j_pang Posted December 30, 2006 Share Posted December 30, 2006 I have a canon eos 20d. The images come out too dark; corners and edges get darker. i am considering getting a normal prime. I might want to increase iso. I need your advice. body:canon eos 20d lense:canon EFS 17-85mm - image stabilizer (ultrasonic) filter: Tiffen 67mm circular polarizer How useful is normal prime (50mm)? Link to comment Share on other sites More sharing options...
rickvivian Posted December 30, 2006 Share Posted December 30, 2006 Stick with the lens you have but lose the polarizing filter and your problems will be solved. Link to comment Share on other sites More sharing options...
mark u Posted December 30, 2006 Share Posted December 30, 2006 Can you post a sample image with exposure data? There are too many variables to be able to guess reliably what your problems may be due to from your brief description. Link to comment Share on other sites More sharing options...
steve_dunn2 Posted December 30, 2006 Share Posted December 30, 2006 <p>You posted the same question yesterday; it would have been better to continue that thread, adding the information you added. But you still didn't post answers to some of the follow-up questions, such as what the histogram looked like, or to post a sample shot along with shooting data.</p> Link to comment Share on other sites More sharing options...
beauh44 Posted December 30, 2006 Share Posted December 30, 2006 <I>How useful is normal prime (50mm)?</i><P> Well they can be very useful in the right situation but will do nothing to help your problem if you don't know how to use your camera's exposure controls and histogram. <P> I'm not trying to be a smart-@$$, but as pointed out above, you asked the same question before without responding to the follow-up questions needed to help you.<P> So I would suggest: 1) Read your camera's manual cover to cover very thoroughly and 2) <a href="http://www.luminous-landscape.com/tutorials/understanding-series/understanding-histograms.shtml">Understanding Histograms</a> should help. And 3) Don't use the polarizer until you understand more about your camera, its modes and exposure compensation - A polarizer cuts out two stops of light and should only be used when appropriate, which is most often on bright, sunny days, outdoors.<P> If you judge exposure by your camera's LCD you'll get burned. Its function is primarily to see if things are composed well and sharp (by zooming in) Instead, master your camera's histogram; in many ways, it's the "new" light-meter. Good luck! Link to comment Share on other sites More sharing options...
andrew robertson Posted December 31, 2006 Share Posted December 31, 2006 Images too dark? Increase exposure! Images too bright? Decrease exposure! Are you just leaving the polarizer on all the time? You might as well be shooting through sunglasses. Link to comment Share on other sites More sharing options...
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