Minox Classic Leica M3 5MP vs. Contax N Digital
Comparison
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| Minox Classic Leica M3 5MP | Contax N Digital | ||||
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Megapixels
3.20
6.00
Max. image resolution
2060 x 1920
3008 x 2008
Sensor
Sensor type
CMOS
CCD
Sensor size
1/2" (~ 6.4 x 4.8 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 | : | 28.13 |
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| Minox Classic Leica M3 5MP | Contax N Digital | |
Surface area:
| 30.72 mm² | vs | 864.00 mm² |
Difference: 833.28 mm² (2713%)
N sensor is approx. 28.13x bigger than Classic Leica M3 5MP sensor.
Note: You are comparing cameras of different generations.
There is a 4 year gap between Minox Classic Leica M3 5MP (2004) and Contax N (2000).
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: 134.39 µm² (1398%)
A pixel on Contax N sensor is approx. 1398% bigger than a pixel on Minox Classic Leica M3 5MP.
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
Minox Classic Leica M3 5MP
Contax N
Total megapixels
6.29
Effective megapixels
6.00
Optical zoom
No
Digital zoom
Yes
No
ISO sensitivity
Auto
100, 200, 400, 800, 1600
RAW
Manual focus
Normal focus range
50 cm
Macro focus range
Focal length (35mm equiv.)
42 mm
Aperture priority
No
Yes
Max. aperture
f3
Metering
Centre weighted
Centre weighted, Matrix, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV, 1/2 EV steps)
Shutter priority
No
Yes
Min. shutter speed
32 sec
Max. shutter speed
1/8000 sec
Built-in flash
External flash
Viewfinder
Optical
Optical (pentaprism)
White balance presets
6
Screen size
1.5"
2"
Screen resolution
200,000 dots
Video capture
Max. video resolution
Storage types
Secure Digital
CompactFlash type I, CompactFlash type II, Microdrive
USB
USB 2.0 (480 Mbit/sec)
USB 1.0
HDMI
Wireless
GPS
Battery
Li-Ion
Lithium-Ion rechargeable
Weight
1000 g
Dimensions
74 x 47 x 44 mm
152 x 138 x 79.5 mm
Year
2004
2000
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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 |
Minox Classic Leica M3 5MP diagonal
The diagonal of Classic Leica M3 5MP sensor is not 1/2 or 0.5" (12.7 mm) as you might expect, but approximately two thirds of
that value - 8 mm. If you want to know why, see
sensor sizes.
w = 6.40 mm
h = 4.80 mm
w = 6.40 mm
h = 4.80 mm
| Diagonal = √ | 6.40² + 4.80² | = 8.00 mm |
Contax N 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.
Classic Leica M3 5MP sensor area
Width = 6.40 mm
Height = 4.80 mm
Surface area = 6.40 × 4.80 = 30.72 mm²
Height = 4.80 mm
Surface area = 6.40 × 4.80 = 30.72 mm²
N 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 |
Classic Leica M3 5MP pixel pitch
Sensor width = 6.40 mm
Sensor resolution width = 2063 pixels
Sensor resolution width = 2063 pixels
| Pixel pitch = | 6.40 | × 1000 | = 3.1 µm |
| 2063 |
N pixel pitch
Sensor width = 36.00 mm
Sensor resolution width = 3000 pixels
Sensor resolution width = 3000 pixels
| Pixel pitch = | 36.00 | × 1000 | = 12 µm |
| 3000 |
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 |
Classic Leica M3 5MP pixel area
Pixel pitch = 3.1 µm
Pixel area = 3.1² = 9.61 µm²
Pixel area = 3.1² = 9.61 µm²
N pixel area
Pixel pitch = 12 µm
Pixel area = 12² = 144 µm²
Pixel area = 12² = 144 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 |
Classic Leica M3 5MP pixel density
Sensor resolution width = 2063 pixels
Sensor width = 0.64 cm
Pixel density = (2063 / 0.64)² / 1000000 = 10.39 MP/cm²
Sensor width = 0.64 cm
Pixel density = (2063 / 0.64)² / 1000000 = 10.39 MP/cm²
N pixel density
Sensor resolution width = 3000 pixels
Sensor width = 3.6 cm
Pixel density = (3000 / 3.6)² / 1000000 = 0.69 MP/cm²
Sensor width = 3.6 cm
Pixel density = (3000 / 3.6)² / 1000000 = 0.69 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:
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
Classic Leica M3 5MP sensor resolution
Sensor width = 6.40 mm
Sensor height = 4.80 mm
Effective megapixels = 3.20
Resolution horizontal: X × r = 1551 × 1.33 = 2063
Resolution vertical: X = 1551
Sensor resolution = 2063 x 1551
Sensor height = 4.80 mm
Effective megapixels = 3.20
| r = 6.40/4.80 = 1.33 |
|
Resolution vertical: X = 1551
Sensor resolution = 2063 x 1551
N sensor resolution
Sensor width = 36.00 mm
Sensor height = 24.00 mm
Effective megapixels = 6.00
Resolution horizontal: X × r = 2000 × 1.5 = 3000
Resolution vertical: X = 2000
Sensor resolution = 3000 x 2000
Sensor height = 24.00 mm
Effective megapixels = 6.00
| r = 36.00/24.00 = 1.5 |
|
Resolution vertical: X = 2000
Sensor resolution = 3000 x 2000
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 |
Classic Leica M3 5MP crop factor
Sensor diagonal in mm = 8.00 mm
| Crop factor = | 43.27 | = 5.41 |
| 8.00 |
N 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).
Classic Leica M3 5MP equivalent aperture
Crop factor = 5.41
Aperture = f3
35-mm equivalent aperture = (f3) × 5.41 = f16.2
Aperture = f3
35-mm equivalent aperture = (f3) × 5.41 = f16.2
N 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
Contax N , take the aperture of the lens
you're using and multiply it with crop factor.
Since crop factor for Contax N is 1, the equivalent aperture is aperture.
Since crop factor for Contax N is 1, the equivalent aperture is aperture.
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.