le immediate reliable innovative remarkable immediate responsive infra-red

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2 TABLE OF CONTENTS: 3-4 irzoom, Your Optical Solutions Partner 5-6 irzoom, Product Naming Explanation 7-34 Products Glossary 37 R&D And Marketing Offices 38 Worldwide Representatives

3 irzoom, Your Optical Solutions Partner When it comes to infrared zoom capabilities for situational awareness in military, surveillance, aerial reconnaissance; vision through smoke or inclement weather for search/rescue applications; thermographic home inspection or other commercial or manufacturing applications, irzoom has the infrared zoom lens expertise, products and experience your application demands, regardless of imaging technology. Background irzoom is the infrared zoom lens division of Computer Optics Inc. (COI), a world leader in optical technology since We gathered our unique team professional, dynamic and dedicated as well as top-end equipment to give comprehensive solutions to any challenge. Our facility features Optical Designers (Zemax Optical design stations) Mechanical Designers (Autocad, Inventor, Solidworks and Solid-Edge stations) Shaping (Generating room) Polishing and Diamond Turning Thin Film Laboratory Assembly Test Laboratory Quality Control Professional Staff Our professional staff offers support before, during and after the sale. We can assist you with our extensive lens library of pre-engineered solutions in order to reduce time to market for virtually any situation. irzoom s salesmen are all trained in engineering so can quickly and professionally respond to your needs. At irzoom, you ll find the best selection of irzoom lenses anywhere coupled with flexibility and continuing service. Choose the ultimate solution. Choose to work with us Our technical sales force has decades of experience in the area of opto-mechanics. We can offer many starting points from our infrared zoom lens catalog, and can develop a unique product to fit your project. For customized solutions our designers are co-located with our fabrication team so that real world advice is incorporated into the design saving time and effort. Our pre-engineered lens library has hundreds of generic designs that can be rapidly adapted to offer customized solutions. The specialization of each product allows our customer base to differentiate themselves. In an increasingly competitive space, the ability to offer something that is better, lower price or has a richer feature set gives a significant competitive advantage. irzoom s dedicated team will work with you closely, so you will feel there is always someone to directly address your questions and requirements. We can support you almost 24/7! With representatives around the world and a secondary R&D and support center in Israel communication with us is easy, professional, and allows you to get the answers you need fast. We Work With The Best We have sold infrared zoom lenses, and tailored premium solutions to discerning clients across the world. Our lenses have been used below the earth s surface, in the ocean, on land in extreme conditions, in the air, and even in space. Our satisfied customers include many prime contractors as well as hundreds of smaller companies. We invite you to work with us, and understand why we are being selected again and again to provide solutions to top companies, such as: irzoom delivers the optimal balance between Catalog products and Customized solutions While our R&D department is dedicated to understanding your needs and developing a winning product that best fit your requirements, you can rely on thousands of catalog units that serve daily in various fields, for almost 30 years. Our catalog lenses are the top of the line available today, and fit most detectors in the market. Each lens was developed after extensive market research but we understand that your requirement may be unique. The irzoom R&D team is capable of using a base lens from our catalog, and altering it to fit exactly your most demanding project. Such balance is not only professional but also extremely cost effective, and it cuts lead times. That s the advantage of working with a company who offers both solutions. And more! 4

4 irzoom, Product Naming Explanation: MirZ Designation for the wavelength region SirZ = Short-wave IR (SWIR) region ( microns) MirZ = Mid-wave IR (MWIR) region ( microns) LirZ = Long-wave IR (LWIR) region ( microns) BirZ = Broadband IR region ( microns) LirZ MirZ SirZ BirZ 2 Starting (shortest) focal length of the zoom lens 3 Magnification of the zoom lens In the example above, MirZ 1522 is a mid-wave IR (MWIR) lens starting at 15mm & having a magnification range of 22X (or, from 15mm to 330mm). 6

