Performance Table - Kenko F8 Instruction Manual

Mirror lens 400 mm
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5. Performance Table

Brightness
Lens construction
Minimum focus distance
Macro magnification factor
Filter diameter
(diameter of filter at rear of lens)
Maximum diameter
Overall length (excluding T-mount)
Weight (excluding T-mount)
Before attaching a filter to the front of the lens, be sure the filter
won't contact the reflective part (black circle) at the center of the front
surface of the lens.
Specifications and exterior views are subject to change without notice for
the purpose of product improvement.
F8 (fixed)
2 groups, 6 lenses
1.15 m
1:2.5
67 mm
(30.5 mm)
74 mm
82mm
340 g

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