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Vermont Photonics

Vermont Photonics

Vermont Photonics is the exclusive U.S. distributor of high quality optical test equipment and components by German manufacturer Möller-Wedel Optical GmbH.

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Camera Testing Instrument III

The Camera Testing Instrument III-45 operates on a unique autocollimation principle. It is characterised by high precision, particularly wide measuring range and ease of use.

  • Description

Description

The instrument can be used for testing the adaptation of lenses directly on the camera as well as for identical testing of the flange focal length (distance lens – film-plane) of interchangeable lenses. Moreover the equipment is well suited to check the alteration of the image plane when zoom-lenses are used (error in the control curve). Furthermore testing of the adjustment of reflex view finders with ground glass or aerial image is possible.

With the standard autocollimation method for testing the adaptation of lenses the lens is adjusted so that the observer sees the image of a finely graduated test figure of an autocollimation telescope with identical sharpness to the eyepiece reticle of the autocollimator telescope. The colour change process is also used in which instead of the finely graduated test figure a bright cross-wire on a dark background is used. The image of the cross-wire illuminated with white light in the eyepiece image plane of the autocollimation telescope shows colour fringes if the lens is not correctly adjusted.

With the new process it is not the sharpness of the image which is the criterion of adjustment, but the symmetrical position of position of a single line within a double line. This dispenses with the differing and subjective interpretation of the image sharpness.

The display of the image on a monitor and the mode of symmetrical adjustment allow a largely fatigue-free working in mass production.

With the same instrument the basic lens in relation to the film plane can also be adjusted. If in account of practical experience the setting to a finite distance be required, the testing instrument can be supplied with an extension unit. The extension unit can be set by using a master sample.

The Camera Testing Instrument III is equally suitable for setting of lenses in miniature and half-plate cameras in mass production.

With the procedure used, the setting is made at the centre of the image as is also the case with the autocollimation and collimation method. This won't in all cases be an optimum setting over the entire field of view because of off-axis errors (field of curvature, astigmatism, coma). Averaging of the image quality over the field of view will often be favourable of necessary. The deformation of film is additionally to be considered.

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Testimonials:

I want to thank you and your team for doing an incredible job from the start. I, literally, could not have been more pleased both with your professionalism, technical expertise, and patience/support during these various contractual events.
-Lead ASTS Electro-Optical Systems Engineer, Boeing

Vermont Photonics
2019-05-27T15:46:52+00:00
I want to thank you and your team for doing an incredible job from the start. I, literally, could not have been more pleased both with your professionalism, technical expertise, and patience/support during these various contractual events. -Lead ASTS Electro-Optical Systems Engineer, Boeing
https://www.vermontphotonics.com/testimonials/boeing/

Vermont Photonics is the first company that the audit team has ever seen to have a policy for the components considered in uncertainty calculations.
-Noteworthy Practice from Quality Audit Report, Los Alamos National Laboratory

Vermont Photonics
2019-05-27T15:56:15+00:00
Vermont Photonics is the first company that the audit team has ever seen to have a policy for the components considered in uncertainty calculations. -Noteworthy Practice from Quality Audit Report, Los Alamos National Laboratory
https://www.vermontphotonics.com/testimonials/los-alamos-national-laboratory/

Dealing with suppliers such as you certainly makes my job easier. The equipment purchased enabled us to further our relationship with our customer, who is a very well-known and highly respected global automotive OEM.
-Automated lens alignment equipment manufacturer

Vermont Photonics
2019-05-29T00:11:09+00:00
Dealing with suppliers such as you certainly makes my job easier. The equipment purchased enabled us to further our relationship with our customer, who is a very well-known and highly respected global automotive OEM. -Automated lens alignment equipment manufacturer
https://www.vermontphotonics.com/testimonials/automated-lens-alignment-mfr/

Customer focus is really appreciated, and unfortunately too rare. I loved dealing with your company… The collimator worked flawlessly out-of-box, as compared to the previous one from another company that I never could get comfortable with in 18 years!
-Civilian contractor for the US military

Vermont Photonics
2019-06-03T21:13:03+00:00
Customer focus is really appreciated, and unfortunately too rare. I loved dealing with your company… The collimator worked flawlessly out-of-box, as compared to the previous one from another company that I never could get comfortable with in 18 years! -Civilian contractor for the US military
https://www.vermontphotonics.com/testimonials/us-military-contractor/

I returned the demo equipment today, sadly. It is a really quality instrument and worked beyond my expectations. Thanks for being so easy to work with on this. I really appreciate it.
-Roylnn Serati, Boulder Nonlinear Systems

Vermont Photonics
2019-06-03T21:15:15+00:00
I returned the demo equipment today, sadly. It is a really quality instrument and worked beyond my expectations. Thanks for being so easy to work with on this. I really appreciate it. -Roylnn Serati, Boulder Nonlinear Systems
https://www.vermontphotonics.com/testimonials/boulder-nonlinear-systems/

It is a pleasure to deal with suppliers that take ownership and deliver a great product.
-Global eye care device manufacturer

Vermont Photonics
2019-06-03T21:16:01+00:00
It is a pleasure to deal with suppliers that take ownership and deliver a great product. -Global eye care device manufacturer
https://www.vermontphotonics.com/testimonials/eye-care-device-mfr/

The modifications were very nicely done and we are now able to measure to the center of an eight inch plate, which we’ve long wanted to do. The new software and user interface is great. It’s very easy to learn and operate and our work gets done much faster than before.
-Optical Filter Manufacturer

Vermont Photonics
2019-06-03T21:17:58+00:00
The modifications were very nicely done and we are now able to measure to the center of an eight inch plate, which we’ve long wanted to do. The new software and user interface is great. It’s very easy to learn and operate and our work gets done much faster than before. -Optical Filter Manufacturer
https://www.vermontphotonics.com/testimonials/optical-filter-mfg/

I was VERY happy with the communication and general ‘on the ball’ status of your company… Cal service turnaround was something like a week, stupendous by any standard.
-Major Interferometer Manufacturer

Vermont Photonics
2019-06-03T21:59:19+00:00
I was VERY happy with the communication and general ‘on the ball’ status of your company… Cal service turnaround was something like a week, stupendous by any standard. -Major Interferometer Manufacturer
https://www.vermontphotonics.com/testimonials/interferometer-mfr/

Service from you and your office has always been excellent – especially the quick responses to any requests or questions.
-Major US Defense Contractor

Vermont Photonics
2019-06-03T22:00:14+00:00
Service from you and your office has always been excellent – especially the quick responses to any requests or questions. -Major US Defense Contractor
https://www.vermontphotonics.com/testimonials/us-defense-contractor/

My recent experience with Vermont Photonics and Möller-Wedel products has been nothing short of exceptional.
-Designer of firearms and rescue illumination systems

Vermont Photonics
2019-06-03T22:03:46+00:00
My recent experience with Vermont Photonics and Möller-Wedel products has been nothing short of exceptional. -Designer of firearms and rescue illumination systems
https://www.vermontphotonics.com/testimonials/designer-of-systems/
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Vermont Photonics Technologies Corp.

Mailing: PO Box 1398
Brattleboro, VT 05302-1398

Shipping/Physical: 471 US Route 5
Dummerston, VT 05301

Phone: 1-802-275-5210
Fax: (802) 275-5215

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