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UltravioletPhotography

50mm comparison : Nikon E Vs Steinheil Auto Cassaron Vs Yongnuo


DonPilou

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Good evening!

 

In addition to the quick test of the new Kolari Vision UV filter, I have bought 3 new lenses including the Steinheil 50mm F/2.8 EDIXA Auto Cassaron.

 

Until now I was using the Nikon E 50mm F/1.8 and sometimes the Yongnuo 50mm F/1.8, so I have decided to make a comparison of these three 50mm lenses I have for portrait photography.

 

For this comparison I used 3 Yongnuo yn560 IV unfiltered at full power, the same camera distance (1m) and the same EXIF : 50mm, F/5.6, 1/40s, 400iso. The focus is not perfect at each time...

 

After the take of the shots, each file was processed the same way.

 

Note : the shutter speed is not a real parameter here because the only UV light source is provided by the flashes. It only has to be lower than the synchronisation time of the flashes : 1/200s.

 

Here are the results of the test :

 

Yongnuo 50mm F/1.8

post-112-0-91320800-1484585731.jpg

post-112-0-94463400-1484585750.jpg

 

Nikon E 50mm F/1.8

post-112-0-38056000-1484585774.jpg

post-112-0-07090400-1484585787.jpg

 

Steinheil 50mm F/2.8 EDIXA Auto Cassaron

post-112-0-53674700-1484585811.jpg

post-112-0-71026600-1484585828.jpg

 

As you can see, the Steinheil 50mm F/2.8 EDIXA Auto Cassaron has really great performance in ultraviolet photography : the exposure is twice better compared with the two other lenses. It is a bit less sharp but you can shut down the aperture to 1 or 2 more stops and keep having a good exposure.

 

The Yongnuo is not really good, its only good point is to have auto-focus. The Nikon E has really great sharpness (not on this shot but in my experience) but requires a lot of UV light.

 

As a conclusion, I think I am going to change the 50mm I use for the Steinheil 50mm F/2.8 EDIXA Auto Cassaron for my next project to have a really better UV transmission.

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An excellent demonstration of the transmission differences between the three lenses.

 

The Cassaron seems sharp enough to make good portraits. "-)

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I have the Steinheil 50mm F/2.8 EDIXA Auto Cassaron but I wasn't as impressed. It transmits fine, but mine is super-soft.
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  • 5 years later...

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