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A* 400mm f2.8
Posted By: docucap, 09-21-2013, 10:16 AM

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Pentax A 400mm F 2 8 Ed If Lens EX 0027075002111 | eBay

Seems like a reasonable price and the lens looks to be in very good shape. The only gamble would be if there is no forthcoming FF to hang it on.
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09-26-2013, 03:19 PM   #16
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QuoteOriginally posted by boriscleto Quote
My question is, why would I want to schlep one of these around instead of an A 400/5.6 if I'm going to be shooting at F/8 anyway?

Your autofocus will perform a lot better on the F/2.8 than the F/5.6.


09-26-2013, 05:30 PM   #17
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QuoteOriginally posted by ElJamoquio Quote
Your autofocus will perform a lot better on the F/2.8 than the F/5.6.
Actually, that's true if you use the AF 1.7x TC.

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