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RMA Electronics
WORLDWIDE DISTRIBUTOR OF INDUSTRIAL VIDEO PRODUCTS
35 Pond Park Road. Unit #12 | Hingham, MA 02043 USA | +1(781)749-9700 | info@rmaelectronics.com
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Lenses
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CCTV Camera Lenses for Machine Vision, FA Industrial, and Video Security

RMA Electronics, Inc. sells AZURE Photonics, Computar (CBC America), Fujinon, Goyo Optical, Kowa, Navitar, Ricoh (formerly Pentax), Schneider Optics, Senko, and Tamron (both CCTV and Photographic), as well as a few other CCTV lens manufacturers.  Midwest Optical Systems is our exclusive industrial filter supplier.
 
Product highlights include a 10 megapixel rated series of C-Mount lenses, megapixiel (HD) vari-focal lenses with IR correction (for day/night cameras), P-Iris (motorized iris) lenses, large format F-Mount lenses for linescan and multi-megapixel cameras, and megapixel (HD) motorized zoom lenses with auto-focus feature.
 

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AZURE Photonics Co., Ltd. is a designer and manufacturer of lenses for CCTV and machine vision.  Products include 1" format 5 megapixel rated C-Mount and economically priced large format F-Mount lenses for megapixel cameras.

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Computar (CBC America, Inc.) offers a wide variety of fixed focal and vari-focal, as well as manual/motorized zoom lenses.  Newer products include 2/3" format 5 megapixel rated C-Mount fixed focal lenses - in both manual iris and DC auto-iris (targeted for ITS market).

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Fujinon offers high quality machine vision lenses, economically priced megapixel (HD) vari-focals lenses for day/night cameras, as well as "broadcast quality" motorized zoom lenses - including a 2000mm (60x) telephoto, 2 megapixel rated series.

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Goyo Optical offers machine vision and CCTV lenses (including former Rainbow models) which include megapixel, day/night (IR corrected), 1” format, fixed focal auto-iris, and vari-focal lens models, as well as specialty fast aperture F0.95. 

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Kowa offers wide variety of fixed focal, vari-focal, and motorized zoom lenses (some megapixel rated) - ideal for surveillance.  Product highlights include a 10 megapixel rated C-Mount series, larger format F-Mount, SWIR type, and P-Iris (motorized iris).

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Navitar offers the Zoom 6000 (6.5X) Series, a modular zoom lens system that may be configured to fit nearly any application - particularly when high magnification is needed at close working distances.  Also offered is a full line of machine vision lenses.

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Ricoh offers fixed focal lenses ideal for machine vision, medical, and industrial automation, including 1" format.  Motorized zoom models with PAIR feature for see-thru-fog and heat haze reduction are offered.  Formerly sold as "Cosmicar" brand.

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Schneider Optics offers very high quality lenses ideal for machine vision and high end research applications.   A complete series of visible thru near IR corrected (400-1000nm) lenses are offered, as well as very large format for linescan cameras.

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Senko ADL offers high-quality, economically priced vari-focal lenses (including megapixel and IR type) for video security.  Also offered is a full line of megapixel machine vision/FA industrial lenses, as well as motorized zoom lenses. 

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Tamron offers megapixel rated vari-focal and fixed focal C/CS-Mount lenses from their CCTV division, as well as larger format manual zoom lenses with F-Mount and Canon mount from their Photographic division - suitable for industrial cameras.

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Theia Technologies offers ultra wide angle megapixel rated lenses with minimal distortion using their patented Linear Optical Technology® which corrects barrel distortion.

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VS Technology offers a wide range of machine vision products from lenses, prisms and lightning. Including Macro, Telecentric, Line sensor, Zoom and CCTV lenses.

Filters

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Midwest Optical Systems, Inc. offers lens filters for machine vision to cover nearly every type of lighting and subject. These are available in a variety of sizes and types such as shortpass, longpass, bandpass, polarizing, neutral density, IR and UV types

 

RMA Electronics Capabilities with Machine Vision and CCTV Lenses                                                                               
Click on the manufacturer above to view the product line or call +1 781 749-9700 today to speak with a salesperson who will find the best lens for your application.

Calculating Lens Focal Length

1) f = v x (D/V) or 2) f = h x (D/H)

 

f : focal length of lens

V : Vertical field of view

H : Horizontal field of view

D : Distance from Lens to Object

v : vertical multiplier (see table below)

h : horizontal multiplier (see table below)

 

 

Camera Format

 

 1 Inch  2/3 Inch  1/2 Inch  1/3 Inch  1/4 Inch

 

v

 

9.6

        6.6

4.8  3.6 2.7 

 

h

 

               12.8 

8.8 6.4  4.8 3.6 

 

Camera Format

 

1.2 Inch (Square) 1/1.8 Inch 1/2.5 Inch

 
CMOSIS

CMV2000

CMOSIS
CMV4000

 

v

 

15.2  5.3
4.29   5.98  11.26

 

h

 

15.2 7.2 5.76   11.26  11.26

 

Camera Format

 

4/3" Format
43.3mm
1/2.8" 1080p HD
Sony IMX136 

 
1/1.2"

Sony IMX174

 

 v

 

13.60 25.70
3.09  7.13   

 

h

 

18.13 37.25  5.44 11.34   
 

For Example:

To calculate focal length using:

1/2 inch camera v = 4.8
Vertical field of view V = 340 mm 
Distance from lens to object D = 2500 mm

substitute these data to formula #1 above:

f = 4.8 x (2500/340) = approx. 35 mm 

Therefore, specify a 35mm lens to achieve a 340mm vertical f.o.v. from 2500mm object distance with a 1/2" format camera.

Note: f.o.v. (V or H) and object distance (D) can be in any units of measure, provided they are both the same.    

 

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