A history of Sony Alpha - Minolta AF 50 mm f/1.7 versus Sony DT 50 mm f/1.8 SAM
2. Pictures and parameters
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| Lens: |
Minolta AF 50 mm f/1.7 |
Sony DT 50 mm f/1.8 SAM |
| Focal length: |
50 mm |
50 mm |
| Construction: |
5 groups / 6 elements |
5 groups / 6 elements |
| Field of view: |
31.7 deg. for DX |
31.7 deg. for DX |
| Aperture: |
f/1.7 |
f/1.8 |
| Min. focusing dist.: |
0.45 m |
0.34 m |
| Filter size: |
49 mm |
49 mm |
| Dimensions (length x diameter): |
39.0
mm x 65.5 mm |
45.0
mm x 70.0 mm |
| Weight: |
170 grams |
170 grams |
| Price: |
around 120 $ |
150 $ |
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