Epson PhotoPC 3000 Zoom vs. Sony Cyber-shot DSC-F505v

Comparison

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Epson PhotoPC 3000 Zoom

Sony Cyber-shot DSC-F505v

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Megapixels

3.34

Max. image resolution

2544 x 1904

2240 x 1680

Sensor

Sensor type

CCD

Sensor size

1/1.8" (~ 7.11 x 5.33 mm)

Sensor resolution

2108 x 1585

Diagonal

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 »

	vs
1	:	1
(ratio)

Epson PhotoPC 3000 Zoom		Sony Cyber-shot DSC-F505v

Surface area:

37.90 mm²

Difference: 0 mm² (0%)

3000 Zoom and F505v sensors are the same size.

Pixel pitch

3.37 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%)

3000 Zoom and F505v have the same pixel pitch.

Pixel area

11.36 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 µm² (0%)

Epson 3000 Zoom and Sony F505v have the same pixel area.

Pixel density

8.79 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%)

Epson 3000 Zoom and Sony F505v have the same pixel density.

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

Specs

Epson 3000 Zoom

Sony F505v

Crop factor

4.87

Total megapixels

Effective megapixels

Optical zoom

Digital zoom

Yes

ISO sensitivity

100, 200, 400

100

RAW

Manual focus

Normal focus range

50 cm

Macro focus range

5 cm

2 cm

Focal length (35mm equiv.)

34 - 102 mm

38 - 190 mm

Aperture priority

Yes

Max. aperture

f2.0 - f2.5

f2.8 - f3.3

Max. aperture (35mm equiv.)

f9.7 - f12.2

f13.6 - f16.1

Metering

256-segment Matrix, Spot

Centre weighted, Spot

Exposure compensation

±2 EV (in 1/3 EV, 1/2 EV steps)

±2 EV (in 1/3 EV steps)

Shutter priority

Yes

Min. shutter speed

8 sec

Max. shutter speed

1/750 sec

1/1000 sec

Built-in flash

External flash

Viewfinder

Optical (tunnel)

None

White balance presets

Screen size

1.8"

Screen resolution

72,000 dots

123,000 dots

Video capture

Max. video resolution

Storage types

CompactFlash type I

Memory Stick

USB

USB 1.0

HDMI

Wireless

GPS

Battery

AA NiMH (4) batteries (supplied)

InfoLithium (NP-FS11)

Weight

360 g

482 g

Dimensions

107 x 88 x 65 mm

107 x 62 x 136 mm

Year

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

Epson 3000 Zoom diagonal

The diagonal of 3000 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

Sony F505v diagonal

The diagonal of F505v 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.

3000 Zoom sensor area

Width = 7.11 mm
Height = 5.33 mm

Surface area = 7.11 × 5.33 = 37.90 mm²

F505v 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

3000 Zoom pixel pitch

Sensor width = 7.11 mm
Sensor resolution width = 2108 pixels

Pixel pitch =	7.11	× 1000	= 3.37 µm
	2108

F505v pixel pitch

Sensor width = 7.11 mm
Sensor resolution width = 2108 pixels

Pixel pitch =	7.11	× 1000	= 3.37 µm
	2108

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

3000 Zoom pixel area

Pixel pitch = 3.37 µm

Pixel area = 3.37² = 11.36 µm²

F505v pixel area

Pixel pitch = 3.37 µm

Pixel area = 3.37² = 11.36 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

3000 Zoom pixel density

Sensor resolution width = 2108 pixels
Sensor width = 0.711 cm

Pixel density = (2108 / 0.711)² / 1000000 = 8.79 MP/cm²

F505v pixel density

Sensor resolution width = 2108 pixels
Sensor width = 0.711 cm

Pixel density = (2108 / 0.711)² / 1000000 = 8.79 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

3000 Zoom sensor resolution

Sensor width = 7.11 mm
Sensor height = 5.33 mm
Effective megapixels = 3.34

r = 7.11/5.33 = 1.33

X = √	3.34 × 1000000	= 1585
	1.33

Resolution horizontal: X × r = 1585 × 1.33 = 2108
Resolution vertical: X = 1585

Sensor resolution = 2108 x 1585

F505v sensor resolution

Sensor width = 7.11 mm
Sensor height = 5.33 mm
Effective megapixels = 3.34

r = 7.11/5.33 = 1.33

X = √	3.34 × 1000000	= 1585
	1.33

Resolution horizontal: X × r = 1585 × 1.33 = 2108
Resolution vertical: X = 1585

Sensor resolution = 2108 x 1585

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

3000 Zoom crop factor

Sensor diagonal in mm = 8.89 mm

Crop factor =	43.27	= 4.87
	8.89

F505v 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).

3000 Zoom equivalent aperture

Crop factor = 4.87
Aperture = f2.0 - f2.5

35-mm equivalent aperture = (f2.0 - f2.5) × 4.87 = f9.7 - f12.2

F505v equivalent aperture

Crop factor = 4.87
Aperture = f2.8 - f3.3

35-mm equivalent aperture = (f2.8 - f3.3) × 4.87 = f13.6 - f16.1

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