Olympus C-1400L vs. Olympus C-2500 L

Comparison

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C-1400L image
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C-2500 L image
Olympus C-1400L Olympus C-2500 L
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Megapixels
1.40
2.30
Max. image resolution
1280 x 1024
1712 x 1368

Sensor

Sensor type
CCD
CCD
Sensor size
2/3" (~ 8.8 x 6.6 mm)
2/3" (~ 8.8 x 6.6 mm)
Sensor resolution
1365 x 1026
1749 x 1315
Diagonal
11.00 mm
11.00 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

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vs
1 : 1
(ratio)
Olympus C-1400L Olympus C-2500 L
Surface area:
58.08 mm² vs 58.08 mm²
Difference: 0 mm² (0%)
C-1400L and C-2500 L sensors are the same size.
Note: You are comparing cameras of different generations. There is a 2 year gap between Olympus C-1400L (1997) and Olympus C-2500 L (1999). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
6.45 µm
5.03 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: 1.42 µm (28%)
Pixel pitch of C-1400L is approx. 28% higher than pixel pitch of C-2500 L.
Pixel area
41.6 µm²
25.3 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: 16.3 µm² (64%)
A pixel on Olympus C-1400L sensor is approx. 64% bigger than a pixel on Olympus C-2500 L.
Pixel density
2.41 MP/cm²
3.95 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: 1.54 µm (64%)
Olympus C-2500 L has approx. 64% higher pixel density than Olympus C-1400L.
To learn about the accuracy of these numbers, click here.



Specs

Olympus C-1400L
Olympus C-2500 L
Crop factor
3.93
3.93
Total megapixels
2.50
Effective megapixels
2.30
Optical zoom
Yes
3.1x
Digital zoom
Yes
No
ISO sensitivity
100
100, 200, 400
RAW
Manual focus
Normal focus range
60 cm
80 cm
Macro focus range
30 cm
2 cm
Focal length (35mm equiv.)
36 - 110 mm
36 - 110 mm
Aperture priority
No
Yes
Max. aperture
f2.8 - f3.9
f2.8 - f5.6
Max. aperture (35mm equiv.)
f11 - f15.3
f11 - f22
Metering
Centre weighted, Spot
Multi, Center-weighted, Spot
Exposure compensation
±3 EV (in 1/2 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
No
Yes
Min. shutter speed
1/4 sec
8 sec
Max. shutter speed
1/10000 sec
1/10000 sec
Built-in flash
External flash
Viewfinder
Optical
Optical (tunnel)
White balance presets
5
6
Screen size
1.8"
1.8"
Screen resolution
61,000 dots
114,000 dots
Video capture
Max. video resolution
Storage types
SmartMedia
SmartMedia, Compact Flash
USB
USB 1.0
HDMI
Wireless
GPS
Battery
4x AA
AA NiMH (4) batteries (supplied)
Weight
560 g
530 g
Dimensions
115 x 83 x 130 mm
109 x 80 x 128 mm
Year
1997
1999




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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-1400L diagonal

The diagonal of C-1400L sensor is not 2/3 or 0.67" (16.9 mm) as you might expect, but approximately two thirds of that value - 11 mm. If you want to know why, see sensor sizes.

w = 8.80 mm
h = 6.60 mm
Diagonal =  8.80² + 6.60²   = 11.00 mm

Olympus C-2500 L diagonal

The diagonal of C-2500 L sensor is not 2/3 or 0.67" (16.9 mm) as you might expect, but approximately two thirds of that value - 11 mm. If you want to know why, see sensor sizes.

w = 8.80 mm
h = 6.60 mm
Diagonal =  8.80² + 6.60²   = 11.00 mm


Surface area

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

C-1400L sensor area

Width = 8.80 mm
Height = 6.60 mm

Surface area = 8.80 × 6.60 = 58.08 mm²

C-2500 L sensor area

Width = 8.80 mm
Height = 6.60 mm

Surface area = 8.80 × 6.60 = 58.08 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-1400L pixel pitch

Sensor width = 8.80 mm
Sensor resolution width = 1365 pixels
Pixel pitch =   8.80  × 1000  = 6.45 µm
1365

C-2500 L pixel pitch

Sensor width = 8.80 mm
Sensor resolution width = 1749 pixels
Pixel pitch =   8.80  × 1000  = 5.03 µm
1749


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-1400L pixel area

Pixel pitch = 6.45 µm

Pixel area = 6.45² = 41.6 µm²

C-2500 L pixel area

Pixel pitch = 5.03 µm

Pixel area = 5.03² = 25.3 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-1400L pixel density

Sensor resolution width = 1365 pixels
Sensor width = 0.88 cm

Pixel density = (1365 / 0.88)² / 1000000 = 2.41 MP/cm²

C-2500 L pixel density

Sensor resolution width = 1749 pixels
Sensor width = 0.88 cm

Pixel density = (1749 / 0.88)² / 1000000 = 3.95 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-1400L sensor resolution

Sensor width = 8.80 mm
Sensor height = 6.60 mm
Effective megapixels = 1.40
r = 8.80/6.60 = 1.33
X =  1.40 × 1000000  = 1026
1.33
Resolution horizontal: X × r = 1026 × 1.33 = 1365
Resolution vertical: X = 1026

Sensor resolution = 1365 x 1026

C-2500 L sensor resolution

Sensor width = 8.80 mm
Sensor height = 6.60 mm
Effective megapixels = 2.30
r = 8.80/6.60 = 1.33
X =  2.30 × 1000000  = 1315
1.33
Resolution horizontal: X × r = 1315 × 1.33 = 1749
Resolution vertical: X = 1315

Sensor resolution = 1749 x 1315


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-1400L crop factor

Sensor diagonal in mm = 11.00 mm
Crop factor =   43.27  = 3.93
11.00

C-2500 L crop factor

Sensor diagonal in mm = 11.00 mm
Crop factor =   43.27  = 3.93
11.00

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-1400L equivalent aperture

Crop factor = 3.93
Aperture = f2.8 - f3.9

35-mm equivalent aperture = (f2.8 - f3.9) × 3.93 = f11 - f15.3

C-2500 L equivalent aperture

Crop factor = 3.93
Aperture = f2.8 - f5.6

35-mm equivalent aperture = (f2.8 - f5.6) × 3.93 = f11 - f22

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