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In Depth Lens Tests: Leica Summicron-C vs Leica Summilux-C

  • January 13, 2016
  • Shane Hurlbut, ASC
In Depth Lens Tests: Leica Summicron-C vs Leica Summilux-C


@shanehurlbutasc

Today we are comparing Leica Summicron-C lenses to Leica Summilux-C lenses. We will be looking at similarities and differences between the lenses. It’s important to compare lenses so you can really find how each lens reads your talent.

Leica Summicron-C 21/75mm VS Leica Summilux-C 21/75mm

Here are the specs:

image003

We are going to compare the ungraded look of the Leica Summicron-Cs with the Leica Summilux-C lenses so you can really see the different warmth of the lenses.

Here we have an ungraded image of our model Monette taken with the 21mm Summicron.

Summicron 21mm, ungraded
Summicron 21mm, ungraded

Below we have our 21mm Summilux result.

Summilux 21mm, ungraded
Summilux 21mm, ungraded
Side by side comparison of Summicron 21mm vs Summilux 21mm, both ungraded
Side by side comparison of Summicron 21mm vs Summilux 21mm, both ungraded

If you look at the two results side by side, the Summilux is warmer and has more yellow than the Summicron. The Summicron is a much whiter lens.

Another thing to note is that the background of the Summilux is brought to the foreground and has a flatness to it. It loses that three dimensional quality, but is sharper than the Summicron. The difference is subtle, but if you look at her face, you can see the Summilux has more sharpness than the Summicron. The curb in the background also looks closer to her with the Summilux.

Notice the background, details on her face, and how each lens reads color.
Notice the background, details on her face, and how each lens reads color.

Here’s the graded version. On this grade, the color is extreme because that was the direction we were going for with Into the Badlands. The color grade helps us see the contrast of the lenses.

Summicron 21mm, color graded
Leica Summicron 21mm, color graded
Summilux 21mm, color graded
Leica Summilux 21mm, color graded
Side by side comparison, Summicron 21mm and Summilux 21mm, both color graded
Side by side comparison, Leica Summicron 21mm and Leica Summilux 21mm, both color graded

You can see that with the color grade, the Summilux is still a lot more yellow, and the Summicron is still a whiter lens.

The background looks pretty similar with both lenses. The flatness is there, and the background with the Summilux still seems closer to the foreground. When looking at contrast, the Summicron seems to have a little more contrast than the Summilux. The Summicron is more saturated, so that’s why it has more contrast.

Notice the Summicron has more saturation and contrast, and the Summilux still has a flatter image.
Notice the Leica Summicron has more saturation and contrast, and the Leica Summilux still has a flatter image.

Now we have the close-ups, shot with a 75mm Summicron and 75mm Summilux lens. For the close up ungraded image with the Summicron, notice the whiter image from this lens.

Summicron 75mm, ungraded
Leica Summicron 75mm, ungraded

With the Summilux, notice the yellow of the lens.

Summilux 75mm, ungraded
Leica Summilux 75mm, ungraded

In the side by side comparison, it is really apparent that the Summilux lens has a lot more yellow than the Summicron.

Side by side comparison: Summicron 75mm and Summilux 75mm
Side by side comparison: Summicron 75mm and Summilux 75mm
Note the Summilux has more of a yellow color.
Note the  LeicaSummilux has more of a yellow color.

Here is the graded version so we can see the contrast better.

Summicron 75mm, graded
Leica Summicron 75mm, graded
Summilux 75mm, ungraded
Leica Summilux 75mm, ungraded

The 75mm Summilux looks less yellow than the 21mm Summilux, but both Summilux lenses still look more yellow than the Summicrons. With the side by side comparison below, what I’m seeing just in the 75mm is that the Summilux is flatter. Looking at her face, her face is flatter with the 75mm Summilux than it is with the 75mm Summicron.

With the Summicron, if you look at camera left over her right shoulder at the bokeh, we are seeing the blades of the iris and the bokeh is doing some stop signing.

Side by side comparison: Summicron 75mm graded, Summilux 75mm graded
Side by side comparison: Leica Summicron 75mm graded, Leica Summilux 75mm graded
Notice the difference of how the bokeh looks with the Summicron vs with the Summilux
Notice the difference of how the bokeh looks with the Leica Summicron vs with the Leica Summilux

The Summicron felt creamier. It wasn’t so hyper sharp. We knew we were dealing with a fast shooting tv show, and we were shooting in New Orleans where it’s humid. People would be sweating, and the makeup on the talent would be affected by this, so we wanted to use creamier, less hyper sharp lenses.

When shooting with the Summicron lenses, I felt like I was shooting with Panavision Primo lenses. The qualities I love with the Panavision Primos, I saw with the Summicron lenses both onscreen and while shooting with them. There was detail, creaminess, but still a sharpness.

Taking the Lenses to the Backyard

Now we’re set up in the backyard. Monette is backlit, and there are flowers in the background, so we can look at the contrast and color with the lenses. Here are ungraded images with the 75mm Summicron lens and the 75mm Summilux lens.

