Quote:
Originally Posted by JA
Hello V,
Full frame lenses are designed to generate a full frame image circle of approximately 43mm in diameter. The ZWO 533 will only see the central part of that with its 11.31mm X 11.31mm sensor (16mm diagonal). Any of the edge nastiness and abberations (coma, astigmatism, field curvature, ...) generated by the lens will therefore be masked somewhat., however, depending on which "manual"lenses you are referring to, more modern lenses may have higher inherent sharpness / MTF and possibly produce a sharper image, depending on your lens choices and settings. Sometimes the difference is small, sometimes it is not.
Best
JA
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Thanks! Thank makes sense. The lens I'm planning on using are the Samyang manual ones. They're pretty decent wide open but generally not that great at the edges until 2.8 or sometimes even f4.
I'll give it a shot wide open n see if I've escaped most of the edge nastiness
