|DT||The lens is designed only for Sony APS-C digital SLR cameras.|
|SAM||The lens is equipped with micromotor to provide moderately fast and quiet autofocus.|
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|Diagonal angle of view:||44° (Sony APS-C)
|Lens construction:||6 elements in 5 groups|
|Closest focusing distance:||23 cm|
|Number of diaphragm blades:||9|
|Type of autofocus motor:||Micromotor (Minolta/Sony A)
|Full-Time Manual Focus:||No|
|Maximum diameter x Length:||Ø70 x 52 mm|
|Materials:||Plastic barrel, plastic mount|
|Filter size:||55 mm|
The lens barrel is compact, of moderate weight, made of plastic. The lens mount is plastic.
The lens features AF/MF focus mode switch.
|AF||Autofocus mode without Direct Manual Focus.|
|MF||Manual focus mode.|
The lens uses front filters with standard size of 55 mm which are easy to find. They are also inexpensive.
It should be noted that most lenses of the system have such diameter of the filter thread, that is why if you will purchase additional lens with similar focal length and/or speed, you probably will be able to share filters between them.
The focusing ring rotates during autofocus which looks pretty anachronistic by today's standards. It is strongly recommended not to touch the ring or manually stop its movement because it might result in damage to the lens and/or camera.
The filter thread does not rotate during focusing which allows convenient use of different types of filters (including but not limited to polarizing and gradient).
|Camera||Sony Alpha DSLR-A700||Sony Alpha DSLR-A580|
|Sensor size||23.5×15.6 mm||23.5×15.6 mm|
|Distortion||-1.28 %||-1.38 %|
|Vignetting at F/1.8||-1.49 EV||-1.65 EV|
|User Manual. Multilingual, Adobe PDF, 481 KB|
|User Manual. Multilingual, Adobe PDF, 564 KB|
Alternatives (AF, 30..40 mm)
|Sigma 30mm F/1.4 DC HSM | A||2013||⊗|
|Sigma 30mm F/1.4 EX DC HSM||2005||⊗|
|Sigma 35mm F/1.4 DG HSM | A||2012||⊗|
|Sony 35mm F/1.4 G (SAL35F14G)||2006||⊗|
|Tamron SP AF 35mm F/1.8 Di VC USD F012||2015||⊗|