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    Leica Trinovid 10x50 BA dimmer than a Swarovski EL 8x32 SV?

    Under what circumstances would a 10x50 be dimmer than a 8x32? Background: I had the chance to buy a Leica Trinovid 10x50 BA. Optics clean, no fungus or hazing. Cosmetically excellent. I adjusted the diopter and looked. Sharp in-focus image, CA mild but visible. Then I used my Swarovski EL 8x32...