Epson PhotoPC L200
Specs
Brand:  Epson 
Model:  PhotoPC L200 
Megapixels:  2.11 
Sensor:  1/2.5" (~ 5.75 x 4.32 mm) 
Price:  check here » 
Sensor info
Epson L200 comes with a
1/2.5" (~ 5.75 x 4.32 mm) CCD sensor, which has a diagonal of
7.19 mm (0.28") and a surface area of
24.84 mm².
If you want to know about the accuracy of these numbers,
click here.
Actual sensor size
Note: Actual size is set to screen → change »
This is the actual size of the L200 sensor: ~5.75 x 4.32 mm
The sensor has a surface area of 24.8 mm².
There are approx. 2,110,000 photosites (pixels) on this area.
Pixel pitch, which is a measure of the distance between pixels, is 3.43 µm.
Pixel pitch tells you the distance from the center of one pixel (photosite) to the center of the next.
Pixel or photosite area is 11.76 µm². The larger the photosite, the more light it can capture and the more information can be recorded.
Pixel density tells you how many million pixels fit or would fit in one square cm of the sensor. Epson L200 has a pixel density of 8.5 MP/cm².
These numbers are important in terms of assessing the overall quality of a digital camera. Generally, the bigger (and newer) the sensor, pixel pitch and photosite area, and the smaller the pixel density, the better the camera. If you want to see how L200 compares to other cameras, click here.
Pixel or photosite area is 11.76 µm². The larger the photosite, the more light it can capture and the more information can be recorded.
Pixel density tells you how many million pixels fit or would fit in one square cm of the sensor. Epson L200 has a pixel density of 8.5 MP/cm².
These numbers are important in terms of assessing the overall quality of a digital camera. Generally, the bigger (and newer) the sensor, pixel pitch and photosite area, and the smaller the pixel density, the better the camera. If you want to see how L200 compares to other cameras, click here.
Specifications
Brand:  Epson 
Model:  PhotoPC L200 
Megapixels:  2.11 
Sensor size:  1/2.5" (~ 5.75 x 4.32 mm) 
Sensor type:  CCD 
Sensor resolution:  1676 x 1260 
Max. image resolution:  1600 x 1200 
Crop factor:  6.02 
Optical zoom:  Yes 
Digital zoom:  Yes 
ISO:  100400 (Auto) 
RAW support:  
Manual focus:  
Normal focus range:  50 cm 
Macro focus range:  11 cm 
Focal length (35mm equiv.):  34  102 mm 
Aperture priority:  No 
Max aperture:  f2.8  f4.9 
Max. aperture (35mm equiv.):  f16.9  f29.5 
Depth of field:  simulate → 
Metering:  Centre weighted 
Exposure Compensation:  ±2 EV (in 1/3 EV steps) 
Shutter priority:  No 
Min. shutter speed:  1/2 sec 
Max. shutter speed:  1/2000 sec 
Builtin flash:  
External flash:  
Viewfinder:  Optical 
White balance presets:  5 
Screen size:  1.5" 
Screen resolution:  
Video capture:  
Storage types:  MultiMedia, Secure Digital 
USB:  USB 1.1 
HDMI:  
Wireless:  
GPS:  
Battery:  4x AA 
Weight:  185 g 
Dimensions:  105 x 60 x 32 mm 
Year:  2003 
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Diagonal
The diagonal of L200 sensor is not 1/2.5 or 0.4" (10.2 mm) as you might expect, but approximately two thirds of
that value  0.28" (7.19 mm). If you want to know why, see
sensor sizes.
Diagonal is calculated by the use of Pythagorean theorem:
where w = sensor width and h = sensor height
Diagonal is calculated by the use of Pythagorean theorem:
Diagonal = √  w² + h² 
Epson L200 diagonal:
w = 5.75 mm
h = 4.32 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.
Width = 5.75 mm
Height = 4.32 mm
Surface area = 5.75 × 4.32 = 24.84 mm²
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 
Epson L200 pixel pitch:
Sensor width = 5.75 mm
Sensor resolution width = 1676 pixels
Sensor resolution width = 1676 pixels
Pixel pitch =  5.75  × 1000  = 3.43 µm 
1676 
Pixel area
The area of one pixel can be calculated by simply squaring the pixel pitch:
You could also divide sensor surface area with effective megapixels:
Pixel area = pixel pitch²
You could also divide sensor surface area with effective megapixels:
Pixel area =  sensor surface area in mm² 
effective megapixels 
Epson L200 pixel area:
Pixel pitch = 3.43 µm
Pixel area = 3.43² = 11.76 µm²
Pixel area = 3.43² = 11.76 µm²
Pixel density
Pixel density can be calculated with the following formula:
You could also use this formula:
Pixel density = (  sensor resolution width in pixels  )² / 1000000 
sensor width in cm 
You could also use this formula:
Pixel density =  effective megapixels × 1000000  / 10000 
sensor surface area in mm² 
Epson L200 pixel density:
Sensor resolution width = 1676 pixels
Sensor width = 0.575 cm
Pixel density = (1676 / 0.575)² / 1000000 = 8.5 MP/cm²
Sensor width = 0.575 cm
Pixel density = (1676 / 0.575)² / 1000000 = 8.5 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:
3. To get sensor resolution we then multiply X with the corresponding ratio:
Resolution horizontal: X × r
Resolution vertical: X
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 → 

Resolution horizontal: X × r
Resolution vertical: X
Epson PhotoPC L200 sensor resolution:
Sensor width = 5.75 mm
Sensor height = 4.32 mm
Effective megapixels = 2.11
Resolution horizontal: X × r = 1260 × 1.33 = 1676
Resolution vertical: X = 1260
Sensor resolution = 1676 x 1260
Sensor height = 4.32 mm
Effective megapixels = 2.11
r = 5.75/4.32 = 1.33 

Resolution vertical: X = 1260
Sensor resolution = 1676 x 1260
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 
Epson L200 crop factor:
Sensor diagonal = 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).
Epson PhotoPC L200 equivalent aperture:
Crop factor = 6.02
Aperture = f2.8  f4.9
35mm equivalent aperture = (f2.8  f4.9) × 6.02 = f16.9  f29.5
Aperture = f2.8  f4.9
35mm equivalent aperture = (f2.8  f4.9) × 6.02 = f16.9  f29.5
Enter your screen size (diagonal)
My screen size is
inches
Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a sensor won't be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a sensor won't be shown correctly.