Sony DT 18-70mm F3.5-5.6 vs Sony 28-75mm F2.8 SAM (SAL2875)
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
Verdict at a glance
- Sony 28-75mm F2.8 SAM (SAL2875) is faster by 0.6 stops (f/2.8 vs f/3.5), letting in more light.
- Sony DT 18-70mm F3.5-5.6 is lighter by 350g.
- Sony DT 18-70mm F3.5-5.6 goes wider (18mm vs 28mm).
- Sony 28-75mm F2.8 SAM (SAL2875) reaches further (75mm vs 70mm).
- Sony 28-75mm F2.8 SAM (SAL2875) is the newer design (2009 vs 2006).
| Spec | DT 18-70mm F3.5-5.6 | 28-75mm F2.8 SAM (SAL2875) |
|---|---|---|
| Brand | Sony | Sony |
| Mount | Sony A | Sony A |
| Type | Zoom | Zoom |
| Focal length | 18-70mm (wider) | 28-75mm |
| Max aperture | f/3.5 | f/2.8 (faster) |
| Released | 2006 | 2009 |
| Blades | 7 | 7 |
| Format | aps-c | full-frame |
| Groups | 9 | 14 |
| Af motor | screw-drive | SAM |
| Elements | 11 | 16 |
| Weight g | 235 (lighter) | 585 |
| Filter mm | 55 | 67 |
| Length mm | 77.0 | 94.0 |
| Min focus m | 0.38 | 0.38 |
| Max magnification | 0.25 | 0.22 |
Sony DT 18-70mm F3.5-5.6
A 18-70mm f/3.5-5.6 standard zoom lens, the Sony DT 18-70mm F3.5-5.6 is designed for Sony A mount bodies. The range covers everything from wide scenes to portraits, so it works as a general-purpose lens.
Sony 28-75mm F2.8 SAM (SAL2875)
A full-frame 28-75mm f/2.8 standard zoom for A-mount with a SAM motor and 67mm filter thread. It weighs about 585 g.
Pros
- Constant f/2.8 aperture
- Light at about 585 g
- SAM autofocus
- Full-frame coverage
Cons
- Plastic build compared with premium zooms
- No stabilization in the lens