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08-19-2010, 06:14 AM   #16
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Which of these two are better for my K-7?

Pentax A 50mm f/1.7
Pentax M 50mm f/1.4

08-19-2010, 06:27 AM   #17
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The M series lenses are not necessarily a whole lot more difficult to use, but they only allow use of M mode (all other modes will only shoot wide open); you also have to press the green button to get a meter reading (or make adjustments based on the exposure meter level).

The A series lens on the other hand will function completely in any mode with the exception of course that it is manual focus. The F1.7 is reportedly sharper, and both give similar results beyond F2. I would say unless you are in dire need of F1.4, the A F1.7 would be the way to go.
08-19-2010, 09:50 AM   #18
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Thanks for the info, hopefully I can find one on the cheap.
08-19-2010, 02:16 PM   #19
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Welcome to the forums.
Can`t comment on the 1.4. I am very impressed with my A 1.7.
I highly recommend the grip BTW.

Cheers, Mike.

08-19-2010, 08:02 PM   #20
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Thanks for everyones comments and encouragement!
08-19-2010, 11:48 PM   #21
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QuoteOriginally posted by mikro Quote
Which of these two are better for my K-7?

Pentax A 50mm f/1.7
Pentax M 50mm f/1.4
You really can't go wrong with either one of them. The only real difference in operation, is with the M lens you have to set the aperture using the ring (and there is no feedback into the camera for aperture). If you already have both, keep and use both. If you are trying to decide which to buy, go for the A f1.7 lens for ease of use.

Welcome to the club!

08-20-2010, 01:10 AM   #22
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Excellent choice, OP!

Regarding battery grip, IF you don't foresee to use it very often, you could check out the generic versions, 1/3 of the price of the original. Don't save the money for the battery itself though, better go for the original.

In order to contol LBA, I highly recommend you save the money and target directly the FA limited trio (FA 31mm, 43mm, 77mm) or the DA trio (15mm, 40mm, 70mm).

A more cost conscious option would be the 16-50mm and 50-135mm DA SDM lenses which offer WR, silent operation and zoom flexibility for the cost of the bulkyness and \potential SDM failure (the SDM issue seems less of a threat for new copies now, it appears that Pentax finaly revisited the QC on the parts that used to fail)
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