james.liam
Well-known
Colors seem on the cooler side.
raid
Dad Photographer
Doesn’t the sensor also play role in color rendering?
Bill Blackwell
Leica M Shooter
That seems to be the way CV and ZM lenses typically render. The exception is the CV 40mm Nokton f/1.2, which generally renders with very deep blues.Colors seem on the cooler side.

Leica M10-P
40mm CV Nokton f/1.2
Bill Blackwell
Leica M Shooter
Yes, and the lens profile you're using too. But the lens does have it's built-in characteristics.Doesn’t the sensor also play role in color rendering?
raid
Dad Photographer
I thought so, Bill. It is a combination of sensor and lens and camera settings. I have not had the chance to explore this lens in different light settings.
raid
Dad Photographer
That seems to be the way CV and ZM lenses typically render. The exception is the CV 40mm Nokton f/1.2, which generally renders with very deep blues.
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Leica M10-P
40mm CV Nokton f/1.2
The Made in China Summicron V1 replica that I got shows renders in deep blue.
james.liam
Well-known
I thought so, Bill. It is a combination of sensor and lens and camera settings. I have not had the chance to explore this lens in different light settings.
Any lens will have its native signature but contrast and saturation being mutable in Lightroom makes the issue less meaningful. Nikkor lenses are likewise cooler in rendering, something I was never partial toward in film days.
aizan
Veteran
Put a KR1.5 skylight filter instead of a regular haze filter if you want a warmer look. Easy as pie. 
raid
Dad Photographer
I used today the CV APO lens at around 4:30 PM. I set the ISO to 200 and the aperture was mostly 8.





raid
Dad Photographer
The colors look natural to me, as Brian has said above.




raid
Dad Photographer
I shot against the sun here. I used the CV matched lens hood here 

Bill Blackwell
Leica M Shooter
Meaning no disrespect to anyone, the only images I find at all impressive are the B&W closeups posted by Ccoppola82. I'm not impressed by its color renditions.
raid
Dad Photographer
Bill: the images by CCoppola82 are excellent overall. Do you mean that the color rendition is bad for this lens or that the posted color images are not artistic or well composed? With a new lens, the first images taken are just to try out the lens.
Bill Blackwell
Leica M Shooter
I realize these are primarily test shots, but that's not what I was referring to. What I meant was I'm not impressed with the lens itself - how it renders colors. The Monochrom images seem outstanding though.Bill: the images by CCoppola82 are excellent overall. Do you mean that the color rendition is bad for this lens or that the posted color images are not artistic or well composed? With a new lens, the first images taken are just to try out the lens.
nickthetasmaniac
Veteran
What I meant was I'm not impressed with the lens itself - how it renders colors.
I honestly don't understand how you can judge a lens' colour rendition from random jpeg snapshots. There's simply too many variables involved, most of which are not the lens (the scene itself, the sensor, the camera, the processing software, the photographer and their editing choices).
Short of a controlled side by side comparison it just seems like a pointless exercise?
lukx
Well-known
I honestly don't understand how you can judge a lens' colour rendition from random jpeg snapshots. There's simply too many variables involved, most of which are not the lens (the scene itself, the sensor, the camera, the processing software, the photographer and their editing choices).
Short of a controlled side by side comparison it just seems like a pointless exercise?
I agree, the workflow is so digital these days, with so many ways to manipulate camera output (hardware, software profiles, white balance) and final image file (Lightroom settings) that any comparison of lens-specific color hues seems moot to me. One would have to do strictly standardized tests with fixed settings, possibly using only artificial light, to get somewhat comparable results.
Even when shooting film you will get deceiving results as soon as you digitize in any way. The only 'real' way to make such comparison would be darkroom color prints, and who still makes those anymore?!
Rendering, sharpness, falloff and such can of course be compared much better, so these test images serve a purpose nevertheless. The lens seems to fare well in those categories.
WJJ3
Well-known
Maybe if you shoot color slides and project them you could say this or that about the color reproduction of this lens being cool or warm or whatever, but who actually does that? Any other color workflow is going to digitize the image and at that step the lens color reproduction is moot.
I bought this lens to use primarily on the M Monochrom. The Leica APO-Summicron was brought out with the M Monochrom, where the optical properties for color correction are most important. You cannot "defringe" a monochrome image once the image has been taken. I've been using it on the M9- which is more reliable in the very cold weather that we've been having.
You can compare color rendering between two lenses shot using the same digital camera with the same corrections used in post. I tend to do straight from Lightroom to JPEG, no corrections applied, no lens profile applied.
These images were shot within the time I could change lenses. M9, tripod mounted. Same Schneider UV filter on each.
1949 Nikkor-SC 5cm F1.5, wide-open.

1943 Carl Zeiss Jena 5cm F1.5 Sonnar, wide-open, original LTM.

The color rendering is very different. The Zeiss lens has much more contrast, and is sharper. The color rendering is on the cool side.
You can compare color rendering between two lenses shot using the same digital camera with the same corrections used in post. I tend to do straight from Lightroom to JPEG, no corrections applied, no lens profile applied.
These images were shot within the time I could change lenses. M9, tripod mounted. Same Schneider UV filter on each.
1949 Nikkor-SC 5cm F1.5, wide-open.

1943 Carl Zeiss Jena 5cm F1.5 Sonnar, wide-open, original LTM.

The color rendering is very different. The Zeiss lens has much more contrast, and is sharper. The color rendering is on the cool side.
raid
Dad Photographer
Using different digital cameras with the same lens can give different color results. I doubt it that a new CV developed lens to be optimal with the monochrom only.
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