0.25x Magnification, Extreme Fisheye Effect, High Definition Quality

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The EF-2537 37mm 0.25x Fisheye Conversion Lens (Black) from Helder provides 0.25x magnification, to any 37mm front-end lens filter thread, for wide-angle shooting. Whether you're shooting creative portraits and landscapes or working in tight indoor spaces, the high definition EF-2537 opens up the scene and allows you to get far more into every frame. Attach the conversion lens to the 37mm filter thread on your lens and start shooting.

Key Features

0.25x Magnification

Having 0.25x magnification means your focal length will be cut by 75%, widening your camera's field of view to an extreme degree and giving a much wider and distorted perspective.

37mm Rear Lens Mount

Screw this onto the front end of your currently attached lens and the EF-2537 will transform your camera and lens from a standard or telephoto to that of a much wider angle.


Rear Mount Diameter37mm
Front Filter Thread SizeNone
Construction, Elements/GroupsNot Specified by Manufacturer
Diameter and Length2.6 x 1.5" (6.5 x 3.8 cm)
Weight4.8 oz (135 g)
Helder EF-2537 37mm HD 0.25x Fisheye Conversion Lens
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