Canon EOS-1Ds Mark II vs. Olympus OM-D E-M5
Comparison
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Canon EOS-1Ds Mark II | Olympus OM-D E-M5 | ||||
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Megapixels
16.70
16.10
Max. image resolution
4992 x 3328
4608 x 3456
Sensor
Sensor type
CMOS
CMOS
Sensor size
36 x 24 mm
Four Thirds (17.3 x 13 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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3.84 | : | 1 |
(ratio) | ||
Canon EOS-1Ds Mark II | Olympus OM-D E-M5 |
Surface area:
864.00 mm² | vs | 224.90 mm² |
Difference: 639.1 mm² (284%)
-1Ds Mark II sensor is approx. 3.84x bigger than OM-D E-M5 sensor.
Note: You are comparing sensors of very different generations.
There is a gap of 8 years between Canon -1Ds Mark II (2004) and Olympus OM-D E-M5 (2012).
Eight years is a lot of time in terms
of technology, meaning newer sensors are overall much more
efficient than the older ones.
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: 37.71 µm² (270%)
A pixel on Canon -1Ds Mark II sensor is approx. 270% bigger than a pixel on Olympus OM-D E-M5.
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
Canon -1Ds Mark II
Olympus OM-D E-M5
Total megapixels
17.20
17.20
Effective megapixels
16.70
16.10
Optical zoom
Digital zoom
No
No
ISO sensitivity
100 - 1600 in 1/3 stops, plus 50, 3200 as option
Auto, (200 - 25600), 200, 400, 800, 1600, 3200, 6400, 12800, 25600
RAW
Manual focus
Normal focus range
Macro focus range
Focal length (35mm equiv.)
Aperture priority
Yes
Yes
Max. aperture
Metering
Multi, Center-weighted, Spot
Multi, Center-weighted, Spot
Exposure compensation
±3 EV (in 1/3 EV, 1/2 EV steps)
±3 EV (in 1/3 EV, 1/2 EV, 1 EV steps)
Shutter priority
Yes
Yes
Min. shutter speed
30 sec
60 sec
Max. shutter speed
1/8000 sec
1/4000 sec
Built-in flash
External flash
Viewfinder
Optical (pentaprism)
Electronic
White balance presets
8
12
Screen size
2"
3"
Screen resolution
230,000 dots
610,000 dots
Video capture
Max. video resolution
Storage types
Compact Flash (Type I or II), SD card
SD/SDHC/SDXC
USB
USB 1.0
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Lithium-Ion NB-4L battery
Lithium-Ion BLN-1 rechargeable battery
Weight
1565 g
425 g
Dimensions
156 x 158 x 80 mm
121.0 x 89.6 x 41.9 mm
Year
2004
2012
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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 |
Canon -1Ds Mark II diagonal
w = 36.00 mm
h = 24.00 mm
h = 24.00 mm
Diagonal = √ | 36.00² + 24.00² | = 43.27 mm |
Olympus OM-D E-M5 diagonal
w = 17.30 mm
h = 13.00 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.
-1Ds Mark II 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
OM-D E-M5 sensor area
Width = 17.30 mm
Height = 13.00 mm
Surface area = 17.30 × 13.00 = 224.90 mm²
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 |
-1Ds Mark II pixel pitch
Sensor width = 36.00 mm
Sensor resolution width = 5006 pixels
Sensor resolution width = 5006 pixels
Pixel pitch = | 36.00 | × 1000 | = 7.19 µm |
5006 |
OM-D E-M5 pixel pitch
Sensor width = 17.30 mm
Sensor resolution width = 4627 pixels
Sensor resolution width = 4627 pixels
Pixel pitch = | 17.30 | × 1000 | = 3.74 µm |
4627 |
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 |
-1Ds Mark II pixel area
Pixel pitch = 7.19 µm
Pixel area = 7.19² = 51.7 µm²
Pixel area = 7.19² = 51.7 µm²
OM-D E-M5 pixel area
Pixel pitch = 3.74 µm
Pixel area = 3.74² = 13.99 µm²
Pixel area = 3.74² = 13.99 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 |
-1Ds Mark II pixel density
Sensor resolution width = 5006 pixels
Sensor width = 3.6 cm
Pixel density = (5006 / 3.6)² / 1000000 = 1.93 MP/cm²
Sensor width = 3.6 cm
Pixel density = (5006 / 3.6)² / 1000000 = 1.93 MP/cm²
OM-D E-M5 pixel density
Sensor resolution width = 4627 pixels
Sensor width = 1.73 cm
Pixel density = (4627 / 1.73)² / 1000000 = 7.15 MP/cm²
Sensor width = 1.73 cm
Pixel density = (4627 / 1.73)² / 1000000 = 7.15 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
-1Ds Mark II sensor resolution
Sensor width = 36.00 mm
Sensor height = 24.00 mm
Effective megapixels = 16.70
Resolution horizontal: X × r = 3337 × 1.5 = 5006
Resolution vertical: X = 3337
Sensor resolution = 5006 x 3337
Sensor height = 24.00 mm
Effective megapixels = 16.70
r = 36.00/24.00 = 1.5 |
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Resolution vertical: X = 3337
Sensor resolution = 5006 x 3337
OM-D E-M5 sensor resolution
Sensor width = 17.30 mm
Sensor height = 13.00 mm
Effective megapixels = 16.10
Resolution horizontal: X × r = 3479 × 1.33 = 4627
Resolution vertical: X = 3479
Sensor resolution = 4627 x 3479
Sensor height = 13.00 mm
Effective megapixels = 16.10
r = 17.30/13.00 = 1.33 |
|
Resolution vertical: X = 3479
Sensor resolution = 4627 x 3479
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 |
-1Ds Mark II crop factor
Sensor diagonal in mm = 43.27 mm
Crop factor = | 43.27 | = 1 |
43.27 |
OM-D E-M5 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).
-1Ds Mark II 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
Canon -1Ds Mark II, take the aperture of the lens
you're using and multiply it with crop factor.
Since crop factor for Canon -1Ds Mark II is 1, the equivalent aperture is aperture.
Since crop factor for Canon -1Ds Mark II is 1, the equivalent aperture is aperture.
OM-D E-M5 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
Olympus OM-D E-M5, take the aperture of the lens
you're using and multiply it with crop factor.
Crop factor for Olympus OM-D E-M5 is 2
Crop factor for Olympus OM-D E-M5 is 2
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