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  Previous versions of rvh23's message #14729425 « Sigma 14mm 1.8 vs Laowa 15mm F2 corner sharpness comparisons »
  

rvh23
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Sigma 14mm 1.8 vs Laowa 15mm F2 corner sharpness comparisons


I opted for the Sony version. Trying to avoid adapters whenever I can these days. I haven't done enough testing to be sure what I will settle on in the field, but f2.2 sounds about right for a good compromise between speed and coma quality on mine too.

** update ** after some more testing, I think my default aperture for the milky way will be 2.8 with the Sigma unless I really need more light. I might also try stacking a 1.8 and a 2.8 (for optimal corners).

At 2.8 the Sigma seems pretty similar to the Batis 18 I tested at 2.8 some time ago, so I'm very happy with this result. Not sure why some of the online reviews say otherwise re the Sigma's coma.


Jan 23, 2019 at 07:01 AM
rvh23
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Sigma 14mm 1.8 vs Laowa 15mm F2 corner sharpness comparisons


I opted for the Sony version. Trying to avoid adapters whenever I can these days. I haven't done enough testing to be sure what I will settle on in the field, but f2.2 sounds about right for a good compromise between speed and coma quality on mine too.

** update ** after some more testing, I think my default aperture for the milky way will be 2.8 unless I really need more light. Looks about as good as the Batis 18 I tested some time ago at 2.8, which also great.


Jan 23, 2019 at 06:56 AM
rvh23
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Sigma 14mm 1.8 vs Laowa 15mm F2 corner sharpness comparisons


I opted for the Sony version. Trying to avoid adapters whenever I can these days. I haven't done enough testing to be sure what I will settle on in the field, but f2.2 sounds about right for a good compromise between speed and coma quality on mine too.

** update ** after some more testing, I think my default aperture for the milky way will be 2.8 unless I really need more light. Looks about as good as the Batis 18 I tested some time ago, which is probably the best astro lens I had tried until now.


Jan 23, 2019 at 06:54 AM
rvh23
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Sigma 14mm 1.8 vs Laowa 15mm F2 corner sharpness comparisons


I opted for the Sony version. Trying to avoid adapters whenever I can these days. I haven't done enough testing to be sure what I will settle on in the field, but f2.2 sounds about right for a good compromise between speed and coma quality on mine too.

** update ** after some more testing, I think my default aperture for the milky way will be 2.8 unless I really need more light. Looks about as good as the https://www.fredmiranda.com/forum/topic/1535868/2]Batis 18[/url] I tested some time ago, which is probably the best astro lens I had tried until now.


Jan 23, 2019 at 06:53 AM
rvh23
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Re: Sigma 14mm 1.8 vs Laowa 15mm F2 corner sharpness comparisons


I opted for the Sony version. Trying to avoid adapters whenever I can these days. I haven't done enough testing to be sure what I will settle on in the field, but f2.2 sounds about right for a good compromise between speed and coma quality on mine too.


Jan 19, 2019 at 05:20 PM





  Previous versions of rvh23's message #14729425 « Sigma 14mm 1.8 vs Laowa 15mm F2 corner sharpness comparisons »
 




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