Summicron 75mm, ungraded
Leica Summicron 75mm, ungraded
Summilux 75mm, ungraded
Leica Summilux 75mm, ungraded
Side by side comparison of 75mm Summicron and 75mm Summilux, both ungraded
Side by side comparison of 75mm Summicron and 75mm Summilux, both ungraded

Again, the Summicrons seem more neutral and white, and the Summilux looks more yellow. Monette’s face has more yellow with the Summilux.

Now let’s look at our graded version.

Summicron 75mm, graded
Leica Summicron 75mm, graded
Summilux 75mm, graded
Leica Summilux 75mm, graded
Side by side comparison, Summicron 75mm and Summilux 75mm, both graded
Side by side comparison, Leica Summicron 75mm and Leica Summilux 75mm, both graded

With the Summilux, you can immediately see a sharpness. She’s definitely sharper on her face, and if you look underneath her chin, you can see much more detail and definition with the Summilux. The Summilux is a sharper piece of glass, and the Summicron tends to cream out her face and there is less detail with that lens.

Her chin and under her chin have less detail with the Summicron lens.
Her chin and under her chin have less detail with the Leica Summicron lens.

At the Corral, a Less Controlled Environment

Next, we took the Summicron and Summilux lenses into the corral, where we have a lot of white warmish bounce coming off of the ground. Starting with our 21mm lenses, we have our Summicron and Summilux 21mm ungraded images.

Summicron 21mm, ungraded
Leica Summicron 21mm, ungraded
Summilux 21mm, ungraded
Leica Summilux 21mm, ungraded
Side by side comparison, Summicron 21mm and Summilux 21mm, both ungraded
Side by side comparison, Leica Summicron 21mm and Leica Summilux 21mm, both ungraded

Looking at the background, I see a little size difference with the lenses. With the Summilux, the background seems closer and the image is flatter. The Summilux brings the fence line and all the trees closer. It’s a subtle difference because both lenses are engineered with computers to be as flat as possible.

Moving onto the graded versions:

Summicron 21mm, color graded
Leica Summicron 21mm, color graded
21mm Summilux, color graded
Leica Summilux 21mm, color graded
Side by side comparison, Summicron 21mm and Summilux 21mm, both color graded
Side by side comparison, Leica Summicron 21mm and Leica Summilux 21mm, both color graded

Looking at the side by side, the Summilux still looks more yellow. The flatness looks about the same, but the Summilux makes her look younger than the Summicron. You can really see how much younger she looks with the Summilux with the 75mm lens comparison.

Summicron 75mm, ungraded
Leica Summicron 75mm, ungraded

Notice that with the Summicron, Monette’s wrinkles look a slight bit more pronounced, making her look older than she looks with the Summilux.

Summilux 75mm, ungraded
Leica Summilux 75mm, ungraded
Side by side comparison, Summicron 75mm and Summilux 75mm, ungraded
Side by side comparison, Leica Summicron 75mm and Leica Summilux 75mm, ungraded

Looking at the side by side comparison, you really can see that she looks younger with the Summilux lens.

Monette’s face looks younger with the Summilux. Note her face looks more full and wider. Because of the glass being engineered to be more flat, her face is wider than with the Summicron.
Monette’s face looks younger with the Leica Summilux. Note her face looks more full and wider. Because of the glass being engineered to be more flat, her face is wider than with the Leica Summicron.

You can also see this with the graded version of the 75mm lens comparison.

Summicron 75mm, color graded
Leica Summicron 75mm, color graded
Summilux 75mm, color graded
Leica Summilux 75mm, color graded
Side by side comparison, Summicron 75mm and Summilux 75mm, both color graded
Side by side comparison, Leica Summicron 75mm and Leica Summilux 75mm, both color graded

With the Summilux, her face looks more filled out, making her look younger than she looks with the Summicron 75mm. The Summicron makes her look more sophisticated. It’s strange, but these are the kind of things you look for when you’re comparing lens tests. To sum up these lenses:

Leica Summicron-C:
● Makes Monette look a bit older when compared to how she looks with the Leica Summilux lens
● Is a whiter lens
● Creamier, not as hyper sharp as the Summilux
● More saturated, more contrast
● Slightly more three dimensional

Leica Summilux-C:
● Makes Monette look younger when compared to how she looks with the Leica Summicron lens
● Is a yellower lens
● Sharper than the Summicron
● A little less saturated, less contrast
● Flatter, slightly less three dimensional

Technical Specs:

Leica Summicron C Lenses
image077

Leica Summilux C Lenses
image079

All videos were edited on HP Z840 workstations using HP Z24x DreamColor monitors.

  • Badlands
  • Camera
  • Close-up
  • Color
  • HP
  • Leica
  • Leica Summicron
  • Leica Summilux
  • Lens
  • lens test
  • Lenses
  • Light
  • Musicbed
  • Summicron
  • Summilux

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