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01-24-2010, 05:37 PM   #16
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thanks wallyb

01-24-2010, 05:46 PM   #17
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The Pentax fast fifties have so many factors involved, that it becomes a very interesting process choosing one or more of them. Build quality, edge seems to go to the M and F versions. Sharpness, edge seems to go to the 1.7 versions. Bokeh, the edge seems to go to the 1.4 versions. Up until the recent price increases, the FA 50mm/1.4 was steadily $199 USD, so it was pretty much a no-brainer. Now, it is much more expensive and seems to be getting a bit scarcer, so the 50/1.4 has to be thought about more than in the past before buying one.

And to be honest, it seems that the 1.7 versions are gaining the bigger cult status. The going rate for F and FA 50mm/1.7 lenses seem to be pretty consistently around $200 now, and they won't be going down at this point in my opinion. They're gaining more attention now, and are not getting any more plentiful out there for sale. But even at $200, either the F or FA 1.7 is a good buy in my opinion. And some people seem to be in love with their M series 50mm/1.7, and of course the A series offers the same (or similar) great optics, with lesser build quality but with the better compatibility with the Pentax DSLRs.

So in sum, I don't see the prices on the Pentax 50mm/1.7 lenses coming down anytime soon, so if you are in the market, and find a price that works for you, snap the lens up. They are stellar lenses.
01-24-2010, 06:44 PM   #18
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before, the F/FA50/1.7 costs at around $130-$150. that was when there were quite a few for sale in the marketplace and on eBay. nowadays, the scarcity of those lenses seemed to increased the price substantially.
01-24-2010, 06:45 PM   #19
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I have definitely settled on the FA 50/1.7

Just have to save the funds for one now.

Might sell my Sigma 18-50mm f2.8 Macro to fund the purchase of an FA 50.

01-25-2010, 12:14 AM   #20
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It is practical to fool the camera into thinking all lenses are A types. Then the p-ttl flash will function properly.
Here's what I did:
01-25-2010, 07:54 AM   #21
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QuoteOriginally posted by CrazyNuts Quote

I am trying to get my hands on a SMC-A 50mm f/1.7 but I hear it's not as good optically as the M counterpart.
M/A/F/FA 50/1.7 are all identical optical sollutions, so there is no difference in that sence.
You know of course the use of the A contact. The only drawback of the A compared to the M version is that the apperture ring contains a somewhat fragile plastic part inside it that can break. There is a good page on the web that describes how to repair it yourself. I had my A50/1.7 since 1984 without any problems.
01-25-2010, 09:22 AM   #22
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QuoteOriginally posted by Douglas_of_Sweden Quote
M/A/F/FA 50/1.7 are all identical optical sollutions, so there is no difference in that sence.
You know of course the use of the A contact. The only drawback of the A compared to the M version is that the apperture ring contains a somewhat fragile plastic part inside it that can break. There is a good page on the web that describes how to repair it yourself. I had my A50/1.7 since 1984 without any problems.
I wrote up an article for this repair last night:

https://www.pentaxforums.com/forums/pentax-lens-articles/88051-pentax-50mm-f1...ng-repair.html
01-25-2010, 09:59 AM   #23
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QuoteOriginally posted by Adam Quote
From my experience, the FA 50mm F1.7 is the best 50mm optically- better than the F1.4 counterpart, in fact. It's embarrassing, but I own all of the 50mm's on the page above except the K 50/1.2 and the D-FA 50/2.8 macro, so let's say I've done some testing
The K 50/1.2 is the fastest 50mm and the DFA 50 is the sharpest (with the flattest focal plane).

Adam, I think you need two more lenses.

01-25-2010, 03:24 PM   #24
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Thanks guys...that saves me a bit of money as I prefer to focus manually anyway.

LOL...I feel like a female in a shoe shop. Not sure which to buy
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