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05-30-2016, 02:47 PM   #16

Join Date: Jul 2009
Location: Tromsų, Norway
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Are zooms out of the question? My Sigma 18-35mm f/1,8 Art have impressive low coma, large aperture and have sharpness like a stack of good primes. A lovely lens for astrophoto and aurora. A little heavy for general walkaround use, but when it sits on a tripod that isn't a concern.

05-30-2016, 03:43 PM   #17
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ScooterMaxi Jim's Avatar

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Location: Minnesota
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Heck, no. The Sigma 18-35 essentially is a prime in every respect (other than heft, which isn't a factor, obviously). Exceptions to every rule...

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