티스토리 뷰

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

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