Lens Summary
Brand: Sony
Also Known As: Sony 50mm f/2.8 Macro
Lens Type: Prime Lens
Format: Full Frame / FX
Focus: Autofocus
Lens Mount: Sony Alpha
Release Date: 2006-06-05
MSRP Price: $598
Made in: Japan
Infrared Rating: Good
Production Status: In Production
Lens Description: The 50mm focal length is a very versatile choice, offering an outstanding optical performance for general photography and lets you get in close when necessary, filling the frame with diminutive but fascinating subjects for outstanding macro images.
Sony 50mm f/2.8 Macro Specifications
| Lens Specifications | |
|---|---|
| Lens Type | Prime Lens |
| Focal Length | 50mm |
| Mount Type | Sony Alpha |
| Format | Full Frame / FX |
| Compatible Format(s) | 35mm Film / Full-Frame Digital Sensor DSLR (APS-C Sensor) |
| Compatible with Teleconverters | No |
| Maximum Reproduction Ratio | 1:1 |
| Optical SteadyShot / AntiShake (Image Stabilization) | No |
| Aperture Information | |
| Aperture Ring | No |
| Maximim Aperture | f/2.8 |
| Minimum Aperture | f/32 |
| Maximum Angle of View (APS-C or smaller format) | 47° |
| Optical Information | |
| Lens Elements | 7 |
| Lens Groups | 6 |
| Diaphragm Blades | 7 |
| Focus Information | |
| Focus | Autofocus |
| Built-in Focus Motor | Yes |
| Minimum Focus Distance | 0.20m |
| Distance Information | Yes |
| Filter Information | |
| Filter Size | 55mm |
| Accepts Filter Type | Screw-on |
| Physical Characteristics | |
| Weather / Dust Sealing | No |
| Mount Material | Metal |
| Dimensions | 6 x 7.1cm |
| Weight | 295g |
| Other Information | |
| Available in Colors | Black |
Lens Construction and MTF Chart
Note error in the MTF chart — this graphic is for a different lens, the wide 20mm f/2.8, not for the normal 50mm f/2.8 macro.
I assume (hope) that the 50mm f/2.8 macro is much much sharper (70-90% MTF at 30 lp/mm way out on the lens periphery)