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11-30-2009, 02:13 PM   #1
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Need help choosing a prime to go with the K-x 18-55 kit

* Apologies if you've already seen this at dpreview. I thought I'd get your opinions as well.

I just bought a K-x with 18-55. I'd like to get a fast prime to complement the kit. I am mostly interested in taking pictures of my family and my dog at this point - both indoor and outdoor.
I'm choosing between:

1) FA50/1.4 - good in low light; good focal length for indoor portraits; not ideal for outdoor portraits; some say AF is slow/inaccurate; funky focal length

2) FA35/2 - sharp wide open, excellent lens; great all-around focal length; good for indoor use; doesn't help me for outdoor portraits

3) DA70/2.4 - excellent performance; great focal length for head & shoulders portraits; better for outdoor portraits

The 50/1.4 seems the best compromise, but then I'd have nothing longer than 83mm EFL (kit lens). The 70/2.4 seems best in terms of a range of focal lengths, but then I'd have nothing faster than f/3.5 for indoor use (70/2.4 being too long for indoor). The 35/2 is great for indoor but same problem as 50/1.4 - I'd have nothing longer than 83mm.
What do you think? I'm open to other suggestions I'm not considering, but it has to be a prime with auto-focus.

11-30-2009, 03:19 PM   #2
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based on your choices, 50/1.4 seems right, it is plenty fast.

As per not having anything longer than 83, you can always get another lens later. With prime lens, you will always have to make that choice and select a particular focal length.


cheers
11-30-2009, 04:42 PM   #3
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I'd always start with the FA 50. It may be bummed by some claiming it's not as good as the DA* 55 or whatever, but it is by far the best band for your buck.

If even pros carry this lens with them, it should be fine for what you want. AF is neither slow nor inaccurate, and it does just fine outdoors - using this lens the working space of course is limited by the subject you want to capture.
11-30-2009, 05:23 PM   #4
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either a DA70 or 100mm will do ! 100mm if you need the distance. the 70mm perfect compliment between close and far. in your position, the 70mm is the more ideal due to your needs.

11-30-2009, 05:50 PM   #5
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fa 50mm, that baby hardly ever comes off my camera!
11-30-2009, 05:59 PM   #6
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If it were me I'd get an F 50mm f1.7. It will do almost anything the f1.4 will do and costs less. But that's just me - I don't have as much money as I would like.
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11-30-2009, 06:33 PM   #7
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The 35/2 is liely th emost flexible focal length but it's now WAY over priced.
11-30-2009, 06:42 PM   #8
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I can get a Samsung 35/2 on eBay for $380 with Bing cashback. Still overpriced, but maybe worth it? A lot of folks say it's nearly as good as the FA31, and $380 is still less than half of what that costs.

11-30-2009, 07:11 PM   #9
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QuoteOriginally posted by switters Quote
I can get a Samsung 35/2 on eBay for $380 with Bing cashback. Still overpriced, but maybe worth it? A lot of folks say it's nearly as good as the FA31, and $380 is still less than half of what that costs.

YES it is not overpriced and it is worth it ! when it comes to sharpness. as far as bokeh rendering is considered, it is different. the K28/3.5 and K30/2.8 seems to display the same bokeh and sharpness but a stop and 1 1/2 stop slower. if you don't mind the using manual focus and 1 stop less, the K's would be advisable, otherwise go for the FA35.
12-01-2009, 05:03 PM   #10
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I would go with the DA35 macro. That lens is sweet!
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