Sony 28-75mm f/2.8 SAM

Sony 28-75mm f/2.8 SAM

Lens Summary

Brand: Sony

Also Known As: Sony 28-75mm f/2.8

Lens Type: Zoom Lens

Format: Full Frame / FX

Focus: Autofocus

Lens Mount: Sony Alpha

Release Date: 2009-08-27

MSRP Price: $898

Made in: Japan

Infrared Rating: Good

Production Status: In Production

Lens Description: If you use a 35mm full frame or an APS-C format camera, this award-winning lens offers an ideal balance of brightness, zoom range and image quality for a wide range of situations you're likely to encounter in everyday shooting. The fact that it features a constant, bright F2.8 maximum aperture at all focal lengths offers significant advantages for hand held and low light shooting, as well as for creating gorgeous defocused backgrounds.

Sony 28-75mm f/2.8 SAM Specifications

Lens Specifications
Lens TypeZoom Lens
Focal Length28-75mm
Mount TypeSony Alpha
FormatFull Frame / FX
Compatible Format(s)35mm Film / Full-Frame Digital Sensor DSLR (APS-C Sensor)
Compatible with TeleconvertersNo
Zoom Ratio2.67x
Maximum Reproduction Ratio1:4.5
Optical SteadyShot / AntiShake (Image Stabilization)No
Aperture Information
Aperture RingNo
Maximim Aperturef/2.8
Minimum Aperturef/32
Maximum Angle of View (Full frame or larger format)75°-32°
Optical Information
Lens Elements16
Lens Groups14
Diaphragm Blades7
Focus Information
Built-in Focus MotorYes
Direct Drive Super Sonic wave Motor (DDSSM)Yes
Internal FocusingYes
Minimum Focus Distance0.38m
Distance InformationYes
Filter Information
Filter Size67mm
Accepts Filter TypeScrew-on
Physical Characteristics
Weather / Dust SealingNo
Mount MaterialMetal
Dimensions7.75 x 9.40cm
Other Information
Available in ColorsBlack

Lens Construction and MTF Chart

Sony 28-75mm f/2.8 SAM MTF and Diagram

About Nasim Mansurov

Nasim Mansurov is the author and founder of Photography Life, based out of Denver, Colorado. He is recognized as one of the leading educators in the photography industry, conducting workshops, producing educational videos and frequently writing content for Photography Life. You can follow him on Instagram and Facebook. Read more about Nasim here.


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Lee Davenport

I was new to full frame cameras when I purchased a Sony A99; this lens was available at a discount. I was satisfied with the lens performance, but would frequently read from the “experts” that the Zeiss 24-70 f/2.8 SSM was a better lens. Believing the experts, I bought the Zeiss with the intention of selling the 28-75. While waiting to sell my lens, I made a comparison using my own unscientific methods. I took various photos indoor/outdoor under identical conditions and found the lenses are very very close in image quality. If fact, the 28-75 frequently gave slightly better image quality at 28mm (not always) with the Zeiss giving slightly better image quality at 50mm & 70mm (not always). Frequently heavy duty pixel peeping was necessary to tell the difference; often there was none. The Zeiss contrast was consistently better than this lens. In the corners the Zeiss was consistently softer. As a result of closely examining hundreds of images, I sent the Zeiss back. I didn’t need two lenses that were nearly identical. If I had to do it over again I would have looked closely at the Tamron 28-75 f/2.8.
In this comparison, I included an old $85 Minolta 50mm f/1.7 lens. The Minolta is way too soft at f/1.7 but is very sharp between f/4.0 & f/8.0, better than both these lenses at the same f stops. Go figure.