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Lenses for canon rebel T1i
ransley wrote:
Are there any sites that would rate the basic lenses for Canon, I looked at DPs reviews ratings. A google for rate canon lenses turns up www.photographyreview.com Adapting the google search to canon lens review turns up http://www.the-digital-picture.com/Reviews/ http://www.canonlensreview.com/ http://www.photozone.de/Reviews/overview http://www.fredmiranda.com/reviews/index.php?cat=45 http://www.eflens.com/i.cgi?order_by=min&order=123 http://www.bobatkins.com/photography...00dlenses.html http://www.photodo.com/ http://www.kenrockwell.com/canon/lenses/ http://www.dcviews.com/lenses/Canon-lenses.htm http://www.olegkikin.com/lenstests/ ... There should be enough sites that actually rate the lenses amongst them. Would the Canon EF 50mm 1.4 usm be about as sharp as you can get without spending the highest dollar, That very much depends. It wouldn't be very sharp at 135mm or 35mm or 28mm, for example. It also depends on the aperture and the camera shake ... and would it even make a notable difference. .... and on the enlargement. How would a Canon EF 20mm f2.8 usm compare in photo quality or other brands like Tamron. That depends. What do you want the lens to do for you? -Wolfgang |
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Lenses for canon rebel T1i
John Navas wrote:
On Tue, 30 Jun 2009 14:07:15 +0200, Wolfgang Weisselberg ransley wrote: Would the Canon EF 50mm 1.4 usm be about as sharp as you can get without spending the highest dollar, That very much depends. It wouldn't be very sharp at 135mm or 35mm or 28mm, for example. Try reading what he wrote a bit more carefully. Try understanding that anyone who asks for "sharp" and nothing else has an ill defined problem. The f/1.8 isn't bad, optically, and matches the sharpness of the f/1.4 at medium apertures --- all for a much lower price. It also depends on the aperture True, but not enough to matter. The Canon EF 50mm 1.4 USM is excellent at any aperture. It's not very good at f/1.2 or f/1.0. And according to http://www.photozone.de/canon-eos/15...review?start=1 http://www.dpreview.com/lensreviews/..._c16/page4.asp and others it's not excellent nor tack sharp wide open, much less at the borders. Photzozone reports it as only 'very good/good' (center/border) wide open, versus 'ex/ex' at f/4 to f/8, for example. Dpreview reports Sigma's 50mm f/1.4 to be much better, from center to corner at wide open, even though it's reported as still slightly soft. Of course, the EF-S 60mm at f/4-5.6 was even sharper at the center according to photozone than the best the 50mm f/1.4 could produce. and the camera shake ... Has no effect on sharpness. If you define images blurred by camera shake as sharp, then yes, camera shake has no effect on sharpness. Personally, I have a different point of view regarding sharpness. -Wolfgang |
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