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06-16-2013, 07:57 PM   #1
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Pentax 28mm or 35mm

Ok, after some more testing of focal lengths with my 18-55 I think I have narrowed it down a bit more. But I would like to know some opinions on three lens focal length choices... all auto focus... the Pentax-F 28mm F2.8 OR the Pentax-FA 35mm F2 OR the Pentax-DA 35mm f2.4??? If you have been reading any of my posts you will know that I am looking to put together a wedding "kit". I am favoring the 35mm f2 because of the speed and price. But these three seem to be all about the $300 range. Please weigh in with any thoughts... if it matters I will be using a K20d and *ist DL for bodies.

06-16-2013, 08:47 PM   #2
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I think you can get the DA35 for arround U$D 130-160.. The F28 is great wide open, I do not own the FA35 but Ive read it is very good wide open also.
If you care for aperture ring and using on future FF or film, FA35 is great. DA35 will give you quicshift but no aperture ring. F28 is amazing lens but a different AoV. Try both on your zoom to see the difference.
06-16-2013, 09:10 PM   #3
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QuoteOriginally posted by carrrlangas Quote
I think you can get the DA35 for arround U$D 130-160.. The F28 is great wide open, I do not own the FA35 but Ive read it is very good wide open also.
If you care for aperture ring and using on future FF or film, FA35 is great. DA35 will give you quicshift but no aperture ring. F28 is amazing lens but a different AoV. Try both on your zoom to see the difference.
The DA35mm f2.4 will NOT have quick shift. The DA35mm f2.8 limited will.
06-16-2013, 09:13 PM   #4
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I've owned the F 28 2.8 and the DA 35 2.4, and I'll give you the same recommendation that I gave in the other recent thread where someone was deciding between 28mm or 35mm. See this post with the attached pictures.

https://www.pentaxforums.com/forums/pentax-slr-lens-discussion/227605-28-35-a.html#post2415138

Optically, they were equally sharp. However, I much preferred the field of view of the F 28, as it was significantly wider. I rated that higher than the extra light the DA 35 2.4 would allow.

I have not tried the FA 35 f2.

06-16-2013, 09:22 PM   #5
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I agree regarding the 28mm FOV. My K28mm f2.0 is my favorite lens for both film and APS-C
06-17-2013, 03:43 AM   #6
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I have to agree to cali92rs but I guess that K28mm f/2 just gives out of this world rendering that's why he likes it. If only it is readily available for all. 28mm for me especially with APS-C, so versatile.
06-17-2013, 05:27 AM   #7
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Before purchasing I tried DA35 / 2.4 and F28 / 2.8 on Kx, F28 / 2.8 proved to be a more versatile due to the width covered by the apsc and sharpness is great and wide open, I bought the F 28/2, 8, I used it on the Kx / r, now the K30 and I am delighted with him, my recommendation
06-19-2013, 07:01 PM   #8
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Those well versed with 50mm on film often seem to prefer 35mm on APS-C, however 28mm on crop is a similar view to 43mm on film, with less compression and a nice perspective that I like myself. The F 28mm has a nice fast focus, good colour, and is relatively light, which makes it easy to carry around as a regular lens on the body. While I am not familiar with the FA 35mm it is supposed to render very well if the perspective is what you are looking for.

06-19-2013, 07:08 PM   #9
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I spent a little time with my 18-55 and taking test images at varying focal lengths. 28mm does seem to fit nicely and 35mm seems to be slightly too tight or not wide enough. Which makes me wonder if I shouldn't consider the Sigma 30mm f1.4. But honestly I am scared away from Sigma because of the countless posts on a variety of forums. The constant is "if you get a good copy"... I just can't spend 300-400 to find out I didn't get a "good" copy! Any others have a comment on the Sigma 30mm?
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