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A split prism finder uses 50% of the available light for each side of the split image on the focus screen. With the advent of autofocus a significant portion of the available light is redirected to the autofocus module; which results in insufficient light for a 50/50 split at the focus screen. I.e. a split screen installed in a modern AF DSLR is prone to ...


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Your assumption about analog vs. digital viewfinders is incorrect. Some digital cameras still use "two misaligned half circles" for focusing and some analog film cameras do not. "two misaligned half circles" for focusing is also called "Split Prism" and was a focusing aid used in most older, Manual Focus cameras. When Auto Focus lenses were developed for ...


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The analog camera you use most likely has no autofocus and thus has a split prism. These are great for manual focusing, but not so great for auto exposure (AE), as AE is done after the focusing screen. Since AF usually works fast (and has a confirmation by LEDs), most cameras use plain focusing screens, though some professional cameras offer interchangeable ...


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What's the preferred focal length to use (my 24-85mm lens) for this purpose? It's not so much about focal length when using a general purpose zoom lens as it is about what type of lens design you should think about using. People talk about macro lens, is it really necessary if I already have the above zoom lens? There are a few basic advantages to ...


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A macro lens is not necessary to get a scan but you get better results with a macro lens because you can get a better magnification level. Whether your lens (and the DSLR solution vs dedicated film scanner) is good enough for your needs, only you can answer that. Essentially you want to be close to the negative to fill the frame but you want to avoid ...


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Assuming you're scanning 35mm or medium format negatives, and that you want to use the full resolution of your DSLR to digitize your negatives/slides, you can't do it with your setup (D750 + 24–85mm Nikon lens) alone. Why? You have to think in terms of magnification (also called reproduction ratio). See also: What does "magnification" mean? How ...


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