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01-24-2011, 08:01 PM   #46
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Don't know exactly what my fingers were thinking, that was suppose to be a 50 f2 (not 1.2) or maybe I was daydreaming a little as I typed...

01-24-2011, 09:38 PM   #47
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QuoteOriginally posted by Balog Quote
JeffJS: thank you so much, that's all very helpful. I do not, in fact, have a kit lens. Second hand K20. I also have fairly poor eyesight, and trying to see when things are in focus (especially in poor light) is just beyond me. I may get a 1.7, sell the f2 and use that $ to get a split screen.

I've heard of using the screens from old film bodies, and that would certainly be more economical. What film body is best suited for this?
Some do use screens from film cameras but they have to be cut to fit. It's something I've never done. Here is a video that kind of gives an idea.

[YT]http://www.youtube.com/watch?v=LjYw62ne0Fk[/YT]


For ready made options, there are a few available. One is from a seller on ebay named 'Jinfinance'. Another, and probably the most expensive, is the Katzeye. They start at $105 last time I checked and get more expensive with 'options'. Those do turn up in the marketplace from time to time.

Pentax K10D K20D Focusing Screen - KatzEye Optics

There is also focusingsceen.com

Focusing Screen

[YT]http://www.youtube.com/watch?v=QYjc8DvcRDw[/YT]

SOMEtimes, the screen needs to be shimmed to work properly.

https://www.pentaxforums.com/forums/pentax-dslr-discussion/95555-shim-replace...us-screen.html

01-27-2011, 04:12 PM   #48
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OK so i have lost 3 bids on ebay because my highest bid has been a maximum of 50 dollars.(for a smc Pentax A 50mm 1.7 prime lens) Buyers are bidding way more than that! Are you sure I can get one for about 40 on ebay? And why do I see some sellers listing that lens for well over 150 dollars? I guess I just need to be patient for the right one to come along?
01-27-2011, 04:18 PM   #49
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Bidders are bidding way too high. But hey, I just paid $152.00 for a A50/1.4


Last edited by DanWeso; 01-27-2011 at 04:29 PM.
01-27-2011, 04:51 PM   #50
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I have a M 50 1.4 from my ME Super and an A 50 1.4 from Craigslist (Visiting Eric for a little focus ring repair and CLA). I'm thinking of selling both and getting a F/FA 1.4 or F/FA 1.7. I wouldn't miss the 1.4 narrow field of focus if I get a 1.7 but is there anything else between the four lenses that is exceptional over the others?

Tim

PS: Here is a shot from my M 50 1.4 at 1.4
01-27-2011, 07:06 PM   #51
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Here's an f1.4 shot from one of mine.



To contrast that, here's an f1.2 shot from my A50 f1:1.2, a Real Nifty Fiffty (to me)



Here's one from an SMC Takumar 55 f1.8 at f1.8 (rumored to be the same as the SMC 55 f1.8 K lens).



A Sears 55mm f1.4 M42 at f1.4



01-30-2011, 07:26 AM   #52
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What does it mean when an ebayer says APERTURE RING STICKS(DOES LOCK INTO A MODE) Is this normal lens function or does this lens have a problem?
01-30-2011, 08:51 AM   #53
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QuoteOriginally posted by Leana Quote
What does it mean when an ebayer says APERTURE RING STICKS(DOES LOCK INTO A MODE) Is this normal lens function or does this lens have a problem?
It means stay away from it. If the Aperture is sticking, the lens will not stop down properly when you take your photo. The result will be that all of your photos are overexposed. Since you don't know the actual aperture in that case, you will not really be able to compensate for it. So, unless the seller is basically giving it away and you are willing to pay to have it fixed, Move on to the next one.



01-30-2011, 09:38 AM   #54
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Thank you!! Almost put a bid in! Nice pics BTW, love them!
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