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Optimized for megapixel digital photography

1.7X telephoto converter

High-grade lens in aluminum housing for superb durability

High-grade lens offers increased detail at the edge of an image

Screw Diameter- M30 x 0.75
Material- Aluminum, Glass
Magnification- x 1.7
Lens Groups-Elements- 3 groups, 3 elements
Lens Grade- HG

Carrying Case
Lens Cap for front of the lens
Lens Cap for back of the len