5 LirZ MirZ Works with 20.5mm diagonal arrays Allows for very rapid switch time between two field of view (under 1 sec) On smaller arrays, the focal length will effectively reach up to 160 mm allowing a tighter field of view Competitive price and recognition of small targets at ranges up to 2km makes this lens ideal for short range IR applications Pre-calibrated focus positions will ensure cooled-like image in both positions under most field conditions SirZ BirZ LirZ 33/99 LWIR 33/99mm (X3) F/1.25 Dual Field Lens LirZ Series, Suitable for 8-12μm Uncooled Detectors (LWIR) mm diagonal arrays The lens controller auto compensates thermal deviations and keeps the imagery crisp within a wide temperature range Athena programmable DSP controller gives you the freedom to set targets and to calibrate the lens for different field conditions Operate and calibrate the lens with our simple and friendly GUI, or through common communication protocols Compatible with the Tau camera by FLIR LirZ 33/99 Specifications: WFOV NFOV 33mm 99mm f/ microns 640 x 512 pixels, 25 micron pixel size Image Diameter 20.5mm 10.8mm > 88% <4% <2% > 40% at 25 lp/mm 5 meters 15 meters Length = 110.2mm, Front OD = 100mm Stepped - Motorized & Synchronized 1 25 C < 5 pixel deviation 790 grams - 30 C to + 65 C - 40 C to + 80 C Electronic and Communications Lens Control AthenaTM Programmable DSP Controller Drive Voltage & Current Consumption 12VDC, 1.5A Peak / 0.4A Average / 0.1A Idle Communication Interface RS422/232 Communication Protocol AthenaTM GUI & Protocol LirZ 33/99 Field Of View Data: FOV (33mm) FOV (99mm) HFOV 320x x x512 HFOV 320x x x microns microns microns microns microns microns

6 LirZ 7 Specifications: LirZ MirZ SirZ BirZ 7mm f/ microns 640 x 480 pixels, 25 micron pixel size LirZ 7 LWIR 7mm f/1.46 fixed focal lens LirZ Series, Suitable for 8-12μm Uncooled Detectors (LWIR) 20mm 19mm > 90% 60 <21% > 25% at 25 lp/mm 1 meters Length = 55.1mm, Front OD = 63.5mm Manual 340 grams - 30 C to + 65 C - 40 C to + 80 C Short range situational awareness Day and night viewing See through smoke and obscurants Stays in focus without adjustment over a large range of temperatures Compatible with many popular LWIR cameras LirZ 7 Field Of View Data: FOV (7mm) HFOV 320x x x microns microns microns

7 LirZ MirZ LirZ 203 LWIR 20-60mm (X3) F/1.25 Continuous Zoom Lens Available for 17μ and 25μ arrays Compact package Competitive price and recognition of small targets at ranges up to 1km makes this lens the ideal Continuous Zoom lens for short range IR applications The lens controller auto compensates thermal deviations and keeps the imagery crisp within a SirZ LirZ Series, Suitable for 8-12μm Uncooled Detectors (LWIR) BirZ wide temperature range Athena programmable DSP controller gives you the freedom to set targets and to calibrate the lens for different field conditions Operate and calibrate the lens with our simple and friendly GUI, or through common communication protocols Compatible with the Tau camera by FLIR LirZ 203 Specifications: Electronic and Communications Lens Control Drive Voltage & Current Consumption Communication Interface Communication Protocol LirZ 203 Field Of View Data: WFOV (20mm) HFOV 320x x x microns microns microns WFOV NFOV 20mm 60mm f/ microns 640 x 480 pixels, 17 micron pixel size 13.6mm 29.0mm > 74% <10% <1% > 40% at 25 lp/mm 10 meters 30 meters Length = 116.1mm, Front OD = 72mm Continuous - Motorized & Synchronized < 6 25 C 795 grams - 30 C to + 65 C - 40 C to + 80 C AthenaTM Programmable DSP Controller 12VDC, 1.5A Peak / 0.3A Average / 0.1A Idle RS422/232 AthenaTM GUI & Protocol NFOV (60mm) HFOV 320x x x microns microns microns

