Useful as a gadget, not quality

Useful as a gadget, not quality

Telephoto Mirror Opteka 500mm f / 8 for Nikon D40, D40x, D7000, D5000, D5100, D3200, D3100, D3000, D50, D60, D70, D70s, D80, D90, D100, D200, D300, D600, D700 & D800 Devices SLR Cameras (Electronics)
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Customer Review

This objective is difficult to use. Manual Focus impractical. Quality of deceptive image. OK as a gimmick, that's all.
I not recommend it for serious amateurs.

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