Olympus C-3020 Zoom vs. Olympus C-3030 Zoom

Comparison

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C-3020 Zoom image
vs
C-3030 Zoom image
Olympus C-3020 Zoom Olympus C-3030 Zoom
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Megapixels
3.10
3.10
Max. image resolution
2048 x 1536
2048 x 1536

Sensor

Sensor type
CCD
CCD
Sensor size
1/1.8" (~ 7.11 x 5.33 mm)
1/1.8" (~ 7.11 x 5.33 mm)
Sensor resolution
2031 x 1527
2031 x 1527
Diagonal
8.89 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 »
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1 : 1
(ratio)
Olympus C-3020 Zoom Olympus C-3030 Zoom
Surface area:
37.90 mm² vs 37.90 mm²
Difference: 0 mm² (0%)
C-3020 Zoom and C-3030 Zoom sensors are the same size.
Pixel pitch
3.5 µm
3.5 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 µm (0%)
C-3020 Zoom and C-3030 Zoom have the same pixel pitch.
Pixel area
12.25 µm²
12.25 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: 0 µm² (0%)
Olympus C-3020 Zoom and Olympus C-3030 Zoom have the same pixel area.
Pixel density
8.16 MP/cm²
8.16 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: 0 µm (0%)
Olympus C-3020 Zoom and Olympus C-3030 Zoom have the same pixel density.
To learn about the accuracy of these numbers, click here.



Specs

Olympus C-3020 Zoom
Olympus C-3030 Zoom
Crop factor
4.87
4.87
Total megapixels
3.30
3.30
Effective megapixels
3.10
3.10
Optical zoom
3x
3x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 100, 200, 400
Auto, 100, 200, 400
RAW
Manual focus
Normal focus range
80 cm
80 cm
Macro focus range
20 cm
20 cm
Focal length (35mm equiv.)
32 - 96 mm
32 - 96 mm
Aperture priority
Yes
Yes
Max. aperture
f2.8 - f2.8
f2.8 - f2.8
Max. aperture (35mm equiv.)
f13.6 - f13.6
f13.6 - f13.6
Metering
ESP Digital, Spot
Matrix, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
Yes
Yes
Min. shutter speed
16 sec
16 sec
Max. shutter speed
1/800 sec
1/800 sec
Built-in flash
External flash
Viewfinder
Optical (tunnel)
Optical (tunnel)
White balance presets
7
5
Screen size
1.8"
1.8"
Screen resolution
132,000 dots
114,000 dots
Video capture
Max. video resolution
Storage types
SmartMedia
SmartMedia
USB
USB 1.0
USB 1.0
HDMI
Wireless
GPS
Battery
AA (4) batteries (NiMH recommended)
AA (4) batteries (NiMH recommended)
Weight
382 g
380 g
Dimensions
110 x 76 x 70 mm
110 x 76 x 66 mm
Year
2001
2000




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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-3020 Zoom diagonal

The diagonal of C-3020 Zoom 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

Olympus C-3030 Zoom diagonal

The diagonal of C-3030 Zoom 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.

C-3020 Zoom sensor area

Width = 7.11 mm
Height = 5.33 mm

Surface area = 7.11 × 5.33 = 37.90 mm²

C-3030 Zoom 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

C-3020 Zoom pixel pitch

Sensor width = 7.11 mm
Sensor resolution width = 2031 pixels
Pixel pitch =   7.11  × 1000  = 3.5 µm
2031

C-3030 Zoom pixel pitch

Sensor width = 7.11 mm
Sensor resolution width = 2031 pixels
Pixel pitch =   7.11  × 1000  = 3.5 µm
2031


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-3020 Zoom pixel area

Pixel pitch = 3.5 µm

Pixel area = 3.5² = 12.25 µm²

C-3030 Zoom pixel area

Pixel pitch = 3.5 µm

Pixel area = 3.5² = 12.25 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-3020 Zoom pixel density

Sensor resolution width = 2031 pixels
Sensor width = 0.711 cm

Pixel density = (2031 / 0.711)² / 1000000 = 8.16 MP/cm²

C-3030 Zoom pixel density

Sensor resolution width = 2031 pixels
Sensor width = 0.711 cm

Pixel density = (2031 / 0.711)² / 1000000 = 8.16 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-3020 Zoom sensor resolution

Sensor width = 7.11 mm
Sensor height = 5.33 mm
Effective megapixels = 3.10
r = 7.11/5.33 = 1.33
X =  3.10 × 1000000  = 1527
1.33
Resolution horizontal: X × r = 1527 × 1.33 = 2031
Resolution vertical: X = 1527

Sensor resolution = 2031 x 1527

C-3030 Zoom sensor resolution

Sensor width = 7.11 mm
Sensor height = 5.33 mm
Effective megapixels = 3.10
r = 7.11/5.33 = 1.33
X =  3.10 × 1000000  = 1527
1.33
Resolution horizontal: X × r = 1527 × 1.33 = 2031
Resolution vertical: X = 1527

Sensor resolution = 2031 x 1527


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-3020 Zoom crop factor

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

C-3030 Zoom 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).

C-3020 Zoom equivalent aperture

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

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

C-3030 Zoom equivalent aperture

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

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

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