India Point Park

India Point Park
by matt-ball                

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Let's assume that both sensors have the same pixel count and that the crop factor equals the teleconverter magnification. Then in theory, the answer seems simple. Both do the exact same thing: simply use the centre portion of the image. The smaller sensor does it by placing the same number of pixels in the central image area. The teleconverter does it ...


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A good teleconverter or extender works better than cropping if the lens can outresolve the resolution of the sensor by an amount greater than the degradation of the TC and the resulting loss in lens speed is not a determining factor in the viability of the shot. It depends entirely upon the teleconverter in question, the lens in question, and the full frame ...


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It's difficult to be sure. The lens-camera system is a complex one. Making any changes to it can have unexpected consequences. Using a APS-C camera on a FF lens does throw away some of the useful light gathered. But interposing an alien lens cluster in the form of a focal reducer or teleconverter may or may not do more damage to the overall image quality. ...



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