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I understand that the lens is of Lester Dine manufacture, as are Kirons, which I have largely switched to over the last year.. So expect excellent resulta at f8 or f11, when you want more DOF. I have used a reversed Kiron 28m -70mm with pleasing results and have still to check out my prime 28 and 35mm reversed. I use the 105mm macro as my go-to lens for macro.
You can put tubes behind the lens or a high quality supplementary on the front, or a combination of both. I like the Marumi Achromat +5.
Reversing lenses bring problems of lack of hood, leading to possible flare and lack of contrast.