Third EyE/alpha's
Minolta AF 28mm F2.8
산들바람
2009. 2. 2. 20:43
|
Information | |
|
Release year |
1985 |
|
Minimum aperture |
F/22 |
|
Maximum aperture |
F/2.8 |
|
Aperture blade |
7 |
|
Elements, groups |
5, 5 |
|
Min. focus distance |
30cm |
|
Focus design |
Extension |
|
Length |
44mm ~ 54mm |
|
Filter |
49mm, front |
|
Hood |
Round, integrated |
|
Weight |
185g |
|
Dimension |
42.5mm X 65. 5mm |
Photodo test result: 3.8
Effective focal length: 29
Weighted MTF for 28 mm: f2.8 0.76. f4 0.79. f8 0.80
Average Weighted MTF: 0.79 Grade: 3.8
Weighted MTF 10 lp/mm: 0.89
Weighted MTF 20 lp/mm: 0.75
Weighted MTF 40 lp/mm: 0.50
Distortion: % - %
Lens pics
Link