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p.1 #9 · p.1 #9 · Switching from Pentax to Nikon (D500) Need help with Super Zoom Choice | |
I am another old Pentaxian since 1981 and film, went through the various Pentax DSLR's, *ist D, K0D, K20D, then K7 but switched to a Nikon D700 in May 2010 and it was the best thing I ever did. Not to say that I didn't like my Pentax gear, I did, they had some fantastic lenses and I owned most of them! FA31, FA43 and FA77 Limited's, A*200 f2.8, FA*28-70 f2.8, FA*80-200 f2.8, DA* 300 f4, FA*300 f4.5, DA15 Limited, DA14 f2.8 DA*55 f1.4, just to name a few. However, like you, Pentax just didn't seem to be going anywhere fast and I wanted a pro-spec system - had a few issues with the K7 and the SR.
As for your dilemma. The Sigma 150-600 both C and S are excellent, the S is supposed to be a tad sharper than the C according to the reviewers that have used both, like Brad Hill. The S is supposed to have a very slight edge over the 200-500 @ 500 but at a weight and price penalty. BIF it also had a very slight edge, according to Brad HIll. See Brad Hill's blog:
http://www.naturalart.ca/voice/blog.html#200-500FIRST
Scroll down the page to see the necessary entries.
I have the 200-500 and think it is a fantastic lens for the price, it is well made sharp and the AF speed is adequate. However, I also have the 300 f2.8 VRII and the 400 f2.8E FL VR and you have to understand what level or IQ and performance I am coming from! I purchased the 200-500 as my travel long lens option rather than take either of the two primes. I won't try to sway you to either the Nikon or the Sigma as they are both great lenses for the money, it really comes down to whether you want a lighter cheaper lens in the 200-500 or a heavier dearer lens with the Sigma. I obviously opted for the former due to travel considerations. I could post some images, but no-one posts their rubbish, just their great shots and they are usually excellent, which is completely understandable, I do it myself.
As for whether to go for the D500 or a D750 or D610, I would go with the D500 as you will be mainly shooting wildlife and the extra "reach" will be beneficial. I shoot the D810 but I have also just pre-ordered a D500 for my birding purposes.
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