Leica D-Lux 6 vs. Panasonic Lumix DMC-LX7

Comparison

D-Lux 6 image
vs.
Lumix DMC-LX7 image

Comparison

Leica D-Lux 6 Panasonic Lumix DMC-LX7
Megapixels
10.10 10.10
Max. resolution
3648 x 2736 3648 x 2736
Price
Amazon, B&H Photo, Adorama Amazon, B&H Photo, Adorama

Sensor

Sensor type
CMOS CMOS
Sensor size
1/1.7" (~ 7.53 x 5.64 mm) 1/1.7" (~ 7.53 x 5.64 mm)
Sensor resolution
3678 x 2745  3678 x 2745 
Diagonal
9.41 mm  9.41 mm 
Surface area
42.47 mm²  42.47 mm² 
Sensor size comparison
Sensor size is generally a good indicator of the quality of the camera. Sensors can vary greatly in size. As a general rule, the bigger the sensor, the better the image quality.

Bigger sensors are more effective, because they have more surface area to capture light. An important factor when comparing digital cameras is also camera generation. Generally, newer sensors will outperform the older.

Learn more about sensor sizes »
Actual sensor sizes:
Leica D-Lux 6
vs.
Panasonic Lumix DMC-LX7
 
Surface area:
Leica D-Lux 6
Panasonic Lumix DMC-LX7
Difference: 0 mm² (0%)
Leica D-Lux 6 and Panasonic Lumix DMC-LX7 have the same surface area.
Pixel pitch
2.05 µm  2.05 µm 
Pixel pitch tells you the distance from the center of one pixel (photosite) to the center of the next. It tells you how close the pixels are to each other.

The bigger the pixel pitch, the further apart they are and the bigger each pixel is. Bigger pixels tend to have better signal to noise ratio and greater dynamic range.
Pixel pitch
Leica D-Lux 6
Panasonic Lumix DMC-LX7
Difference: 0 µm (0%)
Leica D-Lux 6 and Panasonic Lumix DMC-LX7 have the same pixel pitch.
Pixel area
4.2 µm²  4.2 µm² 
Pixel or photosite area affects how much light per pixel can be gathered. The larger it is the more light can be collected by a single pixel.

Larger pixels have the potential to collect more photons, resulting in greater dynamic range, while smaller pixels provide higher resolutions (more detail) for a given sensor size.
Relative pixel sizes:
Leica D-Lux 6
vs.
Panasonic Lumix DMC-LX7
Pixel area difference: 0 µm² (0%)
Leica D-Lux 6 and Panasonic Lumix DMC-LX7 have the same pixel area.
Pixel density
23.86 MP/cm²  23.86 MP/cm² 
Pixel density tells you how many million pixels fit or would fit in one square cm of the sensor.

Higher pixel density means smaller pixels and lower pixel density means larger pixels.
Pixel density
Leica D-Lux 6
Panasonic Lumix DMC-LX7
Difference: 0 MP/cm² (0%)
Leica D-Lux 6 and Panasonic Lumix DMC-LX7 have the same pixel density.
To learn about the accuracy of these numbers, click here.

Other specifications

Crop factor
4.6  4.6 
Total megapixels
12.70 12.80
Effective megapixels
10.10 10.10
Optical zoom
3.8x 3.8x
Digital zoom
Yes Yes
Iso
Auto, 80, 100, 200, 400, 800, 1600, 3200, 6400, (12800 with boost) Auto, 80, 100, 200, 400, 800, 1600, 3200, 6400, (12800 with boost)
Auto focus
Yes Yes
Manual focus
Yes Yes
Normal focus range
50 cm n/a
Macro focus range
1 cm n/a
Focal length (35mm equiv.)
24 -€“ 90 mm 24 - 90 mm
Aperture priority
Yes Yes
Aperture
f1.4 - f2.3 f1.4 - f2.3
Aperture (35mm equiv.)
f6.4 - f10.6  f6.4 - f10.6 
Metering
Multi, Center-weighted, Spot Multi, Center-weighted, Spot
Exposure compensation
±3 EV (at 1/3 EV steps) ±3 EV (at 1/3 EV steps)
Shutter priority
Yes Yes
Min. shutter speed
60 sec 60 sec
Max. shutter speed
1/4000 sec 1/4000 sec
Flash modes
Auto, On, Off, Red-Eye, Slow Sync Auto, On, Off, Red-Eye, Slow Sync
Built-in flash
Yes Yes
External flash
Yes Yes
Viewfinder
Electronic (optional) Electronic (optional)
White balance presets
5 5
LCD display
Yes Yes
LCD size
3" 3"
LCD resolution
920,000 920,000
Min. image resolution
640 x 480 480 x 480
Selftimer
Yes Yes
Storage types
SD/SDHC/SDXC, Internal SD/SDHC/SDXC, Internal
USB
USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
Batteries
Lithium-Ion rechargeable battery & charger Lithium-Ion rechargeable battery & charger
Weight
296g 298g
Dimensions
110.5x67.1x46.6 mm 111x68x46 mm
Year
2012 2012



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Diagonal

Diagonal is calculated by the use of Pythagorean theorem:
Diagonal =  w² + h²
where w = sensor width and h = sensor height

Leica D-Lux 6 diagonal

The diagonal of Leica D-Lux 6 image sensor is not 1/1.7 inch as you might expect, but approximately two thirds of that value. If you want to know why, see sensor sizes.

w = 7.53 mm
h = 5.64 mm
Diagonal =  7.53² + 5.64²   = 9.41 mm

Panasonic Lumix DMC-LX7 diagonal

The diagonal of Panasonic Lumix DMC-LX7 image sensor is not 1/1.7 inch as you might expect, but approximately two thirds of that value. If you want to know why, see sensor sizes.

w = 7.53 mm
h = 5.64 mm
Diagonal =  7.53² + 5.64²   = 9.41 mm


Surface area

Surface area is calculated by multiplying the width and the height of a sensor.