8 LirZ MirZ MirZ 1522 MWIR mm (X22) F/4 Continuous Zoom Lens Fits the space claim of the popularized mm f/4 packages while delivering 10% more in range 330mm in Narrow FOV Recognition of small targets at ranges up to 8km makes this lens ideal for medium range IR applications Motorized Continuous Zoom allows you to zoom while keeping the imagery sharp The lens controller auto compensates thermal SirZ MirZ Series, Suitable for 3-5μm Cooled Detectors (MWIR) BirZ deviations and keeps the imagery crisp within a wide temperature range Athena programmable DSP controller gives you the freedom to set targets and to calibrate the lens for different field conditions Operate and calibrate the lens with our simple and friendly GUI, or through common communication protocols First x22 f/4 lens on the market MirZ 1522 SPECIFICATIONS: WFOV NFOV 15mm 330mm f/ microns 640 x 512 pixels, 15 micron pixel size 12.3mm 24.0mm (+/-3mm) 87% <5.5% <2.7% > 47% at 25 lp/mm 5 meters 50 meters Length = 124mm, Front OD = 96mm Continuous - Motorized & Synchronized < C < 5 pixel deviation 950 grams -30 C to +65 C -40 C to +80 C Electronic and Communications Lens Control AthenaTM Programmable DSP Controller Drive Voltage & Current Consumption 12VDC, 1.5A Peak / 0.3A Average / 0.1A Idle Communication Interface RS422/232 Communication Protocol AthenaTM GUI & Protocol MirZ 1522 FIELD OF VIEW DATA: WFOV (15mm) NFOV (330mm) HFOV 320x x x512 HFOV 320x x x microns microns microns microns microns microns

9 LirZ MirZ MirZ 1529 MWIR mm (X29) F/5.5 Continuous Zoom Lens Unprecedented 29X Continuous Zoom range in an incredibly small package Fits the space claim of the popularized mm f/4 packages while delivering 145% more in range 435mm in Narrow FOV Recognition of small targets at ranges up to 11.5km makes this lens optimal for medium range IR applications Motorized Continuous Zoom allows you to zoom while keeping the imagery sharp SirZ MirZ Series, Suitable for 3-5μm Cooled Detectors (MWIR) BirZ The lens controller auto compensates thermal deviations and keeps the imagery crisp within a wide temperature range Athena programmable DSP controller gives you the freedom to set targets and to calibrate the lens for different field conditions Operate and calibrate the lens with our simple and friendly GUI, or through common communication protocols MirZ 1529 Specifications: Electronic and Communications Lens Control Drive Voltage & Current Consumption Communication Interface Communication Protocol MirZ 1529 Field Of View Data: WFOV (15mm) HFOV 320x x x microns microns microns WFOV NFOV 15mm 435mm f/ microns 640 x 512 pixels, 15 micron pixel size 12.3mm 24.0mm (+/-3mm) 19.7mm 80 % <4% <2% > 25% at 25 lp/mm 5 meters 300 meters Length = 128mm, Front OD = 96mm Continuous - Motorized & Synchronized < 5 25 C < 5 pixel deviation 900 grams - 30 C to + 65 C - 40 C to + 80 C AthenaTM Programmable DSP Controller 12VDC, 1.5A Peak / 0.3A Average / 0.1A Idle RS422/232 AthenaTM GUI & Protocol NFOV (435mm) HFOV 320x x x microns microns microns

