Canon EOS 350D with Carl Zeiss Sonnar T* 2.8/85mm

Veijo Vilva

(Page under Construction)

FOV corresponds to a 135mm lens on a 35mm camera very good contrast and sharpness, reasonable bokeh very inconspicuous and light for a 85mm lens -- good for travel and street photography, lighter and only slightly longer than a Planar 1.4/50, smaller than a Distagon 2.8/28, less than 30% of the weight of a Helios 40-2 1.5/85mm mounted with a Contax/Yashica Bayonet-to-EOS adapter manual focus AV (aperture priority) or M (manual)

Sonnar T* 2.8/85 vs. Helios 40-2 1.5/85

Bokeh At full aperture (f/2.8), the bokeh is quite good though on the neutral side. The edge of the blur circle is there, but it is rather soft. A crop: For the bokeh, see also EOS 350D: Playing with the Bokeh

A NOTE CONCERNING THE BOOKSHELF TEST PHOTOS my test procedure isn't very rigorous bad results may be caused by bad focusing as manual focusing in dim lighting isn't any too easy when the DOF for this level of expected sharpness is just a few millimeters in either direction the backs of the books aren't at exactly the same depth, the maximum difference is about one inch. Only a few books at the center and at the upper right-hand corner have been aligned - roughly. the test only shows that the specific tested lens is at least as good as my results -- even that individual lens might be better, and others of the same make and model may be better or worse anyhow, the equivalent magnification of the 100% crops is just plain sick, i.e. about 48x on a typical 17", 1024x768 CRT. Normally, 8x has been considered a reasonable maximum for critical sharpness from film. At 48x magnification, a 35mm film frame would be about 172cm (68") wide, and even a 1.6x crop factor dSLR frame would be 107cm (42") wide! Nothing Wrong with the Sharpness -- There Shouldn't Be! (Full-size) (f/11 used to get a reasonable DOF at 2.4m as the backs of the books are at slightly different depths, focused using a Canon magnifier, tripod-mounted, remote release) A crop: Note the cloth texture of the book to the right of the middle, the width of the back is 20mm

Note: All shots hand-held A crop:

(Full-size) A crop:

A crop:

(Full-size) A crop:

A couple of crops:

City Culture: An Empty Bottle on a Litter Bin A hand-held shot while waiting for the bus A crop:

Links

Zeiss / Contax SLR Lenses (by Tom Shea at photo.net) Test MTF di obiettivi Zeiss per sistema CONTAX 35 mm Lens Review (at SLR Lens & Camera Review) Compare: Just Sheer Madness: EOS 350D with Helios 40-2 1.5/85mm EOS 350D: Playing with the Bokeh EOS 350D with Carl Zeiss Sonnar T* 2.8/135mm EOS 350D with Carl Zeiss Planar T* 1.4/50mm EOS 350D with Carl Zeiss Planar T* 1.7/50mm EOS 350D with Carl Zeiss Tessar T* 2.8/45mm EOS 350D with Carl Zeiss Distagon T* 2.8/28mm

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