Leica D-Lux 6 surface area

Width = 7.53 mm
Height = 5.64 mm

Surface area = 7.53 × 5.64 = 42.47 mm²

Panasonic Lumix DMC-LX7 surface area

Width = 7.53 mm
Height = 5.64 mm

Surface area = 7.53 × 5.64 = 42.47 mm²


Pixel pitch

Pixel pitch is the distance from the center of one pixel to the center of the next measured in micrometers (µm). It can be calculated with the following formula:
Pixel pitch =   sensor width in mm  × 1000
sensor resolution width in pixels

Leica D-Lux 6 pixel pitch

Sensor width = 7.53 mm
Sensor resolution width = 3678 pixels
Pixel pitch =   7.53  × 1000  = 2.05 µm
3678

Panasonic Lumix DMC-LX7 pixel pitch

Sensor width = 7.53 mm
Sensor resolution width = 3678 pixels
Pixel pitch =   7.53  × 1000  = 2.05 µm
3678


Pixel area

The area of one pixel can be calculated by simply squaring the pixel pitch:
Pixel area = pixel pitch²

You could also divide sensor surface area with effective megapixels:
Pixel area =   sensor surface area in mm²
effective megapixels

Leica D-Lux 6 pixel area

Pixel pitch = 2.05 µm

Pixel area = 2.05² = 4.2 µm²

Panasonic Lumix DMC-LX7 pixel area

Pixel pitch = 2.05 µm

Pixel area = 2.05² = 4.2 µm²


Pixel density

Pixel density can be calculated with the following formula:
Pixel density =  ( sensor resolution width in pixels )² / 1000000
sensor width in cm

You could also use this formula:
Pixel density =   effective megapixels × 1000000  / 10000
sensor surface area in mm²

Leica D-Lux 6 pixel density

Sensor resolution width = 3678 pixels
Sensor width = 0.753 cm

Pixel density = (3678 / 0.753)² / 1000000 = 23.86 MP/cm²

Panasonic Lumix DMC-LX7 pixel density

Sensor resolution width = 3678 pixels
Sensor width = 0.753 cm

Pixel density = (3678 / 0.753)² / 1000000 = 23.86 MP/cm²


Sensor resolution

Sensor resolution is calculated from sensor size and effective megapixels. It's slightly higher than maximum (not interpolated) image resolution which is usually stated on camera specifications. Sensor resolution is used in pixel pitch, pixel area, and pixel density formula. For sake of simplicity, we're going to calculate it in 3 stages.

1. First we need to find the ratio between horizontal and vertical length by dividing the former with the latter (aspect ratio). It's usually 1.33 (4:3) or 1.5 (3:2), but not always. 22.8 × 15.5 sensor for example has a ratio of 1.47.

2. With the ratio (r) known we can calculate the X from the formula below, where X is a vertical number of pixels:
(X × r) × X = effective megapixels × 1000000    →   
X =  effective megapixels × 1000000
r
3. To get sensor resolution we then multiply X with the corresponding ratio:

Resolution horizontal: X × r
Resolution vertical: X

Leica D-Lux 6 sensor resolution

Sensor width = 7.53 mm
Sensor height = 5.64 mm
Effective megapixels = 10.10
r = 7.53/5.64 = 1.34
X =  10.10 × 1000000  = 2745
1.34
Resolution horizontal: X × r = 2745 × 1.34 = 3678
Resolution vertical: X = 2745

Sensor resolution = 3678 x 2745

Panasonic Lumix DMC-LX7 sensor resolution

Sensor width = 7.53 mm
Sensor height = 5.64 mm
Effective megapixels = 10.10
r = 7.53/5.64 = 1.34
X =  10.10 × 1000000  = 2745
1.34
Resolution horizontal: X × r = 2745 × 1.34 = 3678
Resolution vertical: X = 2745

Sensor resolution = 3678 x 2745


Crop factor

Crop factor or focal length multiplier is calculated by dividing the diagonal of 35 mm film (43.27 mm) with the diagonal of the sensor.
Crop factor =   43.27 mm
sensor diagonal in mm


Leica D-Lux 6 crop factor

Sensor diagonal in mm = 9.41 mm
Crop factor =   43.27  = 4.6
9.41

Panasonic Lumix DMC-LX7 crop factor

Sensor diagonal in mm = 9.41 mm
Crop factor =   43.27  = 4.6
9.41

35 mm equivalent aperture

Equivalent aperture (in 135 film terms) is calculated by multiplying lens aperture with crop factor (a.k.a. focal length multiplier).

Leica D-Lux 6 equivalent aperture

Crop factor = 4.6
Aperture = f1.4 - f2.3

35-mm equivalent aperture = (f1.4 - f2.3) × 4.6 = f6.4 - f10.6

Panasonic Lumix DMC-LX7 equivalent aperture

Crop factor = 4.6
Aperture = f1.4 - f2.3

35-mm equivalent aperture = (f1.4 - f2.3) × 4.6 = f6.4 - f10.6


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