![Amazon.com : Meike 85mm f1.8 Wide Aperture Full Frame Auto Focus Telephoto Lens for Nikon F Mount DSLR Camera and Compatible with Nikon APS-C Cameras D610 D750 D780 D810 : Electronics Amazon.com : Meike 85mm f1.8 Wide Aperture Full Frame Auto Focus Telephoto Lens for Nikon F Mount DSLR Camera and Compatible with Nikon APS-C Cameras D610 D750 D780 D810 : Electronics](https://m.media-amazon.com/images/I/71M4Qu5G8+S.jpg)
Amazon.com : Meike 85mm f1.8 Wide Aperture Full Frame Auto Focus Telephoto Lens for Nikon F Mount DSLR Camera and Compatible with Nikon APS-C Cameras D610 D750 D780 D810 : Electronics
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Metabones Speed Booster adapter gives lenses an extra f/stop and nearly full frame focal lengths on APS-C sensors - Newsshooter
Re: Focal length conversion for APS-C designed lenses: Beginners Questions Forum: Digital Photography Review
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