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12-15-2012, 01:43 PM   #16
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QuoteOriginally posted by Ferdinand Quote
Very well explained by interested observer!
Btw, a further advantage of wider lenses is that you can get much more Dof.
I like the Tamron 17-50 for landscape because it is optically very strong (sharp corner to corner with good contrast) and one can play with a range of focal length without carrying 3-4 primes.
That "advantage" can also been seen as a disadvantage. It just comes down to how you want to create/present your image.

My most used lens for landscapes is the Zeiss 50mm f2 ZK. Wonderful image qualities... I create multi-row panoramas quite often.

My most recent purchase, a Sigma DP2 Merrill is quickly taking over as my go-to landscape camera. It is 45mm and renders with such clarity and amazing colour that I can't put it down.

Happy shooting!

01-04-2013, 04:40 PM   #17
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QuoteOriginally posted by Adam Quote
...though you're going to want to shoot faster than F5.6 to really take advantage of your K-5 IIs's filterless sensor.
Why is that? Due to the diffraction limit? I thought it starts around f/5.6 for an APS-C sized sensor.
01-04-2013, 04:50 PM   #18
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The 40mm and 70mm pancakes give superb edge to edge sharpness even from wide open. Wide angles of comparable performance are a little thin on the ground. I would opt for a wide angle tokina here. cant think which one exactly now lol Im sure someone will say. But one is outstanding for sure
01-06-2013, 01:14 AM   #19
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the DA15mm f/4 ED ASPH Limited shows improvement in the corners on the K5IIs

As for me I have used several pentax lenses with my K5IIs and the sigma ones often needed the most AF adjustments to get to the point where I was happy. I have yet to go through my complete selection but the FA31mm f/1.8 is superb, the SMCP-K 50mm f/1.2 is also an excellent choice, the Pentax FA77mm f/1.8 Limited also shows excellent resolution at apertures of f/4 - at f/1.8 the IQ at the edges suffer.The Pentax FA*200mm f/4 ED Macro has been well known for its legendary performance - no surprise it does exceedingly well on the K5IIs. The DA15mm f/4 ED ASPH puts in a respectable performance, though it needs to be stopped down to get the most out of it. Also the DA35mm f/2.8 ED Macro Limited is also bound to perform well on the K5IIs - as well as any of the other DA primes - with the exception of the DA14mm f/2.8, though I do not own one I doubt the corners will reach acceptable levels, though I am prepared to be proven wrong.

Pentax K5IIs - SMCP-K 50mm f/1.2 @ f/4 1/250th ISO 1600

I will continue to test the K5IIs with the following lenses, but it is going to take time:

K28mm f/2
FA*85mm f/1.4
FA35mm f/2 ASPH
FA*400mm f/5.6 ED [IF]
FA*250-600mm f/5.6 ED [IF]
FA*600mm f/4 ED [IF]

Last edited by Digitalis; 01-06-2013 at 05:09 AM.
11-30-2014, 07:51 PM   #20
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QuoteOriginally posted by Adam Quote
Any modern prime will work well, though you're going to want to shoot faster than F5.6 to really take advantage of your K-5 IIs's filterless sensor.
Please explain.
11-30-2014, 08:17 PM   #21
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I'm doing fine with the 16-45mm f4. I really don't understand the question. Usually the more money you spend the better the results and the less money you spend the worse your results are going to be, plain and simple. There is no such thing as which lens is better. If you need something specialized such as a macro or Zoom or super wide angle, then try to get the best lens your money can buy in that category, but you can also get great results from a cheaper lens depending on your skills and subject matter just not as often.
11-30-2014, 08:24 PM   #22
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QuoteOriginally posted by kshapero Quote
Please explain.
Just what he said, any modern prime and most legacy will work very well on the K5iis. The best lenses will be faster than 5.6 and you will want the best glass to take advantage of th K5iis. True of any camera.

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