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Got a 800mm f/8 mirror for testing ...
#18
[quote name='mst' timestamp='1295362324' post='5625']

On full frame, the test distance would be 32 meters (40 x focal length). Even more on APS-C, of course. So, not really "close focus" (what's the MFD of this lens?).



-- Markus

[/quote]

3.5 meters

http://www.syopt.co.kr/eng/product/manua...mirror.asp
  


Messages In This Thread
Got a 800mm f/8 mirror for testing ... - by Klaus - 01-15-2011, 07:12 PM
Got a 800mm f/8 mirror for testing ... - by genotypewriter - 01-15-2011, 07:33 PM
Got a 800mm f/8 mirror for testing ... - by Klaus - 01-15-2011, 08:05 PM
Got a 800mm f/8 mirror for testing ... - by Klaus - 01-15-2011, 08:07 PM
Got a 800mm f/8 mirror for testing ... - by Klaus - 01-15-2011, 09:37 PM
Got a 800mm f/8 mirror for testing ... - by arvydas - 01-16-2011, 07:51 AM
Got a 800mm f/8 mirror for testing ... - by mst - 01-18-2011, 08:07 AM
Got a 800mm f/8 mirror for testing ... - by Klaus - 01-18-2011, 08:29 AM
Got a 800mm f/8 mirror for testing ... - by mst - 01-18-2011, 08:36 AM
Got a 800mm f/8 mirror for testing ... - by genotypewriter - 01-18-2011, 08:40 AM
Got a 800mm f/8 mirror for testing ... - by anyscreenamewilldo - 01-18-2011, 12:30 PM
Got a 800mm f/8 mirror for testing ... - by Yakim - 01-18-2011, 02:26 PM
Got a 800mm f/8 mirror for testing ... - by Guest - 01-18-2011, 02:36 PM
Got a 800mm f/8 mirror for testing ... - by mst - 01-18-2011, 02:52 PM
Got a 800mm f/8 mirror for testing ... - by Brightcolours - 01-18-2011, 02:58 PM
Got a 800mm f/8 mirror for testing ... - by Klaus - 01-18-2011, 03:18 PM
Got a 800mm f/8 mirror for testing ... - by genotypewriter - 01-18-2011, 04:56 PM

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