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Opticallimits > Forums > Nikon > Quick evaluate - how accurate are nikon's specs?

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Quick evaluate - how accurate are nikon's specs?
Scythels
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#7
02-20-2015, 03:30 AM
Tested the canon 35 F2 IS USM today.  EFL is 34.412mm, MTF is lower than expected but there was tilt in the test setup.  MTF is at least as good as 90% @ 10lp/mm and 50% @ 30lp/mm in the center at full aperture.

 

http://i.imgur.com/BK2uvbd.jpg

 

http://i.imgur.com/unzdZFK.jpg

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Messages In This Thread
Quick evaluate - how accurate are nikon's specs? - by Scythels - 02-19-2015, 12:08 AM
Quick evaluate - how accurate are nikon's specs? - by Scythels - 02-19-2015, 02:40 PM
Quick evaluate - how accurate are nikon's specs? - by Scythels - 02-20-2015, 03:30 AM
Quick evaluate - how accurate are nikon's specs? - by Scythels - 02-20-2015, 07:13 PM
Quick evaluate - how accurate are nikon's specs? - by Scythels - 02-20-2015, 10:04 PM

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