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02-18-2018, 08:06 AM   #1
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Landscape/Astrophotography lenses for Pentax K-30

Hello everyone,
In last month I got the Pentax K-30 with 18-55mm lens. In next month I want to upgrade this, and I need a little bit help about the lenses. Any ideas?
I recently viewed some reviews about samyang 14mm and 24mm lenses and two of sigma lenses 18-35mm and 17-50mm.
I pref landscape- and astrophotography first. So I need lenses for these categoryes. I hope someone can help me.

02-18-2018, 08:18 AM - 1 Like   #2
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02-18-2018, 08:25 AM - 1 Like   #3
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QuoteOriginally posted by tigerz1995 Quote
I pref landscape- and astrophotography first. So I need lenses for these categoryes. I hope someone can help me.
I think those Samyang are the best choices since they are
a) affordable
b) sharp
c) low coma
d) manual focus (long focus throw, easier to focus by hand, but the distance scales might be miscalibrated so you have to figure out where infinity focus truly lies)
e) wide/ultra wide angle
f) fast aperture

I think those Sigma and other zoom lenses are not as good because they have slower aperture and coma

But yes, search the forums. There are many threads about this, with questions and tutorials

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