Epson PhotoPC 3000 Zoom vs. Epson PhotoPC L-500V

Comparison

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PhotoPC 3000 Zoom image
vs
PhotoPC L-500V image
Epson PhotoPC 3000 Zoom Epson PhotoPC L-500V
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Megapixels
3.34
5.00
Max. image resolution
2544 x 1904
2560 x 1920

Sensor

Sensor type
CCD
CCD
Sensor size
1/1.8" (~ 7.11 x 5.33 mm)
1/2.5" (~ 5.75 x 4.32 mm)
Sensor resolution
2108 x 1585
2579 x 1939
Diagonal
8.89 mm
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
1.53 : 1
(ratio)
Epson PhotoPC 3000 Zoom Epson PhotoPC L-500V
Surface area:
37.90 mm² vs 24.84 mm²
Difference: 13.06 mm² (53%)
3000 Zoom sensor is approx. 1.53x bigger than L-500V sensor.
Note: You are comparing cameras of different generations. There is a 4 year gap between Epson 3000 Zoom (2000) and Epson L-500V (2004). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
3.37 µm
2.23 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: 1.14 µm (51%)
Pixel pitch of 3000 Zoom is approx. 51% higher than pixel pitch of L-500V.
Pixel area
11.36 µm²
4.97 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: 6.39 µm² (129%)
A pixel on Epson 3000 Zoom sensor is approx. 129% bigger than a pixel on Epson L-500V.
Pixel density
8.79 MP/cm²
20.12 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: 11.33 µm (129%)
Epson L-500V has approx. 129% higher pixel density than Epson 3000 Zoom.
To learn about the accuracy of these numbers, click here.



Specs

Epson 3000 Zoom
Epson L-500V
Crop factor
4.87
6.02
Total megapixels
5.36
Effective megapixels
5.00
Optical zoom
3x
3x
Digital zoom
Yes
Yes
ISO sensitivity
100, 200, 400
Auto, 100, 200, 400
RAW
Manual focus
Normal focus range
50 cm
50 cm
Macro focus range
5 cm
5 cm
Focal length (35mm equiv.)
34 - 102 mm
34 - 102 mm
Aperture priority
Yes
No
Max. aperture
f2.0 - f2.5
f2.8 - f4.9
Max. aperture (35mm equiv.)
f9.7 - f12.2
f16.9 - f29.5
Metering
256-segment Matrix, Spot
Multi, Center-weighted, Spot
Exposure compensation
±2 EV (in 1/3 EV, 1/2 EV steps)
±2 EV (in 1/2 EV steps)
Shutter priority
Yes
No
Min. shutter speed
8 sec
1 sec
Max. shutter speed
1/750 sec
1/2000 sec
Built-in flash
External flash
Viewfinder
Optical (tunnel)
None
White balance presets
4
5
Screen size
1.8"
2.5"
Screen resolution
72,000 dots
200,000 dots
Video capture
Max. video resolution
Storage types
CompactFlash type I
SD card
USB
USB 1.0
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
AA NiMH (4) batteries (supplied)
Lithium-Ion rechargeable
Weight
360 g
200 g
Dimensions
107 x 88 x 65 mm
92 x 62 x 32 mm
Year
2000
2004




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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

Epson L-500V diagonal

The diagonal of L-500V 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.

3000 Zoom sensor area

Width = 7.11 mm
Height = 5.33 mm

Surface area = 7.11 × 5.33 = 37.90 mm²

L-500V 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

3000 Zoom pixel pitch

Sensor width = 7.11 mm
Sensor resolution width = 2108 pixels
Pixel pitch =   7.11  × 1000  = 3.37 µm
2108

L-500V pixel pitch

Sensor width = 5.75 mm
Sensor resolution width = 2579 pixels
Pixel pitch =   5.75  × 1000  = 2.23 µm
2579


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

L-500V pixel area

Pixel pitch = 2.23 µm

Pixel area = 2.23² = 4.97 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

L-500V pixel density

Sensor resolution width = 2579 pixels
Sensor width = 0.575 cm

Pixel density = (2579 / 0.575)² / 1000000 = 20.12 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

L-500V sensor resolution

Sensor width = 5.75 mm
Sensor height = 4.32 mm
Effective megapixels = 5.00
r = 5.75/4.32 = 1.33
X =  5.00 × 1000000  = 1939
1.33
Resolution horizontal: X × r = 1939 × 1.33 = 2579
Resolution vertical: X = 1939

Sensor resolution = 2579 x 1939


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

L-500V 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).

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

L-500V equivalent aperture

Crop factor = 6.02
Aperture = f2.8 - f4.9

35-mm equivalent aperture = (f2.8 - f4.9) × 6.02 = f16.9 - f29.5

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