I put a delta titanium 4-20 up against my old zeiss MC 6-20. Wasn't impressed with the delta at all. no where as bright at high power, and surprisingly it was very distorted at low power. Only the middle was in focus.
I put a delta titanium 4-20 up against my old zeiss MC 6-20. Wasn't impressed with the delta at all. no where as bright at high power, and surprisingly it was very distorted at low power. Only the middle was in focus.
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