I don't have experience with either, but if there's any possibility that you'll get a full-frame Pentax, it's worth noting that the 14mm is a full-frame lens, and the 16mm is APS-C.
On Fri, Jun 26, 2015 at 11:36 AM, Darren Addy <[email protected]> wrote: > Normally, I dislike seeking opinions on This vs That, because I figure > one should do their own research and not "outsource their brain" on > such matters. However, on this one I've done my research and I'm still > torn. I would be using this lens for night sky stuff (aurora, meteors, > mostly). I live at 41N latitude so normally my Sigma 30mm f/1.4 is > what I will use, but the recent aurora outburst surprised me by > surpassing the FOV I have with that lens. I don't want to get caught > in that situation again. > > I have a Sigma EX 10-20mm f4-5.6 that I happily use for daytime > ultrawide, but it is possible that this new lens would ALSO have use > in that scenario in lowlight also. (I like to do severe storm > photography and it often gets very dark under them, even in daylight > hours.) So that usage is of secondary concern, but for THAT I would > definitely prefer the extra wide FOV of the 14mm over the 16mm. > > It appears that the 14mm outperforms the 16mm in CA: > 16mm: > http://www.ephotozine.com/articles/samyang-16mm-f-2-0-ed-as-umc-cs-lens-review-22335/images/highres-Samyang16mmCA_1373266588.jpg > > 14mm: > http://www.ephotozine.com/articles/samyang-14mm-f-2-8-ed-as-if-umc-lens-review-19621/images/highres-Samyang14mmCA_1341302313.jpg > > But on resolution, the 16mm seems to outperform the 14mm (and I shoot on a > K-3) > 16mm:http://www.ephotozine.com/articles/samyang-16mm-f-2-0-ed-as-umc-cs-lens-review-22335/images/highres-Samyang16mmMTF_1373266691.jpg > > 14mm:http://www.ephotozine.com/articles/samyang-14mm-f-2-8-ed-as-if-umc-lens-review-19621/images/highres-Samyang14mmMTF_1341302315.jpg > > However, with aurora, a shorter exposure is more important than > resolution because the longer you leave the shutter open the less > resolution you are going to get with the aurora "motion". So the f/2 > would be advantageous. > > Anyone with Real World experience with one or the other? At this > point, I'm leaning slightly towards the 16mm f/2 > > -- > Life is too short to put up with bad bokeh. > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
