Quoting Darren Addy <[email protected]>:
All 50mm f/4 ones, except the preset Macro Takumar.
Also Pentax-M 100mm macro and earlier Pentax 100mm f/4 macros (M, K,
Takumar).
Most of your other brand 90mm f2.5 macros will also only do 1:2. Some
had a separate 1:1 matched extender that would get you there. The
famous Vivitar Series 1 "Bokina" and the later Tokina made version are
examples of that.
The recent implementations of Tamron's 90mm 2.5 do 1:1 without the adapter.
I snaffled one of the preset macro Takumar's a few years ago. I've
been trying it on my Q recently but it's too long for hand-holding on
that format.
--
Cheers
Brian
++++++++++++++++++++++++++++++++++
Brian Walters
Western Sydney Australia
http://lyons-ryan.org/southernlight/
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