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Lens Issues with 14-24mm f/2.8

14-24mm f2.8 repair chroma choma

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I purchased a use 14-24mm f2.8 Nikon Lens US version. I was happy with it when I bought it but recently I took it to do some astrophotography of the milkway and was less than pleased with its performance and am wondering if it needs to be sent in for repair. I am finding what I would consider an excessive amount what I believe is Chromatic Aberration. I understand that all super wide angle lenses will have some chromatic aberration in the extreme edges but with this lens it starts not far from the center of the image. I have compared it to pictures taken with the Rokinon 14mm f/2.8 which is producing FAR less aberration and only in the extreme corners of the image. 


I first noticed it in this timelapse I made https://www.youtube....h?v=9-mlPBtrPus


I then found a home test on Lonely Speck and performed it and it also pointed out that the 14-24mm showed aberration starting a short distance form the center. 


I then went outside in my backyard which is located in a city and took photos of the stars so they are washed out by immense light pollution but they show what I am seeing. 


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Judging from your YT video, I would say that is nothing wrong with your 14-24/2.8.  I use fixed focal lens (12 mm mostly) for night photography when possible.  A zoom lens has too much compromise in terms of internal reflection, CA and distortion due to their complex design. 

Also tagged with one or more of these keywords: 14-24mm f2.8, repair, chroma, choma