S 70-300 vs Sigma 100-400 or 70-200 4.0 vs 70-200 2.8?

Started 4 months ago | Discussions thread
reinhard becker Regular Member • Posts: 159
Re: Test of 70-300

sunnycal wrote:

ptr22 wrote:

Hi,

I like the idea of the lighter and shorter 70-300 as well as the macro option but read a few times it's not the sharpest lens, especially at the 300mm end (?) and, 4.5 is not ideal for low light situations.

Where did you read that? My copy of 70-300 is hands-down the sharpest 70-300 I have ever used.

Sigma 100-400 has copy variations. The good copies are extremely good, but bad copies are still alright.

I can carry 70-300 stored vertically in my camera bag. In that respects it takes the same space as any other lens (e.g. 24-105 or 85mm). The 100-400 can only go in horizontally and will consume space of three lenses.

I haven't been able to properly test the two against each other yet, but 70-300 seems little better in its covered range.

There was a test of the 70-300 in german Color Foto 5/2021, the 100-400 was not tested yet.

It scored 102points as summary

70mm: 110,5 points

145mm: 105 points

300mm: 91 points

They tested open and 2 stops down. At 300 mm there was a visible fall off to the corners and general weaker results with 2 stops down. If you use the lens at 300, you should not stop down and keep your object in the center…

For comparison: the best zoom lens on the S1R scored 108 points as summary, the best fix focal length lens was 128,5 points.

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Reinhard
Olympus E-M5II, E-M1II, Olympus lenses from 7 to 300mm
Panasonic S1R, Sigma L-mount lenses (14-24, 24-70, 50, 85, 135, 150-600)

 reinhard becker's gear list:reinhard becker's gear list
Olympus E-M5 II Olympus E-M1 II Panasonic Lumix DC-S1R Olympus M.Zuiko Digital ED 60mm F2.8 Macro Olympus M.Zuiko Digital ED 75mm F1.8 +16 more
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