Leica M8.2
Specs
Sensor info
Leica M8.2 comes with a
27 x 18 mm CCD sensor, which has a diagonal of
32.45 mm (1.28") and a surface area of
486.00 mm².
If you want to know about the accuracy of these numbers,
click here.
Actual sensor size
Note: Actual size is set to screen → change »
This is the actual size of the M8.2 sensor: 27 x 18 mm
The sensor has a surface area of 486 mm².
There are approx. 10,300,000 photosites (pixels) on this area.
Pixel pitch, which is a measure of the distance between pixels, is 6.87 µm.
Pixel pitch tells you the distance from the center of one pixel (photosite) to the center of the next.
Pixel or photosite area is 47.2 µm². The larger the photosite, the more light it can capture and the more information can be recorded.
Pixel density tells you how many million pixels fit or would fit in one square cm of the sensor. Leica M8.2 has a pixel density of 2.12 MP/cm².
These numbers are important in terms of assessing the overall quality of a digital camera. Generally, the bigger (and newer) the sensor, pixel pitch and photosite area, and the smaller the pixel density, the better the camera. If you want to see how M8.2 compares to other cameras, click here.
Pixel or photosite area is 47.2 µm². The larger the photosite, the more light it can capture and the more information can be recorded.
Pixel density tells you how many million pixels fit or would fit in one square cm of the sensor. Leica M8.2 has a pixel density of 2.12 MP/cm².
These numbers are important in terms of assessing the overall quality of a digital camera. Generally, the bigger (and newer) the sensor, pixel pitch and photosite area, and the smaller the pixel density, the better the camera. If you want to see how M8.2 compares to other cameras, click here.
Specifications
| Brand: | Leica |
| Model: | M8.2 |
| Effective megapixels: | 10.30 |
| Total megapixels: | 10.30 |
| Sensor size: | 27 x 18 mm |
| Sensor type: | CCD |
| Sensor resolution: | 3930 x 2620 |
| Max. image resolution: | 3936 x 2630 |
| Crop factor: | 1.33 |
| Optical zoom: | |
| Digital zoom: | No |
| ISO: | Auto, 160 - 2500 |
| RAW support: | |
| Manual focus: | |
| Normal focus range: | |
| Macro focus range: | |
| Focal length (35mm equiv.): | |
| Aperture priority: | Yes |
| Max aperture: | |
| Max. aperture (35mm equiv.): | n/a |
| Depth of field: | simulate → |
| Metering: | Centre weighted |
| Exposure Compensation: | ±3 EV (in 1/3 EV steps) |
| Shutter priority: | No |
| Min. shutter speed: | 8 sec |
| Max. shutter speed: | 1/8000 sec |
| Built-in flash: | |
| External flash: | |
| Viewfinder: | Optical (rangefinder) |
| White balance presets: | 6 |
| Screen size: | 2.5" |
| Screen resolution: | 230,000 dots |
| Video capture: | |
| Storage types: | SDHC, Secure Digital |
| USB: | USB 2.0 (480 Mbit/sec) |
| HDMI: | |
| Wireless: | |
| GPS: | |
| Battery: | Lithium-Ion rechargeable battery |
| Weight: | 591 g |
| Dimensions: | 138.6 x 80.2 x 36.9 mm |
| Year: | 2008 |
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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 |
Leica M8.2 diagonal:
w = 27.00 mm
h = 18.00 mm
h = 18.00 mm
| Diagonal = √ | 27.00² + 18.00² | = 32.45 mm |
Surface area
Surface area is calculated by multiplying the width and the height of a sensor.
Width = 27.00 mm
Height = 18.00 mm
Surface area = 27.00 × 18.00 = 486.00 mm²
Width = 27.00 mm
Height = 18.00 mm
Surface area = 27.00 × 18.00 = 486.00 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 |
Leica M8.2 pixel pitch:
Sensor width = 27.00 mm
Sensor resolution width = 3930 pixels
Sensor resolution width = 3930 pixels
| Pixel pitch = | 27.00 | × 1000 | = 6.87 µm |
| 3930 |
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 |
Leica M8.2 pixel area:
Pixel pitch = 6.87 µm
Pixel area = 6.87² = 47.2 µm²
Pixel area = 6.87² = 47.2 µm²
Pixel density
Pixel density can be calculated with the following formula:
You could also use this 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 M8.2 pixel density:
Sensor resolution width = 3930 pixels
Sensor width = 2.7 cm
Pixel density = (3930 / 2.7)² / 1000000 = 2.12 MP/cm²
Sensor width = 2.7 cm
Pixel density = (3930 / 2.7)² / 1000000 = 2.12 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
Leica M8.2 sensor resolution:
Sensor width = 27.00 mm
Sensor height = 18.00 mm
Effective megapixels = 10.30
Resolution horizontal: X × r = 2620 × 1.5 = 3930
Resolution vertical: X = 2620
Sensor resolution = 3930 x 2620
Sensor height = 18.00 mm
Effective megapixels = 10.30
| r = 27.00/18.00 = 1.5 |
|
Resolution vertical: X = 2620
Sensor resolution = 3930 x 2620
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 M8.2 crop factor:
Sensor diagonal = 32.45 mm
| Crop factor = | 43.27 | = 1.33 |
| 32.45 |
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 M8.2 equivalent aperture:
Aperture is a lens characteristic, so it's calculated only for
fixed lens cameras. If you want to know the equivalent aperture for
Leica M8.2, take the aperture of the lens
you're using and multiply it with crop factor.
Crop factor for Leica M8.2 is 1.33
Crop factor for Leica M8.2 is 1.33
Enter your screen size (diagonal)
My screen size is
inches
Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a sensor won't be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a sensor won't be shown correctly.