Fujifilm X-E2 vs. Ricoh GR

Comparison

X-E2 image
vs.
GR image

 

Fujifilm X-E2 Ricoh GR
Megapixels
16.30 16.20
Max. resolution
4896 x 3264 4928 x 3264
Price
Amazon, B&H Photo, Adorama Amazon, B&H Photo, Adorama

Sensor

Sensor type
CMOS CMOS
Sensor size
23.6 x 15.6 mm 23.6 x 15.7 mm
Sensor resolution
4962 x 3286  4929 x 3286 
Diagonal
28.29 mm  28.35 mm 
Surface area
368.16 mm²  370.52 mm² 
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 sizes:
Fujifilm X-E2
vs.
Ricoh GR
 
Surface area:
Fujifilm X-E2
Ricoh GR
Difference: 2.36 mm² (0.6%)
Ricoh GR has approx. 0.6% more surface area than Fujifilm X-E2.
Pixel pitch
4.76 µm  4.79 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.
Pixel pitch
Fujifilm X-E2
Ricoh GR
Difference: 0.03 µm (0.6%)
Pixel pitch of Ricoh GR is approx. 0.6% higher than pixel pitch of Fujifilm X-E2.
Pixel area
22.66 µm²  22.94 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:
Fujifilm X-E2
vs.
Ricoh GR
Pixel area difference: 0.28 µm² (1%)
A pixel on Ricoh GR sensor is approx. 1% bigger than a pixel on Fujifilm X-E2.
Pixel density
4.42 MP/cm²  4.36 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.
Pixel density
Fujifilm X-E2
Ricoh GR
Difference: 0.06 MP/cm² (1%)
Fujifilm X-E2 has approx. 1% higher pixel density than Ricoh GR.
To learn about the accuracy of these numbers, click here.

Other specifications

Crop factor
1.53  1.53 
Total megapixels
16.70 16.90
Effective megapixels
16.30 16.20
Optical zoom
n/a 1x
Digital zoom
No No
Iso
Auto, 200-6400, (100, 12800, 25600 with boost) Auto, 100, 200, 400, 800, 1600, 3200, 6400, 12800, 16000, 25600
Auto focus
Yes Yes
Manual focus
Yes Yes
Normal focus range
n/a 30 cm
Macro focus range
n/a 10 cm
Focal length (35mm equiv.)
n/a 28 mm
Aperture priority
Yes Yes
Aperture
n/a f2.8
Aperture (35mm equiv.)
n/a  f4.3 
Metering
Multi, Average, Spot Multi, Center-weighted, Spot
Exposure compensation
±3 (at 1/3 EV steps) ±4 (at 1/3 EV steps)
Shutter priority
Yes Yes
Min. shutter speed
30 sec 300 sec
Max. shutter speed
1/4000 sec 1/4000 sec
Flash modes
Auto, On, Off, Red-Eye, Slow Sync, Rear-curtain Auto, On, Slow Synchro, Manual, Flash On Red-Eye, Slow Synchro Red-Eye
Built-in flash
Yes Yes
External flash
Yes Yes
Viewfinder
Electronic Optical (optional)
White balance presets
7 9
LCD display
Yes Yes
LCD size
3" 3"
LCD resolution
1,040,000 1,230,000
Min. image resolution
1664 x 1664 864×864
Selftimer
Yes Yes
Storage types
SD/SDHC/SDXC SD/SDHC/SDXC
USB
USB 2.0 High-Speed USB 2.0 (480 Mbit/sec)
Batteries
NP-W126 Li-ion battery Rechargeable DB-65 lithium-ion battery
Weight
350 g 245 g
Dimensions
129 x 74.9 x 37.2 mm 117 x 61 x 34.7 mm
Year
2013 2013



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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

Fujifilm X-E2 diagonal

w = 23.60 mm
h = 15.60 mm
Diagonal =  23.60² + 15.60²   = 28.29 mm

Ricoh GR diagonal

w = 23.60 mm
h = 15.70 mm
Diagonal =  23.60² + 15.70²   = 28.35 mm


Surface area

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

Fujifilm X-E2 surface area

Width = 23.60 mm
Height = 15.60 mm

Surface area = 23.60 × 15.60 = 368.16 mm²

Ricoh GR surface area

Width = 23.60 mm
Height = 15.70 mm

Surface area = 23.60 × 15.70 = 370.52 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

Fujifilm X-E2 pixel pitch

Sensor width = 23.60 mm
Sensor resolution width = 4962 pixels
Pixel pitch =   23.60  × 1000  = 4.76 µm
4962

Ricoh GR pixel pitch

Sensor width = 23.60 mm
Sensor resolution width = 4929 pixels
Pixel pitch =   23.60  × 1000  = 4.79 µm
4929


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

Fujifilm X-E2 pixel area

Pixel pitch = 4.76 µm

Pixel area = 4.76² = 22.66 µm²

Ricoh GR pixel area

Pixel pitch = 4.79 µm

Pixel area = 4.79² = 22.94 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

You could also use this formula:
Pixel density =   effective megapixels × 1000000  / 10000
sensor surface area in mm²

Fujifilm X-E2 pixel density

Sensor resolution width = 4962 pixels
Sensor width = 2.36 cm

Pixel density = (4962 / 2.36)² / 1000000 = 4.42 MP/cm²

Ricoh GR pixel density

Sensor resolution width = 4929 pixels
Sensor width = 2.36 cm

Pixel density = (4929 / 2.36)² / 1000000 = 4.36 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. 22.8 × 15.5 sensor for example has a ratio of 1.47.

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

Fujifilm X-E2 sensor resolution

Sensor width = 23.60 mm
Sensor height = 15.60 mm
Effective megapixels = 16.30
r = 23.60/15.60 = 1.51
X =  16.30 × 1000000  = 3286
1.51
Resolution horizontal: X × r = 3286 × 1.51 = 4962
Resolution vertical: X = 3286

Sensor resolution = 4962 x 3286

Ricoh GR sensor resolution

Sensor width = 23.60 mm
Sensor height = 15.70 mm
Effective megapixels = 16.20
r = 23.60/15.70 = 1.5
X =  16.20 × 1000000  = 3286
1.5
Resolution horizontal: X × r = 3286 × 1.5 = 4929
Resolution vertical: X = 3286

Sensor resolution = 4929 x 3286


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


Fujifilm X-E2 crop factor

Sensor diagonal in mm = 28.29 mm
Crop factor =   43.27  = 1.53
28.29

Ricoh GR crop factor

Sensor diagonal in mm = 28.35 mm
Crop factor =   43.27  = 1.53
28.35

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).

Fujifilm X-E2 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 Fujifilm X-E2, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Fujifilm X-E2 is 1.53

Ricoh GR equivalent aperture

Crop factor = 1.53
Aperture = f2.8

35-mm equivalent aperture = (f2.8) × 1.53 = f4.3


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