10 MirZ 2014 Specifications: LirZ MirZ SirZ BirZ WFOV 20mm f/5.5 NFOV 275mm microns MirZ 2014 MWIR mm (X14) F/5.5 Continuous Zoom Lens 640 x 512 pixels, 15 micron pixel size 12.3mm 24.0mm (+/-3mm) 19.7mm MirZ Series, Suitable for 3-5μm Cooled Detectors (MWIR) Under production 88 % <1% <2.7% 20% at 25 lp/mm all positions 5 meters 50 meters Length=73 mm, Front OD =63.5 mm Continuous - Motorized & Synchronized < C < 5 pixel deviation 375 grams - 30 C to + 65 C - 40 C to + 80 C Electronic and Communications Lens Control Drive Voltage & Current Consumption Communication Interface AthenaTM Programmable DSP Controller 12VDC, 1.5A Peak / 0.3A Average / 0.1A Idle RS422/232 Extremely compact size and low weight Competitive price and recognition of small targets at ranges up to 6.5km makes this lens the ultimate Continuous Zoom lens for medium-long range IR applications Fits the space claim of the popularized mm f/5.5 package Motorized Continuous Zoom allows you to zoom while keeping the imagery sharp The lens controller auto compensates thermal deviations and keeps the imagery crisp within a wide temperature range Athena programmable DSP controller gives you the freedom to set targets and to calibrate the lens for different field conditions Operate and calibrate the lens with our simple and friendly GUI, or through common communication protocols Communication Protocol MirZ 2014 Field Of View Data: WFOV (20mm) HFOV 320x x x microns microns microns AthenaTM GUI & Protocol NFOV (275mm) HFOV 320x microns 2 20 microns microns 1 480x x

11 LirZ MirZ SirZ BirZ MirZ 2016 MWIR mm (X16) F/5.5 Continuous Zoom Lens MirZ Series, Suitable for 3-5μm Cooled Detectors (MWIR) MirZ 2016 Specifications: Electronic and Communications Lens Control Drive Voltage & Current Consumption Communication Interface Communication Protocol WFOV NFOV 20mm 320mm f/ microns 640 x 512 pixels, 15 micron pixel size 12.3mm 24.0mm (+/-3mm) 19.7mm > 88% <3.7% <3.2% > 28% at 25 lp/mm 5 meters 50 meters Length = 112mm, Front OD = 73.2mm Continuous - Motorized & Synchronized < C < 5 pixel deviation 520 grams -30 C to +65 C -40 C to +80 C AthenaTM Programmable DSP Controller 12VDC, 1.5A Peak / 0.3A Average / 0.1A Idle RS422/232 AthenaTM GUI & Protocol Extremely compact size and recognition of small targets at ranges up to 8km makes this lens optimal for medium range IR applications Motorized Continuous Zoom allows you to zoom while keeping the imagery sharp Ideal solution for space limited environments, payloads and airborne applications The lens controller auto compensates thermal deviations and keeps the imagery crisp within a wide temperature range Athena programmable DSP controller gives you the freedom to set targets and to calibrate the lens for different field conditions Operate and calibrate the lens with our simple and friendly GUI, or through common communication protocols MirZ 2016 Field Of View Data: WFOV (20mm) HFOV 320x x x microns microns microns NFOV (320mm) HFOV 320x microns microns microns x x

12 LirZ MirZ SirZ BirZ MirZ 3022 MWIR mm (X22) F/4 Continuous Zoom Lens MirZ Series, Suitable for 3-5μm Cooled Detectors (MWIR) MirZ 3022 Specifications: Electronic and Communications Lens Control Drive Voltage & Current Consumption Communication Interface Communication Protocol WFOV NFOV 30mm 660mm f/ microns 640 x 512 pixels, 15 micron pixel size 12.3mm 24.0mm (+/-3mm) 19.7mm > 86% <2.5% <0.1% > 41% at 25 lp/mm 20 meters 100 meters Length = 245mm, Front OD = 206mm Continuous - Motorized & Synchronized < C < 5 pixel deviation 2950 grams -30 C to +65 C -40 C to +80 C AthenaTM Programmable DSP Controller 12VDC, 1.5A Peak / 0.3A Average / 0.1A Idle RS422/232 AthenaTM GUI & Protocol Recognition of small targets at ranges up to 14km makes this lens ideal for long range IR applications Narrow Field Of View (<0.83 degrees) allows more pixels on target Motorized Continuous Zoom allows you to zoom while keeping the imagery sharp The lens controller auto compensates thermal deviations and keeps the imagery crisp within a wide temperature range Athena programmable DSP controller gives you the freedom to set targets and to calibrate the lens for different field conditions Operate and calibrate the lens with our simple and friendly GUI, or through common communication protocols MirZ 3022 Field Of View Data: WFOV (30mm) HFOV 320x x x microns microns microns NFOV (660mm) HFOV 320x microns microns microns x x

