50mm 1.1 Lenses: CV and 7Artisans with Leica M10

I'm hoping more likely there will be big improvements to the 50 f1.0 from the F1.1 and F1.2. if it's all as good as we hope itll be then I expect to see a lot F1.1 & 1.2 being sold off
 
From a test done with the 50/1.1 Nokton and the 7Art 50/1.1.

Nokton, wide-open:


7Art wide-open.



Nokton at F1.5,



7Art at F1.5.



Nokton at F4:



7Art at F4,

 
Nokton at F1.1



7Art at F1.1



Nokton F1.5,



7Art at F1.5,



Nokton at F4.



7Art at F4.



Full images are linked to on imgbb.
 
Nokton at F1.1, "Pull" used on the M Monochrom.



7Art at F1.1,



Nokton at F1.4, and limit of shutter speed at ISO320.



7Art at F1.5, Vignetting helps keep the sky from saturating.



Nokton F4,



7Art at F4.



Medium Yellow (Y2) used for all pictures, 1-stop compensation.

The 7Artisans is a 50mm F1.1 SONNAR formula lens that costs less than a vintage Canon 50/1.5 and Nikkor 5cm F1.4. If you are a Sonnar fan, like me, it is worth having. You must calibrate it to your camera, and most likely need a magnifier for precise focus on either of these lenses.

Nokton full size images:

https://ibb.co/album/2qmFks

7Art Full-size images:

https://ibb.co/album/cxGhBn
 
I'm hoping more likely there will be big improvements to the 50 f1.0 from the F1.1 and F1.2. if it's all as good as we hope itll be then I expect to see a lot F1.1 & 1.2 being sold off

Not Mine, Neither one! The 50/1.0 is already paid-in-full. The Nokton 50/1.1 is very similar to the 50/1.0 Noctilux- except 1/10th the price. The 50/1.2 Nokton is very sharp, renders beautifully, and focuses to 0.7m. It's about the same size and weight as a Nikkor 50/1.2 Ais.
 
New images with the 7Art: wide open for the indoors images

link:https://raid.smugmug.com/Leica-M10-7Artisans-50mm-11-2023/




50mm-7Art----4-X3.jpg



50mm-7Art----6-X3.jpg



50mm-7Art----7-X3.jpg



50mm-7Art----8-X3.jpg



50mm-7Art----18-X3.jpg



50mm-7Art----23-X3.jpg



50mm-7Art----26-X3.jpg


50mm-7Art----28-X3.jpg



50mm-7Art----46-X3.jpg



50mm-7Art----47-X3.jpg
 
This is the 7Art at F1.5, Yellow filter, on the M Monochrom.



Softness due to CA is greatly reduced used with a Yellow filter and a Monochrom camera, any film shooters will get the same benefit.
 
The OOF at 1.1 looks weird to me. What are your thoughts?

Lots of Spherical Aberration, Lots of Coma, and Chromatic Aberration. That's what you get when stretching a Sonnar design the F1.1. Crazy thing to do, but somebody had to do it and must love Sonnars as much as I do and have the resources to implement it! This is a Zunow 5cm F1.1 v2, which sold for the same amount of money over 60 years ago!
 
7Art at F1.1,



At F1.4,



I like this lens better on the M Monochrom than on the M9.

On the M9, wide-open.







It settles down by F1.4.

 
Nokton wide-open, different day. Lighting changes in this display- not a fair judge of color rendition.

 
There are some limitations in what is reasonable to do with this lens. I agree with you that having such a Sonnar (while crazy) is exciting and fun. I may have paid $250 for a new lens as a special sale. I wonder at which aperture this Sonnar lens behaves OK. Maybe 2.8 or 4?
You find it best working on your Monochom. Why? Are colors off?
 
There are some limitations in what is reasonable to do with this lens. I agree with you that having such a Sonnar (while crazy) is exciting and fun. I may have paid $250 for a new lens as a special sale. I wonder at which aperture this Sonnar lens behaves OK. Maybe 2.8 or 4?
You find it best working on your Monochom. Why? Are colors off?

Chromatic Aberration adds to the softness of the image. Using a medium Yellow eliminates most of the softness due to CA. With some colors- the CA can be bizarre.
 
Would a conversion to B&W and "filters" with some software also help with CA in color images or must it be a Monochrom and not a M9 (or M10?)?
 
Not Mine, Neither one! The 50/1.0 is already paid-in-full. The Nokton 50/1.1 is very similar to the 50/1.0 Noctilux- except 1/10th the price. The 50/1.2 Nokton is very sharp, renders beautifully, and focuses to 0.7m. It's about the same size and weight as a Nikkor 50/1.2 Ais.

I wonder if I "need" also the 50/1.2.
 
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