ian_humphrey Posted December 18, 2014 Share Posted December 18, 2014 <p>Using a 7d canon with some filters. I am trying to use star filters but not getting very good results. Would it be better to take off other filters including sky filter.<br>Many thanks<br>Ian</p> Link to comment Share on other sites More sharing options...
ian_humphrey Posted December 18, 2014 Author Share Posted December 18, 2014 <p>Ps<br> What aperture would give best results.</p> Link to comment Share on other sites More sharing options...
Marcus Ian Posted December 18, 2014 Share Posted December 18, 2014 <p>Yes, you should take the rest off. </p> <p>My understanding is that smaller apertures work the best with this type of filter, ideally as small as possible (f16-22). It's been years since I've used one, but I got decent results at f16 (on film).</p> Link to comment Share on other sites More sharing options...
dcstep Posted December 18, 2014 Share Posted December 18, 2014 <p>I agree, f/16 to f/22.</p> Link to comment Share on other sites More sharing options...
JDMvW Posted December 18, 2014 Share Posted December 18, 2014 <p>source on theory and praxis:<br /> http://www.tiffen.com/star_filters.htm </p> <p>A nice thing about digital is that you can try various settings and see the results immediately.</p> Link to comment Share on other sites More sharing options...
sarah_fox Posted December 19, 2014 Share Posted December 19, 2014 <p>You don't NEED a star filter to get a star effect. You can also shoot with a very small aperture. You'll get a star effect off the aperture blades. The flatter and fewer the blades, the better the star pattern. I would think someone has also figured out how to create star patterns off of bright highlights in post. If you can achieve the effect you're after without a star filter, you're better off doing so, IMO. Star filters tend to create a diffused haze over the entire photo that I find less than desirable. Even diffusion from a tiny aperture seems less problematic to my eye, especially since small-aperture diffusion responds very well to sharpening.</p> Link to comment Share on other sites More sharing options...
golem_bngolem Posted December 20, 2014 Share Posted December 20, 2014 <p>+1 about the general IQ degradation with a Star Filter.<br> <br> But OTOH, this does mean there's little or no point in<br> removing your skylite filter.<br> <br> Gotta disagree that fewer and flatter iris blades make<br> for better [filterless] stars. More blades is more rays<br> in your starburst, and when you stop down to double<br> digit stops, flat or curved hardly matters.<br> <br> BTW altho you can get starburst without a Star Filter<br> the type of effect you get *with* the filter is just a<br> different animal. Not a better or worse animal, just<br> different. There's dog lovers and there's cat lovers. <br> <br> ` </p> Link to comment Share on other sites More sharing options...
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