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Forum: Pentax K-3 & K-3 II
09-02-2017, 01:11 PM
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In one of my photography texts books there was an analysis of 11x14 photos taken with and without a tripod. There was noticeable blur from camera shake, right up to 1/1000 of a second. There simply was no safe on tripod setting where you could safely say you didn't need a tripod for the clearest possible picture. I would suggest pixel peeping gives you much more detail than an 11x14.
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Forum: Pentax K-3 & K-3 II
09-02-2017, 08:20 AM
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I have mild handshake which prevented me from bring able to train as a woodcarver when the Canadian government refurbished the east wing on the parliament block. I was working with a master carver at the time, and my hands were so unsteady I couldn't even do his rough work for him. I regularly shoot as low as 1/6s .
Here's a shot taken at 1/10 second, hand held with SR. A slow enough exposure to blur the motion of the water.
So, in short, I have no idea what you're going on about.
 Wolf_Lake-Aug-2017-CT-53 by Norm Head, on Flickr
Long story short, if you want a 5 second exposure use a tripod. Even for 1/30s images, my handshake can exceed the ability of SR to compensate. A 5 second exposure with no movement? That wouldn't be possible for me. But I have known folks who are steady enough to take long exposures without any SR. You're taking about a marketing ploy. You get one of those guys who doesn't need SR, you take a 5 second exposure and say "Look how good our SR is." When they guarantee that if you don't get the same results they'll refund your money I'll believe they are actually on to something. SR works really good, for people who are already really good at keeping the camera stable. I have to brace myself, and I have absolutely no doubt it would be the same using any SR system. And if the image is mission critical, I don't depend on any technological wizardry. I use a tripod and take away the possibility of movement beyond the capability of the SR system. There is no SR system that doesn't have limited capability. If you move enough, you ruin your image at slow shutter speeds, no matter what you use.
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