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Forum: Pentax K-70 07-05-2016, 05:16 AM  
Initial thoughts about the Pentax K-70
Posted By normhead
Replies: 63
Views: 11,040
The thing with the DA*60-250 is it's SDM AF, ƒ4 are too slow for action or sports, and for small birds etc that are 15 feet away from you, it's really only about 135mm, because of it's internal focus. It's not 250mm until close to infinity. That being said, it's great all purpose lens and a very capable landscape lens. When I use it for birding I use the F-1.7 AF adapter on it. It speeds up the AF because it's screw drive, and acts a a focus limiter.

Great for wildlife in the park. You can do a crowd shot at 60mm...


And crank it out to the long end for the wildlife everyone has stopped for... at 250mm.


Better at both ends than a 70-200.
And it has pretty much top notch IQ, all through it's range starting wide open.

Altogether an amazing lens.
But, personally, I still ended up buying a 200 ƒ2.8 as well, for low light situations and more magnification in close focusing situations, and for stacking my TCs on.
Forum: Pentax K-70 07-04-2016, 07:22 AM  
Initial thoughts about the Pentax K-70
Posted By normhead
Replies: 63
Views: 11,040


That's a good looking camera. It reminds me of my SV or K-1000
Forum: Pentax K-70 06-22-2016, 07:06 AM  
Initial thoughts about the Pentax K-70
Posted By normhead
Replies: 63
Views: 11,040
If only it had the GPS.

There are reports that the k-1 is about 2-3 stops better than a K-3 for high SIO noise. It should be one stop. My guess is that the K-1 high noise algorithms are coming to the K-70 first and will be refined again before coming to the K-3 successor. But, my guess is that the k-70 will restore the equivalence balance between Pentax APs-c and Pentax K-1. Right now the K-1 has a 1 to 2 stop equivalence advantage that has people preferring K-1 crop images to K-3 and K-5 images. That should not be true from a theoretical perspective. Whether the K-70 resolves the issue or just closes the gap, remains to be seen. The guesstimate out there is that a K-1 is about a half stop better for noise than a D810. And the D810 was better than the D800 . So while people want to claim this is all the laws of physics, clearly processing software makes a huge difference.

I think I prefer the K-70 type tilting screen to the K-1/ 645z type screen.

This camera has the most affordable implementation of pixel shift. Coupled with the new noise reduction algorithms, there is a chance this camera will kick the K-3ii's butt in terms of finale IQ in low light.

6 frames per second is disappointing, but it looks like this camera is aimed at 24 MP field duties. I will still have my K-3 for wildlife.WIth it's pixel shift and reworked noise reduction

The ability to transfer images to a laptop in the field with wifi is long over due.

With it's pixel shift and noise reduction and rotating screen, this looks like something I could use as the landscape/macro alternative to the K-1. If only it had a GPS instead of the flash.

For me whether or not I buy this camera depends on whether it will give me equivalent images with a K-1 for the same depth of field, which is what physics says should be the case. If it doesn't well, the K-3 ii successor can't be that far away can it?
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