Olympus C-460 Zoom del Sol vs. Olympus Stylus 400

Comparison

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Olympus C-460 Zoom del Sol

Olympus Stylus 400

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Megapixels

4.23

3.90

Max. image resolution

2272 x 1712

2272 x 1704

Sensor

Sensor type

CCD

Sensor size

1/2.5" (~ 5.75 x 4.32 mm)

Sensor resolution

2371 x 1783

2277 x 1712

Diagonal

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	:	1
(ratio)

Olympus C-460 Zoom del Sol		Olympus Stylus 400

Surface area:

24.84 mm²

Difference: 0 mm² (0%)

C-460 Zoom del Sol and 400 sensors are the same size.

Pixel pitch

2.43 µm

2.53 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: 0.1 µm (4%)

Pixel pitch of 400 is approx. 4% higher than pixel pitch of C-460 Zoom del Sol.

Pixel area

5.9 µm²

6.4 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:

Pixel area difference: 0.5 µm² (8%)

A pixel on Olympus 400 sensor is approx. 8% bigger than a pixel on Olympus C-460 Zoom del Sol.

Pixel density

17 MP/cm²

15.68 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: 1.32 µm (8%)

Olympus C-460 Zoom del Sol has approx. 8% higher pixel density than Olympus 400.

To learn about the accuracy of these numbers, click here.

Specs

Olympus C-460 Zoom del Sol

Olympus 400

Crop factor

6.02

Total megapixels

4.10

Effective megapixels

3.90

Optical zoom

Yes

Digital zoom

Yes

ISO sensitivity

50 - 400

Auto, (80 - 320)

RAW

Manual focus

Normal focus range

50 cm

Macro focus range

7 cm

20 cm

Focal length (35mm equiv.)

35 - 105 mm

Aperture priority

Max. aperture

f3.1 - f5.2

Max. aperture (35mm equiv.)

f18.7 - f31.3

Metering

ESP Digital, Spot

Multi, Center-weighted, Spot

Exposure compensation

±2 EV (in 1/3 EV steps)

Shutter priority

Min. shutter speed

2 sec

1/2 sec

Max. shutter speed

1/1000 sec

Built-in flash

External flash

Viewfinder

Optical

Optical (tunnel)

White balance presets

Screen size

1.8"

1.5"

Screen resolution

85,000 dots

134,000 dots

Video capture

Max. video resolution

Storage types

xD Picture card

xD Picture Card

USB

USB 1.1

USB 1.0

HDMI

Wireless

GPS

Battery

1x CR-V3, 2x AA

Lithium-Ion rechargeable

Weight

165 g

220 g

Dimensions

108 x 57.5 x 36.5 mm

99 x 56 x 34 mm

Year

2004

2003

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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-460 Zoom del Sol diagonal

The diagonal of C-460 Zoom del Sol 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

Olympus 400 diagonal

The diagonal of 400 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.

C-460 Zoom del Sol sensor area

Width = 5.75 mm
Height = 4.32 mm

Surface area = 5.75 × 4.32 = 24.84 mm²

400 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

C-460 Zoom del Sol pixel pitch

Sensor width = 5.75 mm
Sensor resolution width = 2371 pixels

Pixel pitch =	5.75	× 1000	= 2.43 µm
	2371

400 pixel pitch

Sensor width = 5.75 mm
Sensor resolution width = 2277 pixels

Pixel pitch =	5.75	× 1000	= 2.53 µm
	2277

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-460 Zoom del Sol pixel area

Pixel pitch = 2.43 µm

Pixel area = 2.43² = 5.9 µm²

400 pixel area

Pixel pitch = 2.53 µm

Pixel area = 2.53² = 6.4 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-460 Zoom del Sol pixel density

Sensor resolution width = 2371 pixels
Sensor width = 0.575 cm

Pixel density = (2371 / 0.575)² / 1000000 = 17 MP/cm²

400 pixel density

Sensor resolution width = 2277 pixels
Sensor width = 0.575 cm

Pixel density = (2277 / 0.575)² / 1000000 = 15.68 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-460 Zoom del Sol sensor resolution

Sensor width = 5.75 mm
Sensor height = 4.32 mm
Effective megapixels = 4.23

r = 5.75/4.32 = 1.33

X = √	4.23 × 1000000	= 1783
	1.33

Resolution horizontal: X × r = 1783 × 1.33 = 2371
Resolution vertical: X = 1783

Sensor resolution = 2371 x 1783

400 sensor resolution

Sensor width = 5.75 mm
Sensor height = 4.32 mm
Effective megapixels = 3.90

r = 5.75/4.32 = 1.33

X = √	3.90 × 1000000	= 1712
	1.33

Resolution horizontal: X × r = 1712 × 1.33 = 2277
Resolution vertical: X = 1712

Sensor resolution = 2277 x 1712

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-460 Zoom del Sol crop factor

Sensor diagonal in mm = 7.19 mm

Crop factor =	43.27	= 6.02
	7.19

400 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).

C-460 Zoom del Sol equivalent aperture

Crop factor = 6.02
Aperture = f3.1 - f5.2

35-mm equivalent aperture = (f3.1 - f5.2) × 6.02 = f18.7 - f31.3

400 equivalent aperture

Crop factor = 6.02
Aperture = f3.1 - f5.2

35-mm equivalent aperture = (f3.1 - f5.2) × 6.02 = f18.7 - f31.3

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