13 LirZ MirZ MirZ 3029 MWIR mm (X29) F/5.5 Continuous Zoom Lens Unprecedented 29X Continuous Zoom range in a relatively small package Recognition of small targets at ranges up to 20km makes this lens optimal for long range IR applications Narrow Field of View (<0.65 degrees) allows for more pixels on target Motorized Continuous Zoom allows you to zoom while keeping the imagery sharp SirZ MirZ Series, Suitable for 3-5μm Cooled Detectors (MWIR) BirZ The lens controller auto compensates thermal deviations and keeps the imagery crisp within a wide temperature range Athena programmable DSP controller gives you the freedom to set targets and to calibrate the lens for different field conditions Operate and calibrate the lens with our simple and friendly GUI, or through common communication protocols MirZ 3029 Specifications: WFOV NFOV 30mm 870mm f/ microns 640 x 512 pixels, 15 micron pixel size 12.3mm 24.0mm (+/-3mm) 19.7mm 75 % <4% <2% > 22% at 25 lp/mm 10 meters 400 meters Length = 246mm, Front OD = 192mm Continuous - Motorized & Synchronized < 5 25 C < 5 pixel deviation 2100 grams - 30 C to + 65 C - 40 C to + 80 C Electronic and Communications Lens Control AthenaTM Programmable DSP Controller Drive Voltage & Current Consumption 12VDC, 1.5A Peak / 0.3A Average / 0.1A Idle Communication Interface RS422/232 Communication Protocol AthenaTM GUI & Protocol MirZ 3029 Field Of View Data: WFOV (30mm) NFOV (870mm) HFOV 320x x x512 HFOV 320x x x microns microns microns microns microns microns

14 LirZ MirZ SirZ BirZ MirZ 4016 MWIR mm (X16) F/5.5 Continuous Zoom Lens MirZ Series, Suitable for 3-5μm Cooled Detectors (MWIR) MirZ 4016 Specifications: Electronic and Communications Lens Control Drive Voltage & Current Consumption Communication Interface Communication Protocol WFOV NFOV 40mm 640mm f/ microns 640 x 512 pixels, 15 micron pixel size 12.3mm 24.0mm (+/-3mm) 19.7mm 78 % <10% <3.2% > 25% at 25 lp/mm 15 meters 100 meters Length = 175mm, Front OD = 155mm Continuous - Motorized & Synchronized < C < 5 pixel deviation 1650 grams -30 C to +65 C -40 C to +80 C AthenaTM Programmable DSP Controller 12VDC, 1.5A Peak / 0.3A Average / 0.1A Idle RS422/232 AthenaTM GUI & Protocol Relatively compact size and recognition of small targets at ranges up to 14km makes this lens ideal for long range IR applications Motorized Continuous Zoom allows you to zoom while keeping the imagery sharp The lens controller auto compensates thermal deviations and keeps the imagery crisp within a wide temperature range Athena programmable DSP controller gives you the freedom to set targets and to calibrate the lens for different field conditions Operate and calibrate the lens with our simple and friendly GUI, or through common communication protocols MirZ 4016 Field Of View Data: WFOV (40mm) HFOV 320x x x microns microns microns NFOV (640mm) HFOV 320x microns microns microns x x

