Quote:
Originally Posted by alocky
Worth noting that these plots are for a D200, not a full-frame sensor.
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That's true. A full frame sensor plot was available for some of them, but in order to compare all of the disparate options the d200 was common. On full frame they will all be somewhat worse as we are using more of the glass, but as a guide, they are better as a sort of quantitative measure, than the typical Internet (qualitative) comment that "lens x is better than lens y". If anyone is interested in one or two of these lenses for full frame use they may be lucky and be the lenses that also have full frame data. It certainly wasn't available for all 6 lenses to allow me to make a balanced comparison all at full frame, hence the choice of APS-c to allow a balanced comparison across all 6 lenses.
Of course, if using these lenses with some of the popular micro4/3 or aps-c sized Astro cams, like the QHY163 mentioned as a possible application then the APS-c data provided would be highly relevant.
Best
JA