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by Mustafa Umut Sarac Published on 07-20-2014 01:39 PM
I will post a detailed article from lensrentals.com.

If you have a digital lens and if you use it at film camera , result will be bad. Why ?...
by Mustafa Umut Sarac Published on 04-30-2014 09:29 AM
I herebelow attached few photon sieve design - print prepress files to print with a image setter.
And I hereby attached a image taken with first...
by Mustafa Umut Sarac Published on 04-01-2014 06:06 PM
I found that easiest do it yourself camera lucida plan uses only a transparent glass plate or plastic plate , it is covered in pdf files and jpeg ,...
by Mustafa Umut Sarac Published on 11-30-2013 01:16 PM
I spent couple of years slowly reading in military databases, patents and books. I found and posted an article before about Kodak and Leitz lenses...
by Mustafa Umut Sarac Published on 11-05-2013 02:26 PM
Anomalous dispersion (AD) glass is a special type of optical glass that is used to achieve more precise control of chromatic aberrations, thereby...
by Mustafa Umut Sarac Published on 11-05-2013 01:59 PM
I read an army report which covers all the major lens makers and their lens coating technology. Report writes that Leitz Wetzlar was using a low...
by Mustafa Umut Sarac Published on 09-05-2013 09:14 PM
Its a multiple led array light source filtered by White paper. Same height with camera and around 35 degrees to the subject. Text taken from a...
by Mustafa Umut Sarac Published on 08-29-2013 06:49 AM
Zeiss Archive paper , only Goerz paper remained in all Zeiss Archive. Find attached paper.

By the way , It would be very nice to see images and...
by Mustafa Umut Sarac Published on 08-29-2013 06:10 AM
I received British Patent Number: 376044A after discussion with Mark Craig Gerchman, Chief Optical Designer of Cooke Optics Limited.

He says that.....
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