15 LirZ MirZ SirZ BirZ MirZ 4022 MWIR mm (X22) F/4 Continuous Zoom Lens MirZ Series, Suitable for 3-5μm Cooled Detectors (MWIR) MirZ 4022 Specifications: WFOV NFOV 40mm 825mm f/ microns 640 x 512 pixels, 15 micron pixel size 12.3mm 24.0mm (+/-3mm) 19.7mm > 85% <2.5% <0.1% > 41% at 25 lp/mm 20 meters 100 meters Length = 268mm, Front OD = 229mm Continuous - Motorized & Synchronized < C s: Recognition of small targets at ranges up to 18km makes this lens ideal for long range IR applications Narrow Field Of View (<0.7 degrees) allows more pixels on target Motorized Continuous Zoom allows you to zoom while keeping the imagery sharp The lens controller auto compensates thermal deviations and keeps the imagery crisp within a wide temperature range Athena programmable DSP controller gives you the freedom to set targets and to calibrate the lens for different field conditions Operate and calibrate the lens with our simple and friendly GUI, or through common communication protocols < 5 pixel deviation 4310 grams -30 C to +65 C -40 C to +80 C Electronic and Communications Lens Control AthenaTM Programmable DSP Controller Drive Voltage & Current Consumption 12VDC, 1.5A Peak / 0.3A Average / 0.1A Idle Communication Interface RS422/232 Communication Protocol AthenaTM GUI & Protocol MirZ 4022 Field Of View Data: WFOV (37.5mm) NFOV (825mm) HFOV 320x x x512 HFOV 320x x x microns microns microns microns microns microns

16 LirZ MirZ SirZ BirZ MirZ 4029 MWIR mm (X29) F/5.5 Continuous Zoom Lens MirZ Series, Suitable for 3-5μm Cooled Detectors (MWIR) MirZ 4029 Specifications: WFOV NFOV 40mm 1075mm f/ microns 640 x 512 pixels, 15 micron pixel size 12.3mm 24.0mm (+/-3mm) 19.7mm > 82% <4% <2% > 20% at 25 lp/mm 12 meters 450 meters Length = 256mm, Front OD = 229mm Continuous - Motorized & Synchronized < 5 25 C Unprecedented 29X Continuous Zoom range - up to 1075mm Focal length Recognition of small targets at ranges up to 20km makes this lens excellent for long range IR applications Narrow Field of View (<0.55 degrees) allows for more pixels on target Motorized Continuous Zoom allows you to zoom while keeping the imagery sharp The lens controller auto compensates thermal deviations and keeps the imagery crisp within a wide temperature range Athena programmable DSP controller gives you the freedom to set targets and to calibrate the lens for different field conditions Operate and calibrate the lens with our simple and friendly GUI, or through common communication protocols < 5 pixel deviation 3800 grams - 30 C to + 65 C - 40 C to + 80 C Electronic and Communications Lens Control AthenaTM Programmable DSP Controller Drive Voltage & Current Consumption 12VDC, 1.5A Peak / 0.3A Average / 0.1A Idle Communication Interface RS422/232 Communication Protocol AthenaTM GUI & Protocol MirZ 4029 Field Of View Data: WFOV (40mm) NFOV (1075mm) HFOV 320x x x512 HFOV 320x x x microns microns microns microns microns microns

17 SirZ 25 Specifications: LirZ MirZ SirZ BirZ 25mm f/ microns 640 x 512 pixels, 25 micron pixel size 20.5mm SirZ 25 SWIR 25mm F/1.2 Fixed Focal Lens SirZ Series, Suitable for μm Detectors (SWIR) 16mm > 85% % > 40% at 25 lp/mm 10 meters Length = 110mm, Front OD = 60mm Manual 936 grams C C to + 65 C - 40 C to + 80 C res: SWIR lenses deliver higher performance than standard visible lenses when using SWIR cameras Fits 20.5mm Diagonal The SWIR spectrum is an ideal choice for a variety of applications, including: - Solar cell inspection - Imaging through fog - Glass processing - Security - Biomedical imaging SirZ 25 Field Of View Data: FOV (25mm) FOV 320x x x microns microns

