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Forums > Back > Got a 800mm f/8 mirror for testing ...
Klaus
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#8
01-15-2011, 09:37 PM
[quote name='couplos' timestamp='1295123197' post='5556']

for shure a defy...

as those lenses are sold at a price of a good tele-converter,

is it worth it or not ?!

I have been tempted, I must admit,



guess it will stress the testing conditons/material !



kr

couplos

[/quote]



Well, it's way beyond normal testing parameter. We can provide reliable tests till 400-500mm maximum. Beyond it's a gamble.
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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 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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