Quote:
Originally Posted by gbeal
....... but astro use and CCD sensors strain even the best, so I opted for primes, designed for HUGE film sizes, and use the sweet spot in the middle.
Gary
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Spot on

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I believe large format lenses offer the best price/performance ratio for astrophotography (6x9 - Hasselblatt, Mamiya or Zenit 80 or similar), without compromising the resolution on smaller sensors, including "full frame" 24x35mm.