Ricoh GR IIIx vs. Leica Q2
Comparison
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| Ricoh GR IIIx | Leica Q2 | ||||
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Megapixels
24.24
47.30
Max. image resolution
6000 x 4000
8368 x 5584
Sensor
Sensor type
CMOS
CMOS
Sensor size
23.5 x 15.6 mm
36 x 24 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 »
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
Note: Actual size is set to screen → change »
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| 1 | : | 2.36 |
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| Ricoh GR IIIx | Leica Q2 | |
Surface area:
| 366.60 mm² | vs | 864.00 mm² |
Difference: 497.4 mm² (136%)
Q2 sensor is approx. 2.36x bigger than GR IIIx sensor.
Note: You are comparing cameras of different generations.
There is a 2 year gap between Ricoh GR IIIx (2021) and Leica Q2 (2019).
All things being equal, newer sensor generations generally outperform the older.
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.
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 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.
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: 3.18 µm² (21%)
A pixel on Leica Q2 sensor is approx. 21% bigger than a pixel on Ricoh GR IIIx.
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.
Higher pixel density means smaller pixels and lower pixel density means larger pixels.
To learn about the accuracy of these numbers,
click here.
Specs
Ricoh GR IIIx
Leica Q2
Total megapixels
50.40
Effective megapixels
24.24
47.30
Optical zoom
1x
1x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 100-102400
Auto, 50-50000
RAW
Manual focus
Normal focus range
20 cm
30 cm
Macro focus range
12 cm
17 cm
Focal length (35mm equiv.)
40 mm
28 mm
Aperture priority
Yes
Yes
Max. aperture
f2.8
f1.7
Metering
Multi, Center-weighted, Highlight-weighted, Spot
Multi, Center-weighted, Spot
Exposure compensation
±5 EV (in 1/3 EV steps)
±3 EV (in 1/3 EV steps)
Shutter priority
Yes
Yes
Min. shutter speed
30 sec
60 sec
Max. shutter speed
1/4000 sec
1/40000 sec
Built-in flash
External flash
Viewfinder
Electronic and Optical (optional)
Electronic
White balance presets
8
5
Screen size
3"
3"
Screen resolution
1,036,800 dots
1,040,000 dots
Video capture
Max. video resolution
1920x1080 (60p/30p/24p)
4096x2160 (24p)
Storage types
SD/SDHC/SDXC
SD/SDHC/SDXC
USB
USB 3.0 (5 GBit/sec)
HDMI
Wireless
GPS
Battery
DB-110 lithium-ion battery
BP-SCL4 Lithium-ion battery
Weight
262 g
734 g
Dimensions
109.4 x 61.9 x 35.2 mm
130 x 80 x 91.9 mm
Year
2021
2019
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Diagonal
Diagonal is calculated by the use of Pythagorean theorem:
where w = sensor width and h = sensor height
| Diagonal = √ | w² + h² |
Ricoh GR IIIx diagonal
w = 23.50 mm
h = 15.60 mm
h = 15.60 mm
| Diagonal = √ | 23.50² + 15.60² | = 28.21 mm |
Leica Q2 diagonal
w = 36.00 mm
h = 24.00 mm
h = 24.00 mm
| Diagonal = √ | 36.00² + 24.00² | = 43.27 mm |
Surface area
Surface area is calculated by multiplying the width and the height of a sensor.
GR IIIx sensor area
Width = 23.50 mm
Height = 15.60 mm
Surface area = 23.50 × 15.60 = 366.60 mm²
Height = 15.60 mm
Surface area = 23.50 × 15.60 = 366.60 mm²
Q2 sensor area
Width = 36.00 mm
Height = 24.00 mm
Surface area = 36.00 × 24.00 = 864.00 mm²
Height = 24.00 mm
Surface area = 36.00 × 24.00 = 864.00 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 IIIx pixel pitch
Sensor width = 23.50 mm
Sensor resolution width = 6051 pixels
Sensor resolution width = 6051 pixels
| Pixel pitch = | 23.50 | × 1000 | = 3.88 µm |
| 6051 |
Q2 pixel pitch
Sensor width = 36.00 mm
Sensor resolution width = 8423 pixels
Sensor resolution width = 8423 pixels
| Pixel pitch = | 36.00 | × 1000 | = 4.27 µm |
| 8423 |
Pixel area
The area of one pixel can be calculated by simply squaring the pixel pitch:
You could also divide sensor surface area with effective megapixels:
Pixel area = pixel pitch²
You could also divide sensor surface area with effective megapixels:
| Pixel area = | sensor surface area in mm² |
| effective megapixels |
GR IIIx pixel area
Pixel pitch = 3.88 µm
Pixel area = 3.88² = 15.05 µm²
Pixel area = 3.88² = 15.05 µm²
Q2 pixel area
Pixel pitch = 4.27 µm
Pixel area = 4.27² = 18.23 µm²
Pixel area = 4.27² = 18.23 µm²
Pixel density
Pixel density can be calculated with the following formula:
One could also use this 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 IIIx pixel density
Sensor resolution width = 6051 pixels
Sensor width = 2.35 cm
Pixel density = (6051 / 2.35)² / 1000000 = 6.63 MP/cm²
Sensor width = 2.35 cm
Pixel density = (6051 / 2.35)² / 1000000 = 6.63 MP/cm²
Q2 pixel density
Sensor resolution width = 8423 pixels
Sensor width = 3.6 cm
Pixel density = (8423 / 3.6)² / 1000000 = 5.47 MP/cm²
Sensor width = 3.6 cm
Pixel density = (8423 / 3.6)² / 1000000 = 5.47 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:
3. To get sensor resolution we then multiply X with the corresponding ratio:
Resolution horizontal: X × r
Resolution vertical: X
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 → |
|
Resolution horizontal: X × r
Resolution vertical: X
GR IIIx sensor resolution
Sensor width = 23.50 mm
Sensor height = 15.60 mm
Effective megapixels = 24.24
Resolution horizontal: X × r = 4007 × 1.51 = 6051
Resolution vertical: X = 4007
Sensor resolution = 6051 x 4007
Sensor height = 15.60 mm
Effective megapixels = 24.24
| r = 23.50/15.60 = 1.51 |
|
Resolution vertical: X = 4007
Sensor resolution = 6051 x 4007
Q2 sensor resolution
Sensor width = 36.00 mm
Sensor height = 24.00 mm
Effective megapixels = 47.30
Resolution horizontal: X × r = 5615 × 1.5 = 8423
Resolution vertical: X = 5615
Sensor resolution = 8423 x 5615
Sensor height = 24.00 mm
Effective megapixels = 47.30
| r = 36.00/24.00 = 1.5 |
|
Resolution vertical: X = 5615
Sensor resolution = 8423 x 5615
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 IIIx crop factor
Sensor diagonal in mm = 28.21 mm
| Crop factor = | 43.27 | = 1.53 |
| 28.21 |
Q2 crop factor
Sensor diagonal in mm = 43.27 mm
| Crop factor = | 43.27 | = 1 |
| 43.27 |
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 IIIx equivalent aperture
Crop factor = 1.53
Aperture = f2.8
35-mm equivalent aperture = (f2.8) × 1.53 = f4.3
Aperture = f2.8
35-mm equivalent aperture = (f2.8) × 1.53 = f4.3
Q2 equivalent aperture
Crop factor = 1
Aperture = f1.7
35-mm equivalent aperture = (f1.7) × 1 = f1.7
Aperture = f1.7
35-mm equivalent aperture = (f1.7) × 1 = f1.7
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If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a sensor won't be shown correctly.