laura72568 wrote:Was testing out a Canon 70-300mm L lens the other night on my Canon 5DSr...Putter was my subject! 300mm, ISO800, f/5.6, 1/20.
laura72568 wrote:Cattle Egret near Anahuac area in Texas...at 560mm, ISO 800, f/8, 1/2500.
laura72568 wrote:What am I doing wrong to make my last two images soft??? I guess I don't see that. I'd love any advice.
TomCofer wrote:I do see the shot of Putter being a bit soft but acceptable. The Egret looks ok to me.
If you took the shot of Putter at 1/20th of a second, I suspect that may have caused it. 1/20th of a second allows a lot of time for camera shake or subject movement. I don't know of these were handheld or if a tripod was used, but the general rule for handheld is not to drop the shutter speed below the mm you are shooting. 100mm = 1/100 sec. 300mm = 1/300 sec. and don't drop below 1/60th of a second. Of course, that can vary by how steady your hands are and if you are using something for support. Additionally, with today's tech, many lenses will allow you drop down a stop or two with their VR or Anti-shake features.
Your depth of focus will also be much shallower at 300mm than 100mm when using the same f-stop.
There is also the possibility that you have an lens that needs micro focus adjusting. Sometimes the lens and camera body don't pair up perfectly and micro-adjustments need to be made. I suspect that I have this problem with one of my lenses, but haven't gotten around to attempting the adjustments.
I like both shots BTW.
laura72568 wrote:I appreciate your comments! I just wanted more detail as to how to fix it. I always appreciate feedback. I agree that the 1/20 was my issue on Putter. I was hand-holding the camera. I guess I thought it looked pretty clear on my 27" Mac! LOL. Always learning and that's the great thing about photography!
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