Olympus D-150Z vs. Olympus SZ-14

Comparison

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D-150Z image
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SZ-14 image
Olympus D-150Z Olympus SZ-14
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Megapixels
1.20
14.50
Max. image resolution
1280 x 960
4288 x 3216

Sensor

Sensor type
CCD
CCD
Sensor size
1/3.2" (~ 4.5 x 3.37 mm)
1/2.3" (~ 6.16 x 4.62 mm)
Sensor resolution
1268 x 946
4392 x 3302
Diagonal
5.62 mm
7.70 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 : 1.88
(ratio)
Olympus D-150Z Olympus SZ-14
Surface area:
15.17 mm² vs 28.46 mm²
Difference: 13.29 mm² (88%)
SZ-14 sensor is approx. 1.88x bigger than D-150Z sensor.
Note: You are comparing sensors of vastly different generations. There is a gap of 11 years between Olympus D-150Z (2001) and Olympus SZ-14 (2012). Eleven years is a huge amount of time, technology wise, resulting in newer sensor being much more efficient than the older one.
Pixel pitch
3.55 µm
1.4 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: 2.15 µm (154%)
Pixel pitch of D-150Z is approx. 154% higher than pixel pitch of SZ-14.
Pixel area
12.6 µm²
1.96 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: 10.64 µm² (543%)
A pixel on Olympus D-150Z sensor is approx. 543% bigger than a pixel on Olympus SZ-14.
Pixel density
7.94 MP/cm²
50.84 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: 42.9 µm (540%)
Olympus SZ-14 has approx. 540% higher pixel density than Olympus D-150Z.
To learn about the accuracy of these numbers, click here.



Specs

Olympus D-150Z
Olympus SZ-14
Crop factor
7.7
5.62
Total megapixels
1.30
Effective megapixels
1.20
Optical zoom
3x
Yes
Digital zoom
Yes
Yes
ISO sensitivity
Auto
Auto, 80, 100, 200, 400, 800, 1600
RAW
Manual focus
Normal focus range
50 cm
10 cm
Macro focus range
20 cm
3 cm
Focal length (35mm equiv.)
38 - 114 mm
25 - 600 mm
Aperture priority
No
No
Max. aperture
f2.8 - f8.0
f3.0 - f6.9
Max. aperture (35mm equiv.)
f21.6 - f61.6
f16.9 - f38.8
Metering
Multi, Center-weighted, Spot
ESP Digital, Spot
Exposure compensation
±2 EV (in 1/2 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
No
No
Min. shutter speed
1/2 sec
4 sec
Max. shutter speed
1/1000 sec
1/1700 sec
Built-in flash
External flash
Viewfinder
Optical (tunnel)
None
White balance presets
4
7
Screen size
1.5"
3"
Screen resolution
114,000 dots
460,000 dots
Video capture
Max. video resolution
Storage types
SmartMedia
SDHC, SDXC, Secure Digital
USB
USB 1.0
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
AA (2) batteries (NiMH recommended)
Li-Ion
Weight
190 g
216 g
Dimensions
110 x 62 x 34 mm
106.5 x 68.7 x 39.5 mm
Year
2001
2012




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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 D-150Z diagonal

The diagonal of D-150Z sensor is not 1/3.2 or 0.31" (7.9 mm) as you might expect, but approximately two thirds of that value - 5.62 mm. If you want to know why, see sensor sizes.

w = 4.50 mm
h = 3.37 mm
Diagonal = √  4.50² + 3.37²   = 5.62 mm

Olympus SZ-14 diagonal

The diagonal of SZ-14 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


Surface area

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

D-150Z sensor area

Width = 4.50 mm
Height = 3.37 mm

Surface area = 4.50 × 3.37 = 15.17 mm²

SZ-14 sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 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

D-150Z pixel pitch

Sensor width = 4.50 mm
Sensor resolution width = 1268 pixels
Pixel pitch =   4.50  × 1000  = 3.55 µm
1268

SZ-14 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 4392 pixels
Pixel pitch =   6.16  × 1000  = 1.4 µm
4392


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

D-150Z pixel area

Pixel pitch = 3.55 µm

Pixel area = 3.55² = 12.6 µm²

SZ-14 pixel area

Pixel pitch = 1.4 µm

Pixel area = 1.4² = 1.96 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

D-150Z pixel density

Sensor resolution width = 1268 pixels
Sensor width = 0.45 cm

Pixel density = (1268 / 0.45)² / 1000000 = 7.94 MP/cm²

SZ-14 pixel density

Sensor resolution width = 4392 pixels
Sensor width = 0.616 cm

Pixel density = (4392 / 0.616)² / 1000000 = 50.84 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

D-150Z sensor resolution

Sensor width = 4.50 mm
Sensor height = 3.37 mm
Effective megapixels = 1.20
r = 4.50/3.37 = 1.34
X = √  1.20 × 1000000  = 946
1.34
Resolution horizontal: X × r = 946 × 1.34 = 1268
Resolution vertical: X = 946

Sensor resolution = 1268 x 946

SZ-14 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 14.50
r = 6.16/4.62 = 1.33
X = √  14.50 × 1000000  = 3302
1.33
Resolution horizontal: X × r = 3302 × 1.33 = 4392
Resolution vertical: X = 3302

Sensor resolution = 4392 x 3302


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


D-150Z crop factor

Sensor diagonal in mm = 5.62 mm
Crop factor =   43.27  = 7.7
5.62

SZ-14 crop factor

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

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).

D-150Z equivalent aperture

Crop factor = 7.7
Aperture = f2.8 - f8.0

35-mm equivalent aperture = (f2.8 - f8.0) × 7.7 = f21.6 - f61.6

SZ-14 equivalent aperture

Crop factor = 5.62
Aperture = f3.0 - f6.9

35-mm equivalent aperture = (f3.0 - f6.9) × 5.62 = f16.9 - f38.8

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