18 SirZ 180 Specifications: LirZ MirZ SirZ BirZ 180mm f/ microns 640 x 512 pixels, 15 micron pixel size 20.5mm SirZ 180 SWIR 180mm F/2.4 Fixed Focal Lens SirZ Series, Suitable for μm Detectors (SWIR) 97mm > 78% % > 70% at 25 lp/mm 10 meters Length = 256mm, Front OD = 159mm Manual 7260 grams M42 Thread - 30 C to + 65 C C to + 80 C SWIR lenses deliver higher performance than standard visible lenses when using SWIR cameras Fits 20.5mm Diagonal The SWIR spectrum is an ideal choice for a variety of applications, including: - Solar cell inspection - Imaging through fog - Glass processing - Security - Biomedical imaging SirZ 180 Field Of View Data: FOV (180mm) FOV 320x x x microns microns

19 LirZ MirZ SirZ BirZ BirZ 23 BROADBAND 23mm F/4 Fixed Focal Lens BirZ Series, Suitable for 1-5μm Multispectral Detectors (Broadband) BirZ 23 Specifications: 23mm f/ microns 640 x 512 pixels, 15 micron pixel size 12.3mm 29 mm +/- 3 mm 19.08mm > 80% % > 40% at 25 lp/mm 5 meters Length = 41.2mm, Front OD = 44.5mm Manual 113 grams - 30 C to + 65 C - 40 C to + 80 C s: Extremely compact size Allows both SWIR and MWIR performance Intended application for use as a visual aid for pilots Fits popular cameras, such as the FLIR Photon HRC, SCD Pelican and more BirZ 23 Field Of View Data: FOV (23mm) HFOV 320x x x microns microns microns

