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Bokeh of four 50mm lens (f0.95, f1.4, f1.5, f1.8)

jesse

By jesse,
in Showcase Adapted Lenses

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jesse Rookie

jesse

Posted
Posted

I like to adapt manual focus lens on a7.

Here i'd like to share the images of four 50mm lens.

Their bokehs are different when apertures are wide open. Choose your favorite. :-)

 

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D700 Contributor

D700

Posted
Posted

For me it would have to be the Mitakon SpeedMaster as it is a lot more creamier and smooth than the rest.

 

Si

 

But it is not comparable and not really sharp too ;)

To compare the bokeh he should use the same Apperture for all lenses.

If we leave out the Mitakon, the Ultron ist my favourite too!

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David A Rookie

David A

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Posted

Why is everybody bokeh-crazy? It seems to be so common lately that people are more concerned with what is out-of-focus than the in-focus part. Unlike the past the main criteria for a lens is bokeh instead of IQ/resolution

 

In most uses, including on screen, it's very hard to gauge the actual IQ or resolution of an image while the bokeh is very obvious ?

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Pan Apprentice

Pan

Posted
Posted
Bokeh & Color - Ultron, it's sharp, its bokeh is appealing, and the colors work better I feel.

 

Juptier-3 - Seems sharp enough that I can see little details in the fabric, but the background color looks a bit washed out and faded.

 

Carl Zeiss Jenna looks to have a weird yellowish tint which makes th epicture overall less appealing.

 

The Mitakon SM probably has better looking bokeh stopped down but at 0.95 it looks overwhelmingly soft. Partly due to the paper focal point.

 

It'd be nice if we could see them in another test at the same aperture as well as their max aperture. Mos

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    • Pieter
      Blurry images on Sony 70-350

      By Pieter · Posted

      I've been using this lens extensively without any sharpness issues. At long focal lengths, you'll have to factor in the need for a faster shutter speed (< 1/500-ish at 350mm) and other factors like atmospheric distortion, fog/dust haze, etc. All these factors contribute to a deterioration of image quality at longer focal lengths.
    • Cameratose
      Blurry images on Sony 70-350

      By Cameratose · Posted

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    • broz_tito
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      By broz_tito · Posted

      Hi everyone, I’m reaching out to the community because I’m facing a persistent image quality issue with my Sony 70–350mm f/4.5–6.3 G OSS lens, and I’d like to know if this is normal behavior or if my copy is defective. Problem description: I’ve extensively compared the 70–350mm G OSS with my Sony 18–135mm f/3.5–5.6 OSS, using a Sony A6700, under controlled conditions: • Identical lighting and background • Same subject and position (LEGO figure, consistent framing) • Tripod or steady support • Manual focus or AF with center point • Same shutter speed (e.g., 1/200s), similar ISO (ISO 4000–6400), RAW + JPEG • OIS turned on (and also tested with OIS off) My observations: • At 135mm, the 70–350mm G OSS delivers softer, flatter images than the 18–135mm, even when stopped down. • At 350mm, the sharpness drops significantly – the center is soft, and textures (like LEGO tiles or fabric) appear blurred or smudged. • Contrast and micro-detail are noticeably inferior across all focal lengths. • The 18–135mm at 135mm (even cropped) retains better edge sharpness and detail definition. • Both JPEG and RAW files confirm the issue – this is not just JPEG processing or noise reduction. Question to the community: • Have others experienced similar softness with the 70–350mm? • Is it possible I have a decentered or optically misaligned copy? • Is there a known issue with OSS introducing softness at long focal lengths? I wanted to love this lens due to the range and portability, but currently it’s unusable for anything where image quality matters. I’m considering returning or sending it for service. Thanks in advance for any feedback or comparison results you can share.  

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