Zeiss Touit 50mm macro - APO-lens without an APO-designation

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EcoR1 Junior Member • Posts: 48
Zeiss Touit 50mm macro - APO-lens without an APO-designation

Hi!

I wanted to share some observations about the chromatic aberration correction in Zeiss Touit 50mm macro lens. I love that little lens. It's sharp, lightweight and I have never seen any chromatic aberrations in real life macro pictures.

Today I wanted to to do a little torture test. I used a Sony A6000 and paired it with three different lenses:  Zeiss Batis 135mm APO, Zeiss Touit 50mm and Sony FE 55mm. I picked Batis, because I knew there would be very little false colors to be seen - it's an APO-lens after all. I also wanted to see comparison against FE 55mm - famous for it's chromatic aberrations. I took lot of different pictures against bright light sources and here is good representative comparison (Cropped from unprocessed images framed similary):

As you can see FE 55mm faired worst as was expected. On the other hand Touit handles colour correction as good or even better than Batis. To me it's a little bit surprising that Zeiss is not marketing Touit 50mm as an APO-lens. It certainly behaves as one.

Sony a6000
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