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Forums > Back > Lenses with a small front element
Rainer
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#4
01-01-2011, 11:15 PM
[quote name='larsrc' timestamp='1293808601' post='5297']

What lenses exist in EF/FD/M42 mount with a thread diameter down towards 37mm?



I have this 8x tele-extender with 37mm inner thread that I got surprisingly good result with on my old compact ...

[/quote]



A 50-ish lens with such a small filter thread can not be

faster than f/2.8 .... an 8x tele-extender will make that a

400mm f/22 ... not exactly an overly useful combination methinks ...

or am I missing something?



Rainer
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Messages In This Thread
Lenses with a small front element - by Guest - 12-31-2010, 03:16 PM
Lenses with a small front element - by couplos - 01-01-2011, 07:09 AM
Lenses with a small front element - by Guest - 01-01-2011, 09:47 PM
Lenses with a small front element - by Rainer - 01-01-2011, 11:15 PM
Lenses with a small front element - by genotypewriter - 01-02-2011, 07:44 AM
Lenses with a small front element - by joachim - 01-03-2011, 10:56 PM

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