The Extreme Batis: MTF Tests of the Zeiss Batis 18mm and 135mm f/2.8 Lenses

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I’ve been sluggish to check the Batis lenses for a number of causes. We will by no means get sufficient copies once they’re first launched and by the point we do have sufficient copies I’ve received six different issues to do. That stated, I did give an overview of the Batis 25mm and 85mm some time again and even did a teardown of the 25mm of.

However I haven’t gotten round to testing both of the Batis on the excessive focal lengths: the Batis 18mm f/2.8 and the Batis 135mm f/2.8. That’s a disgrace often because the Batis are usually wonderful lenses, fairly small to hold round, and, by FE mount requirements not ridiculously excessive in worth. So I lastly received round to testing each of them and thought I’d simply mix issues right into a single publish.

MTF Curves

Batis 18mm f/2.8

We’ll begin with the 18mm, which I used to be fairly interested by testing. It will get a ton of constructive feedback, and Zeiss usually does a spectacular job with their wide-angle lenses. The MTF curves affirm simply that. It has wonderful decision, not simply within the middle, however nicely out towards the sides. There’s little separation between the tangential and sagittal curves, indicating low astigmatism and lateral shade.

Olaf Optical Testing, 2017

The 10-copy variation curves are additionally excellent for a large angle lens. This can be a good, tight sample.

Olaf Optical Testing, 2017

In fact, it helps to point out some comparisons to different lenses. Let’s begin with evaluating it to the Zeiss 18mm f/3.5 Distagon T*. The Distagon has a bonus in being examined at f/three.5 in comparison with the Batis at f/2.eight. However the Batis nonetheless smokes it.

Olaf Optical Testing, 2017

Let’s make issues a bit harder. The Zeiss 21mm f/2.eight Distagon has been THE vast angle lens for comparability since approach earlier than I’ve been testing. Whereas they’re even within the middle, the 21mm Distagon is a bit higher off-axis.

Olaf Optical Testing, 2017

Batis 135mm f/2.8

The 135mm focal size now has an enormous variety of wonderful lenses, which makes me pleased. I really like that focal size. The Batis 135mm f/2.8 is definitely considered one of them.

Olaf Optical Testing, 2017

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The variance can also be good, though we anticipate that with a 135mm lens.

Olaf Optical Testing, 2017

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We’ll begin comparisons by staying in-brand, with the Zeiss 135mm T2.1 CP.2 lens. They’re nearly similar. Properly, so far as optical testing. They’re fairly straightforward to inform aside when you have them in your palms.

Olaf Optical Testing, 2017

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The subsequent comparability is with my ex-favorite lens, the Canon 135mm f/2. Keep in mind, the Canon is being examined at f/2, so it's anticipated to not be fairly as sharp because the f/2.eight lens. However OK, the Batis is definitely no less than cease value of higher. That is fairly spectacular.

Olaf Optical Testing, 2017

The Full Batis Line

I doubt anybody is selecting which Batis lens they're going to buy on the idea of MTF charts. I’m utilizing our comparability graphs to place all four of them collectively with out taking over loads of area, although, in order that they’re in a single place. Keep in mind the 2 middle-range lenses are examined at a wider aperture than the 18mm and 135mm.

Olaf Optical Testing, 2017

Olaf Optical Testing, 2017

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Roger Cicala

Lensrentals.com

September, 2017

What's greatest in life, Roger? 

To crush the advertising departments. See them pushed earlier than you. And to listen to the lamentations of their gross sales reps. 

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