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05-18-2011, 08:32 AM   #1
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To DA 40 or not to DA 40?

Hello Everyone,
I am trying to round out my prime lenses that I use for portrait photography. I have a DA 35 limited F2.8, a DA40 F2.8, a Sigma 50 F1.4, a Helios 58mm44K-4 F2, a DA70 F2.4, and a Tamron 90 F2.8 lenses. Should I keep the DA 40, or sell that and get a FA43 lens?

05-18-2011, 09:22 AM   #2
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I picked up a 43 to compare with my DA40, which was my favorite lens. I haven't really used the 40 since. It is not a huge improvement in IQ, but it is a small one, and the extra stop is nice too.
05-18-2011, 12:27 PM   #3
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I've had the 43 for a long time and it's still my favorite lens. I bought a 40 to compare a while ago. Needless to say I don't have the 40 anymore.
05-18-2011, 03:24 PM   #4
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I would sell the 35 & the 40 and buy the FA31. That would give you a better spread of focal lengths as well as the chance to own what is IMHO the best lens Pentax currently makes.


Last edited by twitch; 05-18-2011 at 05:18 PM.
05-18-2011, 05:13 PM   #5
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QuoteOriginally posted by twitch Quote
I would sell the 35 & the 40 and buy the FA31.
+1 on that recommendation.
05-18-2011, 06:47 PM   #6
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QuoteOriginally posted by selar Quote
+1 on that recommendation.
Not me! I prefer the 43mm over the 31mm. Maybe even the DA40 over the 31... the extra stop+ is somewhat outweighed by the larger size and weight. Plus, while the 31 can make magic, I found it a little temperamental, while the DA40 seemed to be easier to get good shots. Just my 2 cents!
05-18-2011, 08:40 PM   #7
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QuoteOriginally posted by twitch Quote
I would sell the 35 & the 40 and buy the FA31. That would give you a better spread of focal lengths as well as the chance to own what is IMHO the best lens Pentax currently makes.
Not me. The DA 35mm Ltd will be the last limited or even the last APS-C lens I would ever get rid of. Besides, he would have to sell a 3rd lens to get to the 31mm.
05-18-2011, 08:45 PM   #8
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QuoteOriginally posted by Nick Siebers Quote
Not me! I prefer the 43mm over the 31mm. Maybe even the DA40 over the 31... the extra stop+ is somewhat outweighed by the larger size and weight. Plus, while the 31 can make magic, I found it a little temperamental, while the DA40 seemed to be easier to get good shots. Just my 2 cents!
Nick, how does that F 50/1.4 stack up against the DA 40, FA 43 and perhaps the M 50 1.4 & 1.7? I have really been thinking about that F/1.4 in lieu of a 43 for a long time.

05-19-2011, 11:37 AM   #9
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Yeah, I would appreciate comments on the 50mm f/1.4 too. How useful do you feel it given you already have da70 and da40?
05-19-2011, 02:39 PM   #10
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QuoteOriginally posted by jusfun21 Quote
Hello Everyone, I am trying to round out my prime lenses that I use for portrait photography. I have a DA 35 limited F2.8, a DA40 F2.8, a Sigma 50 F1.4, a Helios 58mm44K-4 F2, a DA70 F2.4, and a Tamron 90 F2.8 lenses. Should I keep the DA 40, or sell that and get a FA43 lens?
If you use the 40 for portraits, and want more speed, the 43 is a reasonable substitution... however, I would sell the 40 and the 50, so you have a 35mm - 43 mm - 58 mm spread. You simply have too many lenses in the short end IMHO.

Primes are a pretty expensive way of covering everything you do. Might be better to use a good zoom to cover your favorite ranges, and use primes to exploit your favorite specific lengths.

If you don't use the macro function, you could also sell the 35 for a slightly wider lens, such as the 31, a 28mm, or even the 21mm. The 35mm is a killer lens though.
05-19-2011, 02:42 PM   #11
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QuoteOriginally posted by huh Quote
Yeah, I would appreciate comments on the 50mm f/1.4 too. How useful do you feel it given you already have da70 and da40?
I've owned all of these, and stuck with the 50 (though I do also have access to the 77). It's a great portrait lens... though for something specific to portraits, I would use the 70.

The 50 is the best deal in the pentax line up IMHO, especially at the going used price of about 250 - 300.
05-19-2011, 05:49 PM   #12
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QuoteOriginally posted by jusfun21 Quote
I have a DA 35 limited F2.8, a DA40 F2.8, a Sigma 50 F1.4, a Helios 58mm44K-4 F2, a DA70 F2.4, and a Tamron 90 F2.8 lenses.
I feel like I'm in a similar boat. My lenses are similar in FL and make.

I think for me it's a 43mm vs. a 40mm Ultron vs. a 31mm decision. The 31's a dream but very dear. The 40 and 43 seem very comparable. The 43 has AF, which is nice, but not quick-shift which I use a lot with my 35 Ltd (not having a K-5). I'm leaning 43 lately but, man, I have to admit that I love Voigtlander glass...

Sorry, no answers for you, just commiseration.
05-19-2011, 07:14 PM   #13
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QuoteOriginally posted by paperbag846 Quote
I've owned all of these, and stuck with the 50 (though I do also have access to the 77). It's a great portrait lens... though for something specific to portraits, I would use the 70.

The 50 is the best deal in the pentax line up IMHO, especially at the going used price of about 250 - 300.
We were specifically referring to the F 50/1.4 and not the FA. Nick has it in addition to the FA 43 ltd and DA 40 ltd.
05-19-2011, 09:22 PM   #14
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Well, I like the F 50/1.4, although obviously not too much as it is up for sale in the marketplace. :-) I haven't done rigorous testing but it seems about as sharp wide open as my M 50/1.7, which was definitely sharper than my A 50/1.4. It is small, focuses well and quickly, gives an overall very pleasing image. Colors and contrast are great, warmer than the F50/1.7. It doesn't quite have the twinkle of the FA43, for lack of a better word. I also have the A 50/1.2, which is softer wide open but stopped down looks very similar. I go back and forth about which to keep to pair with the 43, for "even lower light" shooting.
05-20-2011, 12:39 AM   #15
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QuoteOriginally posted by Blue Quote
F 50/1.4 and not the FA
Are they different other than build quality? Sorry for misreading...
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