Pentax DA 300mm f4..Full Frame or Not??

Started Jul 29, 2008 | Discussions thread
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Dave Senior Member • Posts: 1,606
Pentax DA 300mm f4..Full Frame or Not??

Hi All,

I haven't had the time to throughly test on a film body whether the new Pentax DA 300 f4 lens is fully capable with frame. I'm not including the possibility that although it might cover a full frame sensor or full frame with 35mm film... it may not be optomized for full frame if and when a full frame Pentax camera is ever released.

My question only concerns whether there is much light falloff or vignetting if the DA 300 f4 lens is used on a full frame film camera. Has anyone tested this out..especially comparing light fallofff and vignetting when compared to any other Pentax full frame 300mm fixed focal length lens. Thanks!

Dave

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