Sanyo VPC T1495 vs. Casio Exilim EX-Z5

Comparison

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VPC T1495 image
vs
Exilim EX-Z5 image
Sanyo VPC T1495 Casio Exilim EX-Z5
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Megapixels
14.00
4.90
Max. image resolution
4288 x 3216
2560 x 1920

Sensor

Sensor type
CCD
CCD
Sensor size
1/2.33" (~ 6.08 x 4.56 mm)
1/2.5" (~ 5.75 x 4.32 mm)
Sensor resolution
4315 x 3244
2552 x 1919
Diagonal
7.60 mm
7.19 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
1.12 : 1
(ratio)
Sanyo VPC T1495 Casio Exilim EX-Z5
Surface area:
27.72 mm² vs 24.84 mm²
Difference: 2.88 mm² (12%)
VPC T1495 sensor is approx. 1.12x bigger than Z5 sensor.
Note: You are comparing cameras of different generations. There is a 4 year gap between Sanyo VPC T1495 (2010) and Casio Z5 (2006). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
1.41 µm
2.25 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: 0.84 µm (60%)
Pixel pitch of Z5 is approx. 60% higher than pixel pitch of VPC T1495.
Pixel area
1.99 µm²
5.06 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: 3.07 µm² (154%)
A pixel on Casio Z5 sensor is approx. 154% bigger than a pixel on Sanyo VPC T1495.
Pixel density
50.37 MP/cm²
19.7 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: 30.67 µm (156%)
Sanyo VPC T1495 has approx. 156% higher pixel density than Casio Z5.
To learn about the accuracy of these numbers, click here.



Specs

Sanyo VPC T1495
Casio Z5
Crop factor
5.69
6.02
Total megapixels
5.20
Effective megapixels
4.90
Optical zoom
Yes
3x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 50, 100, 200, 400, 800, 1600, 3200, 6400
Auto, 50, 100, 200, 400
RAW
Manual focus
Normal focus range
60 cm
40 cm
Macro focus range
10 cm
Focal length (35mm equiv.)
26 - 130 mm
38 - 114 mm
Aperture priority
No
No
Max. aperture
f2.8 - f6.5
f3.1 - f5.9
Max. aperture (35mm equiv.)
f15.9 - f37
f18.7 - f35.5
Metering
Centre weighted, Multi-segment, 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
No
Min. shutter speed
2 sec
1/2 sec
Max. shutter speed
1/2000 sec
1/2000 sec
Built-in flash
External flash
Viewfinder
None
None
White balance presets
6
7
Screen size
2.7"
2.5"
Screen resolution
230,000 dots
115,200 dots
Video capture
Max. video resolution
Storage types
SDHC, Secure Digital
MultiMedia, Secure Digital
USB
USB 2.0 (480 Mbit/sec)
USB 1.0
HDMI
Wireless
GPS
Battery
Li-Ion
Lithium-Ion rechargeable
Weight
100 g
118 g
Dimensions
96.8 x 57.5 x 18.5 mm
95.2 x 60.6 x 19.8 mm
Year
2010
2006




Choose cameras to compare

vs

Diagonal

Diagonal is calculated by the use of Pythagorean theorem:
Diagonal =  w² + h²
where w = sensor width and h = sensor height

Sanyo VPC T1495 diagonal

The diagonal of VPC T1495 sensor is not 1/2.33 or 0.43" (10.9 mm) as you might expect, but approximately two thirds of that value - 7.6 mm. If you want to know why, see sensor sizes.

w = 6.08 mm
h = 4.56 mm
Diagonal =  6.08² + 4.56²   = 7.60 mm

Casio Z5 diagonal

The diagonal of Z5 sensor is not 1/2.5 or 0.4" (10.2 mm) as you might expect, but approximately two thirds of that value - 7.19 mm. If you want to know why, see sensor sizes.

w = 5.75 mm
h = 4.32 mm
Diagonal =  5.75² + 4.32²   = 7.19 mm


Surface area

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

VPC T1495 sensor area

Width = 6.08 mm
Height = 4.56 mm

Surface area = 6.08 × 4.56 = 27.72 mm²

Z5 sensor area

Width = 5.75 mm
Height = 4.32 mm

Surface area = 5.75 × 4.32 = 24.84 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

VPC T1495 pixel pitch

Sensor width = 6.08 mm
Sensor resolution width = 4315 pixels
Pixel pitch =   6.08  × 1000  = 1.41 µm
4315

Z5 pixel pitch

Sensor width = 5.75 mm
Sensor resolution width = 2552 pixels
Pixel pitch =   5.75  × 1000  = 2.25 µm
2552


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

VPC T1495 pixel area

Pixel pitch = 1.41 µm

Pixel area = 1.41² = 1.99 µm²

Z5 pixel area

Pixel pitch = 2.25 µm

Pixel area = 2.25² = 5.06 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

VPC T1495 pixel density

Sensor resolution width = 4315 pixels
Sensor width = 0.608 cm

Pixel density = (4315 / 0.608)² / 1000000 = 50.37 MP/cm²

Z5 pixel density

Sensor resolution width = 2552 pixels
Sensor width = 0.575 cm

Pixel density = (2552 / 0.575)² / 1000000 = 19.7 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

VPC T1495 sensor resolution

Sensor width = 6.08 mm
Sensor height = 4.56 mm
Effective megapixels = 14.00
r = 6.08/4.56 = 1.33
X =  14.00 × 1000000  = 3244
1.33
Resolution horizontal: X × r = 3244 × 1.33 = 4315
Resolution vertical: X = 3244

Sensor resolution = 4315 x 3244

Z5 sensor resolution

Sensor width = 5.75 mm
Sensor height = 4.32 mm
Effective megapixels = 4.90
r = 5.75/4.32 = 1.33
X =  4.90 × 1000000  = 1919
1.33
Resolution horizontal: X × r = 1919 × 1.33 = 2552
Resolution vertical: X = 1919

Sensor resolution = 2552 x 1919


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


VPC T1495 crop factor

Sensor diagonal in mm = 7.60 mm
Crop factor =   43.27  = 5.69
7.60

Z5 crop factor

Sensor diagonal in mm = 7.19 mm
Crop factor =   43.27  = 6.02
7.19

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).

VPC T1495 equivalent aperture

Crop factor = 5.69
Aperture = f2.8 - f6.5

35-mm equivalent aperture = (f2.8 - f6.5) × 5.69 = f15.9 - f37

Z5 equivalent aperture

Crop factor = 6.02
Aperture = f3.1 - f5.9

35-mm equivalent aperture = (f3.1 - f5.9) × 6.02 = f18.7 - f35.5

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