Diagonal fisheye auto-focus lens.

This diagonal fisheye lens has an angle of view of 180 in the diagonal direction as well as minimum shooting distance of 15cm.

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Minimum Shooting Distance of 15cm
The minimum shooting distance of this lens is only 15cm(5.9 inch) and it has maximum magnification of 1:3.8. Minimum shooting distance of 15cm (5.9in.) and large depth of field allow close up photography that covers the objects surrounding the photographic subject like an insect or flower.

Gelatin Filter Holder
This lens is supplied with a gelatin filter holder at the rear, allowing the use of gelatin filters.

It can be used with Digital SLR cameras
Digital SLR, that has smaller image sensor size than 35mm film cameras. Therefore, angle of view of 180 cannot be obtained with Digital SLR cameras. However, it uses only the centre part of the frame, therefore, peripheral distortion will be very small. You can shoot as normal ultra wide angle len