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04-21-2011, 05:11 AM   #1
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Pentax 35mm F2.4 AL DA L Lens vs Sigma 28mm f1.8 Aspherical

Want to get myself a fast lens that equivalents to ~50mm on my K100D Super, and was looking at these two.
Would be using for general low light shots, plus portraits most likely.
The Pentax is cheaper, at £120 new, but not as fast. The Sigma is £175 used, but a fair bit faster. Don't think it's the "II" design. Might not have such great bokeh, haven't found enough shots to be sure.

Any thoughts between the two?

Thanks!

04-21-2011, 06:56 AM   #2
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DA35/2.4 is just about half the size of the Sigma and has smaller filter thread (if that's important to you). Good compromise might be FA35/2, but it's 2x the price you are looking for: 35mm F2 FA AL by Pentax - Ffordes Photographic
PS: might I ask where can you get DA35/2.4 for £120?
04-21-2011, 07:32 AM   #3
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I had one of the pre II 28 1.8 Sigmas for a while. It had decent sharpness but lacked the contrast of a typical pentax lens. The big killer for me was the lens flare, even with the hood in place you had to watch out for flare on a sunny day. I'd go for the DA-35 over the sigma.
04-21-2011, 08:34 AM   #4
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The DA is cheaper, and great. I've got it. i've Never try the Sigma. So i would say go for the DA

04-21-2011, 09:37 AM   #5
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QuoteQuote:
PS: might I ask where can you get DA35/2.4 for £120?
Microglobe.co.uk. £119. They have a shop in the Oxford Street area. Mixed reviews on line.
04-21-2011, 10:19 AM   #6
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QuoteOriginally posted by JohnX Quote
Microglobe.co.uk. £119. They have a shop in the Oxford Street area. Mixed reviews on line.
Their online reviews are poor & I understand much of the stuff is grey-imported and may not be in stock when they say it is. However, if you can go into the shop & check the stuff out prior to buying, why not? It“s the best price available for the Pentax.

While I wouldn“t get the Sigma 28/1.8, you might consider the Sigma 30/1.4, but it“s three times the price of the Pentax, though much faster & better built. Make sure you get a good copy though.
04-21-2011, 10:42 AM   #7
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I love my 35mm f2.4 and would highly recommend it to anyone. I can't speak for the Sigma one way or the other.
04-21-2011, 10:42 AM   #8
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I don't have experience with the Pentax 35mm 2.4, but I can put my 2 cents in towards the Sigma 28mm 1.8. I purchased the Sigma last year around Christmas and was blown away by the IQ. However, with and without a UV filter on, I had severe flaring issues. I even returned the first copy to Amazon for a replacement and the second copy constantly was flaring in sunlight and indoors when shot at a slight angle. I loved the focal length so much that I jumped on a Sigma 20-40 2.8 zoom. The throw and feel of the Sigma is phenomenal, but I wouldn't spend over $400 on it. Maybe $200 would be a good deal for one if you can find one used, so it'd be in the same price range of the Pentax 35.

04-22-2011, 12:44 AM   #9
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Thanks very much all! Indeed it is Microglobe at that price for the Pentax 35mm. And they should have them in stock since I reserved one over the phone yesterday! Have had problems with waiting for stock there before though.

Sounds like the Pentax is probably right for me if I don't want to spend an extra £150-200
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