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papasito
Joined: 09 Jan 2015
Posts: 1658
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 Posted: Thu Dec 29, 2016 11:15 pm Post subject: Summicron R 90/2 Scheme |
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papasito wrote:
I don't know why, but I can't find the Cron R 90/2 optical scheme.
Does anybody know it?
Share please.
Last edited by papasito on Wed Jan 18, 2017 10:20 pm; edited 1 time in total |
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anktonio
Joined: 20 Oct 2012
Posts: 219
Location: Spain
Expire: 2017-02-22
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| Posted: Fri Dec 30, 2016 8:50 am Post subject: |
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anktonio wrote:
http://allphotolenses.com/lenses/item/c_373.html
Happy shots! |
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calvin83
Joined: 12 Apr 2009
Posts: 7554
Location: Hong Kong
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| Posted: Fri Dec 30, 2016 1:02 pm Post subject: |
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calvin83 wrote:
Click here to see on Ebay
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Lightshow
Joined: 04 Nov 2011
Posts: 3669
Location: Calgary
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| Posted: Fri Dec 30, 2016 6:09 pm Post subject: |
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Lightshow wrote:
He was looking for the schematic of the optics, not one for sale.
Are you just curious?
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http://www.flickr.com/photos/lightshow-photography/ |
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calvin83
Joined: 12 Apr 2009
Posts: 7554
Location: Hong Kong
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| Posted: Sat Dec 31, 2016 1:06 pm Post subject: |
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calvin83 wrote:
| Lightshow wrote: |
He was looking for the schematic of the optics, not one for sale.
Are you just curious? |
The schematic is printed on the box in the first photo of the above listing.
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The best lens is the one you have with you. |
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Minolfan
Joined: 30 Dec 2008
Posts: 3437
Location: Netherlands
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| Posted: Sat Dec 31, 2016 3:54 pm Post subject: |
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Minolfan wrote:
Both pictures are different!
What is the real one?
Are the desings of different age?
Now I get curious.  |
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calvin83
Joined: 12 Apr 2009
Posts: 7554
Location: Hong Kong
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| Posted: Sat Dec 31, 2016 4:09 pm Post subject: |
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calvin83 wrote:
| Minolfan wrote: |
Both pictures are different!
What is the real one?
Are the desings of different age?
Now I get curious. |
Summicron-R 90mm F/2.0: 5 elements in 4 groups.
APO-Summicron-R ASPH 90mm F/2.0: 5 elements in 5 groups.
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Minolfan
Joined: 30 Dec 2008
Posts: 3437
Location: Netherlands
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| Posted: Sat Dec 31, 2016 5:41 pm Post subject: |
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Minolfan wrote:
Thanks Calvin! |
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Lightshow
Joined: 04 Nov 2011
Posts: 3669
Location: Calgary
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stevemark
Joined: 29 Apr 2011
Posts: 3754
Location: Switzerland
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| Posted: Mon Jan 02, 2017 11:55 am Post subject: |
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stevemark wrote:
| calvin83 wrote: |
| Minolfan wrote: |
Both pictures are different!
What is the real one?
Are the desings of different age?
Now I get curious. |
Summicron-R 90mm F/2.0: 5 elements in 4 groups.
APO-Summicron-R ASPH 90mm F/2.0: 5 elements in 5 groups. |
There are at least two different computations also for the non-APO Summicron-R 2/90mm.
Stephan
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