pentax 645 macro: FA vs A

Spare Tire · 07-15-2010, 09:27 PM

I've checked the specs. Both are 9 elements 7 groups, same min focus, same field of view. But are they the same optically? The FA goes for couple of hundred more. I've heard somewhere they are not the same and the the FA is better. Does anyone have experience with both both subjectively and (especially) objectively? How do they compare.

Adam · 07-16-2010, 03:08 AM

I had both for a brief period of time, and I wasn't satisfied much with the construction of the FA. Optically, I couldn't see any major difference, so I went ahead and kept the A and sold the FA.

Thread moved to MF.

07-15-2010, 09:27 PM	#1
Spare Tire Senior Member Join Date: Jul 2010 Location: Montréal Posts: 118	pentax 645 macro: FA vs A I've checked the specs. Both are 9 elements 7 groups, same min focus, same field of view. But are they the same optically? The FA goes for couple of hundred more. I've heard somewhere they are not the same and the the FA is better. Does anyone have experience with both both subjectively and (especially) objectively? How do they compare.

07-16-2010, 03:08 AM	#2
Adam Administrator Site Webmaster Join Date: Sep 2006 Location: Arizona Photos: Gallery \| Albums Posts: 51,597	I had both for a brief period of time, and I wasn't satisfied much with the construction of the FA. Optically, I couldn't see any major difference, so I went ahead and kept the A and sold the FA. Thread moved to MF. Adam PentaxForums.com Webmaster (Site Usage Guide \| Site Help \| My Photography) PentaxForums.com server and development costs are user-supported. You can help cover these costs by donating or purchasing one of our Pentax eBooks. Or, buy your photo gear from our affiliates, Adorama, B&H Photo, KEH, or Topaz Labs, and get FREE Marketplace access - click here to see how! Trusted Pentax retailers:

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