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Message: <blockquote data-quote="co2jae" data-source="post: 66129" data-attributes="member: 9917"><p>"With a telephoto lens like the one you have, unless you are using a sturdy tripod, you have to select a shutter speed that is at least as fast as the focal length x1.5. I looked at you exif (file infos) and found that you were using a shutter speed of 1/160s with a focal length of 155mm. 155 x 1.5= 230 so you should have used a shutter speed faster than 1/230s. You could have achieved this by bumping your iso up to maybe 600 and your shot probably would have been a little sharper. "If I am uing the 70-300 at 200 mm then I should be using 1/320s as shutter speed? Or.....since I have the D7000 should I figure my 1.5 x from 300 mm taking the adjusted focal length into play.  Hopefully you know what I'm trying to figure out.....still just a new user trying to learn the nuances....thanks in advance.</p></blockquote><p></p>