티스토리 뷰

Information

Release year

1988

Minimum aperture

F/32

Maximum aperture

F/2.8

Aperture blade

9

Elements, groups

8, 7

Min. focus distance

150cm

Focus design

Internal

Length

134mm ~ 134mm

Filter

72mm, front

Hood

Integrated, round

Weight

790g

Dimension

134mm x 86mm

 

Photodo test result: 4.1
Effective focal length: 193 mm
Weighted MTF for 200 mm: f2.8 0.80. f4 0.80. f8 0.84
Average Weighted MTF: 0.83 Grade: 4.1
Weighted MTF 10 lp/mm: 0.91
Weighted MTF 20 lp/mm: 0.79
Weighted MTF 40 lp/mm: 0.58
Distortion: 1.42%

 

Lens pics 























 


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