20 Glossary 6) Horizontal / Vertical Field of View (FOV): The maximum angle in object space at which the optical system images. Shorter focal lengths will have wider FOVs, while conversely longer focal lengths will have narrowed FOVs. H # Pixels / H (mm) 7) : The dimensions of the focal plane sensor array. This is usually defined by the number of pixels Depth of Field (16) Filter V # Pixels / V (mm) Camera Sensor (4) Pixel Size (microns) expressed horizontally (H) and vertically (V) as well as the specific size of the pixel. By using the Pythagorean theorem (D2 = H2 + V2), the diagonal of the sensor array can be calculated. The image circle of a lens should exceed this diagonal for full sensor array coverage. 8) Minimum Object Distance (): The closest distance a lens can be to an object and still remain in focus. Object Size / FOV (6) Θ = Field of View (6) Max Length Lens Max Dia. Effective (1) Cold Stop (5) Camera Thread (12) Camera Image / Sensor Size 9) Modular Transfer Function (MTF): A quantitative measurement of the ability of any lens to reproduce levels of detail from the object to the image. The MTF for a lens is usually represented graphically as a function of contrast vs. the image size (expressed as a radius away from the center point) for various line pairs per millimeter. A typical rule of thumb is that the largest frequency on an MTF diagram is ½ the pixel size. For example, for a camera with a 15 micron pixel size, the limiting frequency of the system is 30 lp/mm. (Front) Working Distance (9) F-Number / Iris (2) Lens Thread (12) (Overall) Working Distance (13) 1) : Many cameras used in the MWIR & LWIR have an internal aperture that prohibits stray light from entering the optical system. The diameter and position of this cold stop within the camera are important parameters. 2) Depth of Field (DOF): The axial distance in object space that is reproduced as an image without any perceptible loss of sharpness. Factors critical to a lens DOF is camera pixel size, f/#, and magnification of the system. Chip To Flange Dist. (12) 10) : The mechanical mount that allows the lens to connect to the camera. Typical camera/lens mounts are as follows: C- = 1 Diameter x 32 TPI thread, with a sensor depth of 17.52mm CS- = 1 Diameter x 32 TPI thread, with a sensor depth of 12.52mm F- = Roughly 50mm Diameter, with a bayonet fitting, with a sensor depth of 46.5mm SLR = 42mm Diameter x 1 thread pitch, with a sensor depth of approximately 11mm T2 = 42mm Diameter x 0.75 thread pitch, with a sensor depth of approximately 11mm 11) (Overall) Working Distance: The distance from the object to the image plane. 12) Resolution: The measurement ability of a lens to produce object detail. Usually expressed as line pairs per millimeter (lp/mm), a camera s resolution can be expressed by multiplying the pixel size by 2 & dividing this value into 1000, or Resolution (lp/mm) = 1000 / (2 * Pixel Size of Camera) 3) : This is the deviation, expressed in percentage, of the image quality from the normal, or perfect, image that should be produced. No optical system is perfect, and this is a measure of how accurate a lens ability to reproduce the object in image space. 4) (Effective) (EFL): This is the distance from the 2nd principal plane to the rear focal point (usu ally the sensor array) when the lens is illuminated with rays parallel to the optical axis. For a fixed focus lens, this distance is constant, and is usually designated as the focal distance when used at infinity (or, when looking at far away objects). For example, a 25mm lens will have an EFL of 25mm when imaging an object at infinity. For a zoom lens, there is an upper & lower limit of the focal length range, which translates into a broader (short focal length, wide angle) or narrower (longer focal length, or telephoto) field of view. 5) F-Number (f/#): While imaging at infinity, the f/# of a lens is the ratio of the focal length to the diameter of the entrance pupil of the system (usually the front optical element). A higher f-number system corresponds to a smaller aperture, as by increasing the f/# the light throughput of the lens is reduced. An added feature is that an increase in the f/# increases the depth-of-field for the lens. 13) : This defines the transmission range for the lens. Visible Light: Transmission range from 400 to 700nm SWIR (standard): Transmission range from 900nm to 1750nm ( microns) SWIR (long wave): Transmission range from 1000nm to 3000nm ( microns) SWIR (extended range): Transmission range from 900nm to 2500nm ( microns) MWIR: Transmission range from 3000nm to 5000nm ( microns) LWIR: Transmission range from 8000nm to 12000nm ( microns) BROADBAND Extended beyond a single range, for example 1 5 microns (broadband swir-mwir) 14) : The maximum amount of deviation an image center will traverse as it travels from the minimum to the maximum ranges of the zoom range. This is expressed as a whole number of pixels (on the array sensor). 15) : The amount of time, in seconds, that it takes for the lens to move from the shortest to the longest focal length at room temperature. 38

21 R&D and Sales Offices: Worldwide Representatives: Usa irzoom, division of Computer Optics INC HQ, R&D and manufacturing center 120 Derry Road Hudson, NH Tel: Fax: Israel irzoom Israel (by OptroMech ltd) International R&D and Support center for IRZoom 1 Hasadnah st, Petah-Tikva Tel: Fax: info@optromech.com Web: India Agniroth Photonics Pvt. Ltd. Advanced IR solutions for Defense 283 Vasant Vihar Phase 2 Dehradun UK Tel: Web: Italy Milano Brothers Int. Corp. Uriel Perugia Korea Mr. Chul-Hyun Hwang President JunVision #820 Hansin Plaza, , Shinheung 2-Dong, Sujeong-Gu, Seongnam-City, Gyeonggi-Do, Korea (Zip: ) Tel: Fax: Web: Via Enrico Fermi 79, Roma Phone:

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