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Forum: Pentax DSLR Discussion 09-26-2017, 03:27 PM  
Body and lens upgrade suggestions
Posted By TheOneAndOnlyJH
Replies: 22
Views: 1,355
I often push my K-3 to ISO 6400 or 12800 in order to keep my shutter speed down since I prefer noise/grain over a blurry image. I've found that high ISO on the K-3 is actually pretty decent. Sure, it could be better, but once upon a time I was happy with a 7MP pocket camera...:lol: This is worlds better, and you can do amazing things if you shoot raw and post process a little bit. Some people think the noise performance was a step down from the K-5 sensor, but it should be an improvement over any of the earlier models, and a big step up from your K-r. (The increased resolution really helps noise correction in post processing.)

If you like having built in flash, I'd suggest looking at used K-3's on eBay or the PentaxForums Marketplace. Both my K-3's I bought used and you can find a good one for $400-500 if you're patient.

For lenses, there are plenty that are a step up from your kit lenses. The Pentax 55-300's are very well liked, but if you're finding that the aperture range on the 50-200 limits you in low light you'll have the same issue with the 55-300. Depending on your budget, you could look at the Pentax 50-135 f/2.8 or Sigma 50-150 f/2.8 which will allow faster shutter speeds or lower ISO than the 55-300's (but with less zoom range). For a bit more you could look at Tamron or Sigma 70-200 f/2.8 but those are full frame lenses, so they're quite large and expensive.

If you're looking for better low light or image quality than your 18-55 kit lens can do, I'd very much recommend the Tamron 17-50 f/2.8. I love mine and it's my most used lens, only coming off my camera when I need more zoom range, weather resistance, or a prime lens in very low light. For a more general purpose lens, the DA 18-135 and DA 16-85 are great all around lenses with weather resistance. The 16-85 has better image quality, but is slightly larger and more expensive. The 18-135 is somewhat soft on the corners, but has a great range and should do better than your 18-55 kit lens.

Take a look at the Pentax Forums Lens Reviews section and you can read a lot about all the lenses available.
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