Ricoh GR II vs. Leica D-Lux (Typ 109)

Comparison

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GR II image
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D-Lux (Typ 109) image
Ricoh GR II Leica D-Lux (Typ 109)
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Megapixels
16.20
12.80
Max. image resolution
4928 x 3264
4112 x 3088

Sensor

Sensor type
CMOS
CMOS
Sensor size
23.6 x 15.7 mm
Four Thirds (17.3 x 13 mm)
Sensor resolution
4929 x 3286
4126 x 3102
Diagonal
28.35 mm
21.64 mm
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 size

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vs
1.65 : 1
(ratio)
Ricoh GR II Leica D-Lux (Typ 109)
Surface area:
370.52 mm² vs 224.90 mm²
Difference: 145.62 mm² (65%)
GR II sensor is approx. 1.65x bigger than D-Lux (Typ 109) sensor.
Pixel pitch
4.79 µm
4.19 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.
Difference: 0.6 µm (14%)
Pixel pitch of GR II is approx. 14% higher than pixel pitch of D-Lux (Typ 109).
Pixel area
22.94 µm²
17.56 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:
vs
Pixel area difference: 5.38 µm² (31%)
A pixel on Ricoh GR II sensor is approx. 31% bigger than a pixel on Leica D-Lux (Typ 109).
Pixel density
4.36 MP/cm²
5.69 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.
Difference: 1.33 µm (31%)
Leica D-Lux (Typ 109) has approx. 31% higher pixel density than Ricoh GR II.
To learn about the accuracy of these numbers, click here.



Specs

Ricoh GR II
Leica D-Lux (Typ 109)
Crop factor
1.53
2
Total megapixels
16.90
16.80
Effective megapixels
16.20
12.80
Optical zoom
1x
3.1x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 100-25600
Auto, 100, 200, 400, 800, 1600, 3200, 6400, 12500 (expands to 25000)
RAW
Manual focus
Normal focus range
30 cm
50 cm
Macro focus range
10 cm
3 cm
Focal length (35mm equiv.)
28 mm
24 - 75 mm
Aperture priority
Yes
Yes
Max. aperture
f2.8 - f16
f1.7 - f2.8
Max. aperture (35mm equiv.)
f4.3 - f24.5
f3.4 - f5.6
Metering
Multi, Center-weighted, Spot
Multi, Center-weighted, Spot
Exposure compensation
±4 EV (in 1/3 EV steps)
±3 EV (in 1/3 EV steps)
Shutter priority
Yes
Yes
Min. shutter speed
300 sec
60 sec
Max. shutter speed
1/4000 sec
1/16000 sec
Built-in flash
External flash
Viewfinder
Optical (optional)
Electronic
White balance presets
10
5
Screen size
3"
3"
Screen resolution
1,230,000 dots
921,000 dots
Video capture
Max. video resolution
1920x1080 (30p/25p/24p)
3840x2160 (30p/24p)
Storage types
SD/SDHC/SDXC
SD/SDHC/SDXC (UHS-I)
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Rechargeable Li-Ion battery DB-65
Li-ion Battery Pack
Weight
251 g
405 g
Dimensions
117 x 63 x 35 mm
117.8 x 66.2 x 55 mm
Year
2015
2014




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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

Ricoh GR II diagonal

w = 23.60 mm
h = 15.70 mm
Diagonal =  23.60² + 15.70²   = 28.35 mm

Leica D-Lux (Typ 109) diagonal

w = 17.30 mm
h = 13.00 mm
Diagonal =  17.30² + 13.00²   = 21.64 mm


Surface area

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

GR II sensor area

Width = 23.60 mm
Height = 15.70 mm

Surface area = 23.60 × 15.70 = 370.52 mm²

D-Lux (Typ 109) sensor area

Width = 17.30 mm
Height = 13.00 mm

Surface area = 17.30 × 13.00 = 224.90 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

GR II pixel pitch

Sensor width = 23.60 mm
Sensor resolution width = 4929 pixels
Pixel pitch =   23.60  × 1000  = 4.79 µm
4929

D-Lux (Typ 109) pixel pitch

Sensor width = 17.30 mm
Sensor resolution width = 4126 pixels
Pixel pitch =   17.30  × 1000  = 4.19 µm
4126


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

GR II pixel area

Pixel pitch = 4.79 µm

Pixel area = 4.79² = 22.94 µm²

D-Lux (Typ 109) pixel area

Pixel pitch = 4.19 µm

Pixel area = 4.19² = 17.56 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

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

GR II pixel density

Sensor resolution width = 4929 pixels
Sensor width = 2.36 cm

Pixel density = (4929 / 2.36)² / 1000000 = 4.36 MP/cm²

D-Lux (Typ 109) pixel density

Sensor resolution width = 4126 pixels
Sensor width = 1.73 cm

Pixel density = (4126 / 1.73)² / 1000000 = 5.69 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.

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

GR II sensor resolution

Sensor width = 23.60 mm
Sensor height = 15.70 mm
Effective megapixels = 16.20
r = 23.60/15.70 = 1.5
X =  16.20 × 1000000  = 3286
1.5
Resolution horizontal: X × r = 3286 × 1.5 = 4929
Resolution vertical: X = 3286

Sensor resolution = 4929 x 3286

D-Lux (Typ 109) sensor resolution

Sensor width = 17.30 mm
Sensor height = 13.00 mm
Effective megapixels = 12.80
r = 17.30/13.00 = 1.33
X =  12.80 × 1000000  = 3102
1.33
Resolution horizontal: X × r = 3102 × 1.33 = 4126
Resolution vertical: X = 3102

Sensor resolution = 4126 x 3102


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


GR II crop factor

Sensor diagonal in mm = 28.35 mm
Crop factor =   43.27  = 1.53
28.35

D-Lux (Typ 109) crop factor

Sensor diagonal in mm = 21.64 mm
Crop factor =   43.27  = 2
21.64

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).

GR II equivalent aperture

Crop factor = 1.53
Aperture = f2.8 - f16

35-mm equivalent aperture = (f2.8 - f16) × 1.53 = f4.3 - f24.5

D-Lux (Typ 109) equivalent aperture

Crop factor = 2
Aperture = f1.7 - f2.8

35-mm equivalent aperture = (f1.7 - f2.8) × 2 = f3.4 - f5.6

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