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11-16-2020, 03:48 PM   #16
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Thanks for the information!

QuoteQuote:
What's the advantage of it?
I have the opposite question: what's the drawback of it? Manual focus I guess, but is there something else?

11-16-2020, 07:14 PM   #17
mlt
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QuoteOriginally posted by timautin Quote
Thanks for the information!



I have the opposite question: what's the drawback of it? Manual focus I guess, but is there something else?
Price, fixed aperture, and not ideal for terrestrial use.
11-18-2020, 05:26 AM   #18
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Can astrotracer be used with these lenses?
11-18-2020, 08:00 PM   #19
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QuoteOriginally posted by someasiancameraguy Quote
Can astrotracer be used with these lenses?
Yep, you just have to put the focal length in the camera using the dial on it then no problem.

11-18-2020, 08:01 PM   #20
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QuoteOriginally posted by timautin Quote
Thanks for the information!



I have the opposite question: what's the drawback of it? Manual focus I guess, but is there something else?
Manual focus is pretty much required for astrophotography.
11-21-2020, 06:28 AM   #21
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QuoteOriginally posted by mlt Quote
Price, fixed aperture, and not ideal for terrestrial use.
Thanks, I didn't noticed the fixed aperture!
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