Originally posted by monochrome My take:
SR will be effective for FL under 135mm (or some number) but at longer FL has some noticeable negative effect (vignetting or whatever).
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Where does this come from?
You know that a 1988 Minolta AF 600mm f/4 APO G HS works perfectly with the sensor stabilisation of a Sony Alpha 900 or Alpha 99, don't you?
So why should Ricoh do worse than Sony?
---------- Post added 02-03-2015 at 10:35 PM ----------
Originally posted by LFLee you again!
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anyway, there is a new DFA lens announced couple years ago, the DFA 100mm WR macro, so a new DFA lens announcement is not a confirmation that FF is coming.
smc Pentax-D FA 100mm f/2.8 Macro WR was announced on December 9th, 2009, more than 5 years ago, not a couple years ago.
Besides, it's a mere WR revamping of smc Pentax-D FA 100mm f/2.8 Macro, which was announced on August 8th, 2004, more than 10 years ago, the design of which occurred when Pentax was working on a digital 24x36.