Canon IXY 610F vs. Casio Exilim EX-Z120

Comparison

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IXY 610F image
vs
Exilim EX-Z120 image
Canon IXY 610F Casio Exilim EX-Z120
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Megapixels
12.10
7.40
Max. image resolution
4000 x 3000
3072 x 2304

Sensor

Sensor type
CMOS
CCD
Sensor size
1/2.3" (~ 6.16 x 4.62 mm)
1/1.8" (~ 7.11 x 5.33 mm)
Sensor resolution
4011 x 3016
3137 x 2359
Diagonal
7.70 mm
8.89 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
1 : 1.33
(ratio)
Canon IXY 610F Casio Exilim EX-Z120
Surface area:
28.46 mm² vs 37.90 mm²
Difference: 9.44 mm² (33%)
Z120 sensor is approx. 1.33x bigger than IXY 610F sensor.
Note: You are comparing sensors of very different generations. There is a gap of 8 years between Canon IXY 610F (2013) and Casio Z120 (2005). 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
1.54 µm
2.27 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: 0.73 µm (47%)
Pixel pitch of Z120 is approx. 47% higher than pixel pitch of IXY 610F.
Pixel area
2.37 µm²
5.15 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: 2.78 µm² (117%)
A pixel on Casio Z120 sensor is approx. 117% bigger than a pixel on Canon IXY 610F.
Pixel density
42.4 MP/cm²
19.47 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: 22.93 µm (118%)
Canon IXY 610F has approx. 118% higher pixel density than Casio Z120.
To learn about the accuracy of these numbers, click here.



Specs

Canon IXY 610F
Casio Z120
Crop factor
5.62
4.87
Total megapixels
12.80
7.20
Effective megapixels
12.10
7.40
Optical zoom
10x
3x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 80 - 6400
Auto, 50, 100, 200, 400, 1600
RAW
Manual focus
Normal focus range
40 cm
Macro focus range
1 cm
10 cm
Focal length (35mm equiv.)
24 - 240 mm
38 - 114 mm
Aperture priority
No
Yes
Max. aperture
f3 - f6.9
f2.8 - f5.1
Max. aperture (35mm equiv.)
f16.9 - f38.8
f13.6 - f24.8
Metering
Matrix, Center-weighted, Spot
Centre weighted, Multi-pattern, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
No
Yes
Min. shutter speed
15 sec
1/8 sec
Max. shutter speed
1/2000 sec
1/1600 sec
Built-in flash
External flash
Viewfinder
None
Optical (tunnel)
White balance presets
6
7
Screen size
3"
2"
Screen resolution
461,000 dots
84,960 dots
Video capture
Max. video resolution
1920x1080 (24p)
Storage types
SD/SDHC/SDXC
MultiMedia, Secure Digital
USB
USB 2.0 (480 Mbit/sec)
USB 1.0
HDMI
Wireless
GPS
Battery
Battery Pack NB-4L
AA (2) batteries (NiMH included)
Weight
144 g
138 g
Dimensions
97.2 x 56.4 x 22.5 mm
90 x 60 x 27.2 mm
Year
2013
2005




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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

Canon IXY 610F diagonal

The diagonal of IXY 610F sensor is not 1/2.3 or 0.43" (11 mm) as you might expect, but approximately two thirds of that value - 7.7 mm. If you want to know why, see sensor sizes.

w = 6.16 mm
h = 4.62 mm
Diagonal =  6.16² + 4.62²   = 7.70 mm

Casio Z120 diagonal

The diagonal of Z120 sensor is not 1/1.8 or 0.56" (14.1 mm) as you might expect, but approximately two thirds of that value - 8.89 mm. If you want to know why, see sensor sizes.

w = 7.11 mm
h = 5.33 mm
Diagonal =  7.11² + 5.33²   = 8.89 mm


Surface area

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

IXY 610F sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²

Z120 sensor area

Width = 7.11 mm
Height = 5.33 mm

Surface area = 7.11 × 5.33 = 37.90 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

IXY 610F pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4011 pixels
Pixel pitch =   6.16  × 1000  = 1.54 µm
4011

Z120 pixel pitch

Sensor width = 7.11 mm
Sensor resolution width = 3137 pixels
Pixel pitch =   7.11  × 1000  = 2.27 µm
3137


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

IXY 610F pixel area

Pixel pitch = 1.54 µm

Pixel area = 1.54² = 2.37 µm²

Z120 pixel area

Pixel pitch = 2.27 µm

Pixel area = 2.27² = 5.15 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

IXY 610F pixel density

Sensor resolution width = 4011 pixels
Sensor width = 0.616 cm

Pixel density = (4011 / 0.616)² / 1000000 = 42.4 MP/cm²

Z120 pixel density

Sensor resolution width = 3137 pixels
Sensor width = 0.711 cm

Pixel density = (3137 / 0.711)² / 1000000 = 19.47 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

IXY 610F sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 12.10
r = 6.16/4.62 = 1.33
X =  12.10 × 1000000  = 3016
1.33
Resolution horizontal: X × r = 3016 × 1.33 = 4011
Resolution vertical: X = 3016

Sensor resolution = 4011 x 3016

Z120 sensor resolution

Sensor width = 7.11 mm
Sensor height = 5.33 mm
Effective megapixels = 7.40
r = 7.11/5.33 = 1.33
X =  7.40 × 1000000  = 2359
1.33
Resolution horizontal: X × r = 2359 × 1.33 = 3137
Resolution vertical: X = 2359

Sensor resolution = 3137 x 2359


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


IXY 610F crop factor

Sensor diagonal in mm = 7.70 mm
Crop factor =   43.27  = 5.62
7.70

Z120 crop factor

Sensor diagonal in mm = 8.89 mm
Crop factor =   43.27  = 4.87
8.89

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).

IXY 610F equivalent aperture

Crop factor = 5.62
Aperture = f3 - f6.9

35-mm equivalent aperture = (f3 - f6.9) × 5.62 = f16.9 - f38.8

Z120 equivalent aperture

Crop factor = 4.87
Aperture = f2.8 - f5.1

35-mm equivalent aperture = (f2.8 - f5.1) × 4.87 = f13.6 - f24.8

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