Olympus PEN E-P2 vs. Nokia Lumia 1020

Comparison

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PEN E-P2 image
vs
Lumia 1020 image
Olympus PEN E-P2 Nokia Lumia 1020
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Megapixels
12.30
41.33
Max. image resolution
4032 x 3024
7136 x 5360

Sensor

Sensor type
CMOS
CMOS
Sensor size
Four Thirds (17.3 x 13 mm)
8.64 x 6 mm
Sensor resolution
4045 x 3041
7714 x 5357
Diagonal
21.64 mm
10.52 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

Note: Actual size is set to screen → change »
vs
4.34 : 1
(ratio)
Olympus PEN E-P2 Nokia Lumia 1020
Surface area:
224.90 mm² vs 51.84 mm²
Difference: 173.06 mm² (334%)
PEN E-P2 sensor is approx. 4.34x bigger than Lumia 1020 sensor.
Note: You are comparing cameras of different generations. There is a 4 year gap between Olympus PEN E-P2 (2009) and Nokia Lumia 1020 (2013). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
4.28 µm
1.12 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: 3.16 µm (282%)
Pixel pitch of PEN E-P2 is approx. 282% higher than pixel pitch of Lumia 1020.
Pixel area
18.32 µm²
1.25 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: 17.07 µm² (1366%)
A pixel on Olympus PEN E-P2 sensor is approx. 1366% bigger than a pixel on Nokia Lumia 1020.
Pixel density
5.47 MP/cm²
79.71 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: 74.24 µm (1357%)
Nokia Lumia 1020 has approx. 1357% higher pixel density than Olympus PEN E-P2.
To learn about the accuracy of these numbers, click here.



Specs

Olympus PEN E-P2
Nokia Lumia 1020
Crop factor
2
4.11
Total megapixels
13.10
41.33
Effective megapixels
12.30
Optical zoom
Digital zoom
No
Yes
ISO sensitivity
Auto, (200 - 3200), 100, 200, 400, 800, 1600, 3200, 6400
100, 200, 400, 800, 1600, 3200
RAW
Manual focus
Normal focus range
Macro focus range
15 cm
Focal length (35mm equiv.)
27 mm
Aperture priority
Yes
No
Max. aperture
f2.2
Max. aperture (35mm equiv.)
n/a
f9
Metering
Multi, Center-weighted, Spot
Exposure compensation
±3 EV (in 1/3 EV, 1/2 EV, 1 EV steps)
±3 EV (in 1/3 EV steps)
Shutter priority
Yes
No
Min. shutter speed
60 sec
4 sec
Max. shutter speed
1/4000 sec
1/16000 sec
Built-in flash
External flash
Viewfinder
Electronic (optional)
White balance presets
8
4
Screen size
3"
4,5"
Screen resolution
230,000 dots
1280 x 768 dots
Video capture
Max. video resolution
1920x1080 (30p)
Storage types
SD/SDHC card
32 GB on-board memory
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Lithium-Ion BLS-1 rechargeable battery
BV-5XW
Weight
355 g
158 g
Dimensions
121 x 70 x 36 mm
130.4 x 71.4 x 10.4 mm
Year
2009
2013




Choose cameras to compare

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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

Olympus PEN E-P2 diagonal

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

Nokia Lumia 1020 diagonal

w = 8.64 mm
h = 6.00 mm
Diagonal =  8.64² + 6.00²   = 10.52 mm


Surface area

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

PEN E-P2 sensor area

Width = 17.30 mm
Height = 13.00 mm

Surface area = 17.30 × 13.00 = 224.90 mm²

Lumia 1020 sensor area

Width = 8.64 mm
Height = 6.00 mm

Surface area = 8.64 × 6.00 = 51.84 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

PEN E-P2 pixel pitch

Sensor width = 17.30 mm
Sensor resolution width = 4045 pixels
Pixel pitch =   17.30  × 1000  = 4.28 µm
4045

Lumia 1020 pixel pitch

Sensor width = 8.64 mm
Sensor resolution width = 7714 pixels
Pixel pitch =   8.64  × 1000  = 1.12 µm
7714


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

PEN E-P2 pixel area

Pixel pitch = 4.28 µm

Pixel area = 4.28² = 18.32 µm²

Lumia 1020 pixel area

Pixel pitch = 1.12 µm

Pixel area = 1.12² = 1.25 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

PEN E-P2 pixel density

Sensor resolution width = 4045 pixels
Sensor width = 1.73 cm

Pixel density = (4045 / 1.73)² / 1000000 = 5.47 MP/cm²

Lumia 1020 pixel density

Sensor resolution width = 7714 pixels
Sensor width = 0.864 cm

Pixel density = (7714 / 0.864)² / 1000000 = 79.71 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

PEN E-P2 sensor resolution

Sensor width = 17.30 mm
Sensor height = 13.00 mm
Effective megapixels = 12.30
r = 17.30/13.00 = 1.33
X =  12.30 × 1000000  = 3041
1.33
Resolution horizontal: X × r = 3041 × 1.33 = 4045
Resolution vertical: X = 3041

Sensor resolution = 4045 x 3041

Lumia 1020 sensor resolution

Sensor width = 8.64 mm
Sensor height = 6.00 mm
Effective megapixels = 41.33
r = 8.64/6.00 = 1.44
X =  41.33 × 1000000  = 5357
1.44
Resolution horizontal: X × r = 5357 × 1.44 = 7714
Resolution vertical: X = 5357

Sensor resolution = 7714 x 5357


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


PEN E-P2 crop factor

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

Lumia 1020 crop factor

Sensor diagonal in mm = 10.52 mm
Crop factor =   43.27  = 4.11
10.52

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).

PEN E-P2 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 PEN E-P2, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Olympus PEN E-P2 is 2

Lumia 1020 equivalent aperture

Crop factor = 4.11
Aperture = f2.2

35-mm equivalent aperture = (f2.2) × 4.11 = f9

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