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Latest Review Posted KATZ EYE Plus split prism with microprism collar
I originally got this after I got an A50 1.2 because my focusing was way off. The screen wasn't the problem as I found out; it was the width of the shim (needed 0.15mm rather than 0.4mm) behind the focusing screen that was out (I used this users account to figure out the problem: However the Katzeye did allow me to measure with accuracy which shim was the right one and it now lives in my camera.

Once you get used to it I've found it really helps in the speed of focusing using the microprism collar and then the accuracy when you have enough time with the split prism.

It does seem to affect metering slightly with different lenses but you soon get a feel of the compensation needed for each lens if you're using spot metering, matrix and centre weighted are still accurate.

The blackout can be a bit distracting but I don't think I'll be purchasing future lenses any slower than f4 so doesn't really matter.

I got optibrite; I don't have a comparison of non-optibrite so I can't say whether that is worth it, and no guides. In hindsight I think I should have got one of the guides, perhaps the rule of thirds just to give me a bit of perspective in the viewfinder which is quite empty around the edges.

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