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Best Sony wide angle + wide aperture lens for Milky Way shooting

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#1 starsshaz01

starsshaz01

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Posted 13 August 2020 - 03:45 AM

Hello all, 

 

I have just got a Sony A7III for my new astrophotography hobby, and main interest at the moment is shooting the Milky Way. Later my interest will move towards the more DSO type stuff with longer lenses on an equatorial mount, but for now using a tripod and wide angle lens is what I want to do. 

 

Really in between these two lenses: the Sony FE 24mm f1.4 GM and the Sony FE 20mm f1.8 G.

 

Anyone have any experience of either one? 

 

I have also heard focussing to infinity is tricky with these. Has that been your experience? As a beginner, this needs to be something I can do quite easily, so if it is hard on these lenses I may need to think about the Zeiss Batis 18mm f2.8 as a backup choice. 

 

Many thanks! waytogo.gif



#2 Alan S

Alan S

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Posted 13 August 2020 - 12:39 PM

Hi-

 

I do not have either of these lenses...I am fairly new at it also, and use a Sony A7iii.  I really like the Vixen Optics Laowa 15mm f/2 (wider than your choices)...it is very sharp for a super wide angle.  Focusing takes a little practice but is not that hard.  Use live view on a bright star...

 

I recently purchased a 24mm Sigma f/1.4 and while I have used it less, I feel there is more chromatic aberration than in the 15mm I have...nothing that can't be dealt with in photo editing.

 

One other neat trick with the Sony A7iii is that you can operate the camera in APC mode...obviously a trade off in sky coverage, but you do get to play as if you have 2 focal lengths with each lens.

 

Best,

Alan




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