The Sony 28-75mm F2.8 SAM is a 28–75 mm zoom lens with a maximum aperture of f/2.8 for the Sony Alpha mount. Here are its field of view on different sensors, hyperfocal distances, Milky Way exposure limits and the cameras it fits.
Focal length
28–75 mm
Max aperture
f/2.8
Mount
Sony Alpha
Designed for
Full frame
Field of view by sensor
| Sensor | Diagonal angle of view | 35 mm equivalent |
|---|---|---|
| Full frame | 75.4° – 32.2° | 28–75 mm |
| APS-C (1.5×) | 53.6° – 21.4° | 43–115 mm |
| Canon APS-C (1.6×) | 51.6° – 20.4° | 45–120 mm |
| Micro Four Thirds | 42.2° – 16.4° | 56–150 mm |
Hyperfocal distance
| Focal length | f/2.8 | f/5.6 | f/8 | f/11 | f/16 |
|---|---|---|---|---|---|
| 28 mm | 9.4 m | 4.7 m | 3.3 m | 2.4 m | 1.7 m |
| 75 mm | 67 m | 34 m | 24 m | 17 m | 12 m |
Circle of confusion 0.030 mm (sensor size the lens is designed for).
Longest exposure for sharp stars
| Camera | NPF rule (wide open) | 500 rule |
|---|---|---|
| Full frame (24 MP) | 9.8 s @ f/2.8 | 17.9 s |
| Full frame (45 MP) | 8.2 s @ f/2.8 | 17.9 s |
| APS-C (24 MP) | 7.7 s @ f/2.8 | 11.7 s |
Cameras that fit (34)
- Sony Alpha 33
- Sony Alpha 35
- Sony Alpha 37
- Sony Alpha 55
- Sony Alpha 57
- Sony Alpha 58
- Sony Alpha 65
- Sony Alpha 68
- Sony Alpha 77
- Sony Alpha 77 II2014
- Sony Alpha 992012
- Sony Alpha 99V
- Sony Alpha 100
- Sony Alpha 200
- Sony Alpha 230
- Sony Alpha 290
- Sony Alpha 300
- Sony Alpha 330
- Sony Alpha 350
- Sony Alpha 380
- Sony Alpha 390
- Sony Alpha 450
- Sony Alpha 500
- Sony Alpha 550
- Sony Alpha 560
- Sony Alpha 580
- Sony Alpha 700
- Sony Alpha 8502009
- Sony Alpha 9002008
- Sony Alpha 99 II2016
- Konica Minolta Maxxum 5D
- Konica Minolta Dynax 5D
- Konica Minolta Maxxum 7D
- Konica Minolta Dynax 7D
Where to buy
B&H PhotoAmazonKEH (used)MPB (used)FAQ
What is the Sony 28-75mm F2.8 SAM equivalent to on APS-C?
About 42–112 mm (1.5×) or 45–120 mm on Canon APS-C (1.6×).
Which cameras is the Sony 28-75mm F2.8 SAM compatible with?
It fits Sony Alpha 33, Sony Alpha 35, Sony Alpha 37, Sony Alpha 55, Sony Alpha 57 and more (see the full list above).