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[lens scheme] Ultron vs Xenon
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PostPosted: Thu Jan 21, 2010 12:01 am    Post subject: [lens scheme] Ultron vs Xenon Reply with quote
Hi

Ultron:



Xenon:




as lens scheme what is the difference between having a cemented or not cemented front gauss doublets?

Last edited by Latente on Thu Jan 21, 2010 12:40 am; edited 5 times in total


PostPosted: Thu Jan 21, 2010 12:12 am    Post subject: Re: [lens scheme] Ultron vs Xenon Reply with quote
Latente wrote:
Hi

Ultron:

http://www.taunusreiter.de/Cameras/ultron_mCompur.jpg

Xenon:

http://www.luciolepri.it/lc2/marcocavina/articoli_fotografici/Leitz-Summilux-M_50_1,4/00b.gif


as lens scheme what is the difference between having a cemented or not cemented front gauss doublets?


I made it visible.

May I kindly ask you to give proper credit to the authors if you publish their work without their permision (or di you ask them?). I know that on both sites they reserve the right to copy their work - which you have violated!


PostPosted: Thu Jan 21, 2010 5:33 am    Post subject: Re: [lens scheme] Ultron vs Xenon Reply with quote
kds315* wrote:
May I kindly ask you to give proper credit to the authors if you publish their work without their permision (or di you ask them?). I know that on both sites they reserve the right to copy their work - which you have violated!


Hotlinking is not, legally, a violation of copyright. A proper credit is good manners, but lack of thereof is not illegal if the image is hotlinked from the original site and not re-uploaded to another one.


PostPosted: Thu Jan 21, 2010 8:37 am    Post subject: Re: [lens scheme] Ultron vs Xenon Reply with quote
aoleg wrote:

Hotlinking is not, legally, a violation of copyright. A proper credit is good manners, but lack of thereof is not illegal if the image is hotlinked from the original site and not re-uploaded to another one.


the images are replaced with mspaint drawing
so if we want to talk about optics...



[/img]
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