Olympus C-700 UZ vs. Olympus Stylus 1020

Comparison

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C-700 UZ image
vs
Stylus 1020 image
Olympus C-700 UZ Olympus Stylus 1020
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Megapixels
1.90
10.10
Max. image resolution
1600 x 1200
3648 x 2736

Sensor

Sensor type
CCD
CCD
Sensor size
1/2.7" (~ 5.33 x 4 mm)
1/2.33" (~ 6.08 x 4.56 mm)
Sensor resolution
1589 x 1195
3665 x 2756
Diagonal
6.66 mm
7.60 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 : 1.3
(ratio)
Olympus C-700 UZ Olympus Stylus 1020
Surface area:
21.32 mm² vs 27.72 mm²
Difference: 6.4 mm² (30%)
1020 sensor is approx. 1.3x bigger than C-700 UZ sensor.
Note: You are comparing sensors of very different generations. There is a gap of 7 years between Olympus C-700 UZ (2001) and Olympus 1020 (2008). Seven years is a lot of time in terms of technology, meaning newer sensors are overall much more efficient than the older ones.
Pixel pitch
3.35 µm
1.66 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: 1.69 µm (102%)
Pixel pitch of C-700 UZ is approx. 102% higher than pixel pitch of 1020.
Pixel area
11.22 µm²
2.76 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: 8.46 µm² (307%)
A pixel on Olympus C-700 UZ sensor is approx. 307% bigger than a pixel on Olympus 1020.
Pixel density
8.89 MP/cm²
36.34 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: 27.45 µm (309%)
Olympus 1020 has approx. 309% higher pixel density than Olympus C-700 UZ.
To learn about the accuracy of these numbers, click here.



Specs

Olympus C-700 UZ
Olympus 1020
Crop factor
6.5
5.69
Total megapixels
2.10
10.70
Effective megapixels
1.90
10.10
Optical zoom
10x
7x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 100, 200, 400, 800
Auto, (80 - 1600), 80, 100, 200, 400, 800, 1600
RAW
Manual focus
Normal focus range
60 cm
70 cm
Macro focus range
10 cm
2 cm
Focal length (35mm equiv.)
38 - 380 mm
37 - 260 mm
Aperture priority
Yes
No
Max. aperture
f2.8 - f3.5
f3.5 - f5.3
Max. aperture (35mm equiv.)
f18.2 - f22.8
f19.9 - f30.2
Metering
ESP Digital, Multi Spot, Spot
Multi, Center-weighted, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
Yes
No
Min. shutter speed
16 sec
1/2 sec
Max. shutter speed
1/1000 sec
1/2000 sec
Built-in flash
External flash
Viewfinder
Electronic
None
White balance presets
7
6
Screen size
1.5"
2.7"
Screen resolution
114,000 dots
230,000 dots
Video capture
Max. video resolution
Storage types
SmartMedia
xD Picture Card, Internal
USB
USB 1.0
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
AA (4) batteries (NiMH recommended)
Lithium-Ion (LI-50B)
Weight
423 g
175 g
Dimensions
108 x 76 x 78 mm
99 x 56 x 25 mm
Year
2001
2008




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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 C-700 UZ diagonal

The diagonal of C-700 UZ sensor is not 1/2.7 or 0.37" (9.4 mm) as you might expect, but approximately two thirds of that value - 6.66 mm. If you want to know why, see sensor sizes.

w = 5.33 mm
h = 4.00 mm
Diagonal =  5.33² + 4.00²   = 6.66 mm

Olympus 1020 diagonal

The diagonal of 1020 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


Surface area

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

C-700 UZ sensor area

Width = 5.33 mm
Height = 4.00 mm

Surface area = 5.33 × 4.00 = 21.32 mm²

1020 sensor area

Width = 6.08 mm
Height = 4.56 mm

Surface area = 6.08 × 4.56 = 27.72 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

C-700 UZ pixel pitch

Sensor width = 5.33 mm
Sensor resolution width = 1589 pixels
Pixel pitch =   5.33  × 1000  = 3.35 µm
1589

1020 pixel pitch

Sensor width = 6.08 mm
Sensor resolution width = 3665 pixels
Pixel pitch =   6.08  × 1000  = 1.66 µm
3665


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

C-700 UZ pixel area

Pixel pitch = 3.35 µm

Pixel area = 3.35² = 11.22 µm²

1020 pixel area

Pixel pitch = 1.66 µm

Pixel area = 1.66² = 2.76 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

C-700 UZ pixel density

Sensor resolution width = 1589 pixels
Sensor width = 0.533 cm

Pixel density = (1589 / 0.533)² / 1000000 = 8.89 MP/cm²

1020 pixel density

Sensor resolution width = 3665 pixels
Sensor width = 0.608 cm

Pixel density = (3665 / 0.608)² / 1000000 = 36.34 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

C-700 UZ sensor resolution

Sensor width = 5.33 mm
Sensor height = 4.00 mm
Effective megapixels = 1.90
r = 5.33/4.00 = 1.33
X =  1.90 × 1000000  = 1195
1.33
Resolution horizontal: X × r = 1195 × 1.33 = 1589
Resolution vertical: X = 1195

Sensor resolution = 1589 x 1195

1020 sensor resolution

Sensor width = 6.08 mm
Sensor height = 4.56 mm
Effective megapixels = 10.10
r = 6.08/4.56 = 1.33
X =  10.10 × 1000000  = 2756
1.33
Resolution horizontal: X × r = 2756 × 1.33 = 3665
Resolution vertical: X = 2756

Sensor resolution = 3665 x 2756


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


C-700 UZ crop factor

Sensor diagonal in mm = 6.66 mm
Crop factor =   43.27  = 6.5
6.66

1020 crop factor

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

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).

C-700 UZ equivalent aperture

Crop factor = 6.5
Aperture = f2.8 - f3.5

35-mm equivalent aperture = (f2.8 - f3.5) × 6.5 = f18.2 - f22.8

1020 equivalent aperture

Crop factor = 5.69
Aperture = f3.5 - f5.3

35-mm equivalent aperture = (f3.5 - f5.3) × 5.69 = f19.9 - f30.2

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