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Sony FE 135mm f/1.8 G Master Lens Review - Performance

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Sony FE 135mm f/1.8 G Master Performance

Central sharpness is excellent from f/1.8 to f/2.8, is outstanding at f/4 and then excellent all the way through to f/8. It is still very good at f/11 and f/16 and good at f/22, when diffraction really starts to impact on the quality. The edges are excellent from f/1.8 to f/5.6, very good at f/8 and f/11 and good at f/16 and f/22. We can expect crisp, sharp images.

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Sony FE 135mm f/1.8 G Master MTF Charts

How to read our MTF charts

The blue column represents readings from the centre of the picture frame at the various apertures and the green is from the edges.

The scale on the left side is an indication of actual image resolution as LW/PH and is described in detail above. The taller the column, the better the lens performance.

For this review, the lens was tested on a Sony Alpha A7R III using Imatest.

 

CA (Chromatic Aberration) is very well controlled, especially at the centre of the image. In real-world shooting, there is virtually no fringing and in any event, any residual CA can be corrected easily using software. It is unlikely that this will be necessary, but the option is there.

 

 

Sony FE 135mm f/1.8 G Master Chromatic Aberration Charts

How to read our CA charts

Chromatic aberration (CA) is the lens' inability to focus on the sensor or film all colours of visible light at the same point. Severe chromatic aberration gives a noticeable fringing or a halo effect around sharp edges within the picture. It can be cured in software.

Apochromatic lenses have special lens elements (aspheric, extra-low dispersion etc) to minimize the problem, hence they usually cost more.

For this review, the lens was tested on a Sony Alpha A7R III using Imatest.

 

As expected in a short telephoto lens, there is some pincushion distortion, but measuring a modest +0.59%. This is unlikely to impact significantly but could be reduced further in software if desired. It will be fine with most subjects as it is.

Bokeh describes the rendition and gradation of out of focus areas in an image and this lens delivers up to its promise with lovely, silky smooth gradation. This bodes well for portraiture in particular, but equally with many other types of photography.

Flare is not a problem, the Sony Nano AR coatings clearly doing a very efficient job of suppressing internal reflections. Even in the most extreme circumstances, there is no flare.

Fast, bright, lenses do tend to show some vignetting, but in this instance the light fall-off is creditably held to just over a stop wide open, reducing to around half a stop through the rest of the aperture range. A rather impressive result.

Overall, a superb technical performance.

 

Sony FE 135mm f/1.8 G Master Sample Photos

 

Sony FE 135mm f/1.8 G Master Aperture range

You can view additional images in the Equipment Database, where you can add your own review, photos and product ratings.


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Sony FE 135 mm f/1.8 GM | Full-Frame, Telephoto, Prime Lens (SEL135F18GM)
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