Minimum Focusing Distance	3m
Real Field of View	4.9°
Weight	1970g *using Nikon mount, excluding Lens Hood
Filter Thread	95mm
Focal Length	500m
Maximum Aperture	F5.6
Lens Construction	7 Elements in 7 Groups
Fluorite Crystal Lens	1
XD Lens	2
F-Value	F5.6 ~ 11
Iris Blades	9
Maximum Reprojection Ratio	0.17x
Maximum Diameter x Length	Φ 104x341mm (Φ 4x13.4in) *using Nikon mount, excluding Lens Hood

Kowa 500mm Mount Adapter for Telephoto Lens

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