Difference between revisions of "Minolta STF 135mm f/2.8"
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The '''STF 135mm f/2.8 [T4.5]''' is a full-frame lens which was originally produced by [[Minolta]], and is currently produced by [[Sony]]. The lens features a six group, eight element construction. It is manual-focus only and is the sole lens currently produced by Sony which features an aperture ring. The lens currently retails for $1,400<ref>http://www.amazon.com/Sony-SAL-135F28-Telephoto-Digital-Camera/dp/B000JE5CJQ/ref=sr_1_sc_1?ie=UTF8&qid=1396569892&sr=8-1-spell&keywords=stf+lens</ref><ref>http://en.wikipedia.org/wiki/Minolta_STF_135mm_f/2.8_T4.5_lens</ref>. It has a 72mm filter size and weighs 730g<ref>http://www.dyxum.com/lenses/Sony-135mm-F2.8-T4.5-STF_lens308.html</ref>. | The '''STF 135mm f/2.8 [T4.5]''' is a full-frame lens which was originally produced by [[Minolta]], and is currently produced by [[Sony]]. The lens features a six group, eight element construction. It is manual-focus only and is the sole lens currently produced by Sony which features an aperture ring. The lens currently retails for $1,400<ref>http://www.amazon.com/Sony-SAL-135F28-Telephoto-Digital-Camera/dp/B000JE5CJQ/ref=sr_1_sc_1?ie=UTF8&qid=1396569892&sr=8-1-spell&keywords=stf+lens</ref><ref>http://en.wikipedia.org/wiki/Minolta_STF_135mm_f/2.8_T4.5_lens</ref>. It has a 72mm filter size and weighs 730g<ref>http://www.dyxum.com/lenses/Sony-135mm-F2.8-T4.5-STF_lens308.html</ref>. | ||
Revision as of 05:11, 21 April 2016
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| Minolta 135mm STF image by seagr112 (Image rights) |
The STF 135mm f/2.8 [T4.5] is a full-frame lens which was originally produced by Minolta, and is currently produced by Sony. The lens features a six group, eight element construction. It is manual-focus only and is the sole lens currently produced by Sony which features an aperture ring. The lens currently retails for $1,400[1][2]. It has a 72mm filter size and weighs 730g[3].
Smooth Trans Focus
STF stands for Smooth Trans Focus, which smooths the transition between in-focus and out-of-focus areas. The lens uses an apodization filter which improves bokeh. The lens features one nine-bladed and one ten-bladed aperture. They are both circular. The nine-bladed aperture, measured in f-stops, controls the depth of field, whereas the ten-bladed aperture, measured in t-stops, controls exposure.
Reception
The lens is rated highly by users. On Dyxum, a Sony lens database, the lens scores 4.86/5 from 36 reviews. The lens was tested by Photozone, who awarded it a highly recommended rating.
Links
A Kurt Munger review of the lens, with examples of the bokeh produced by it.
