Panasonic Lumix DMC-L10 vs. Contax TVS Digital

Comparison

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Lumix DMC-L10 image
vs
TVS Digital image
Panasonic Lumix DMC-L10 Contax TVS Digital
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Megapixels
10.00
5.20
Max. image resolution
3648 x 2736
2560 x 1920

Sensor

Sensor type
CMOS
CCD
Sensor size
Four Thirds (17.3 x 13 mm)
1/1.8" (~ 7.11 x 5.33 mm)
Sensor resolution
3647 x 2742
2629 x 1977
Diagonal
21.64 mm
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
5.93 : 1
(ratio)
Panasonic Lumix DMC-L10 Contax TVS Digital
Surface area:
224.90 mm² vs 37.90 mm²
Difference: 187 mm² (493%)
L10 sensor is approx. 5.93x bigger than TVS sensor.
Note: You are comparing cameras of different generations. There is a 5 year gap between Panasonic L10 (2007) and Contax TVS (2002). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
4.74 µm
2.7 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: 2.04 µm (76%)
Pixel pitch of L10 is approx. 76% higher than pixel pitch of TVS .
Pixel area
22.47 µm²
7.29 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: 15.18 µm² (208%)
A pixel on Panasonic L10 sensor is approx. 208% bigger than a pixel on Contax TVS .
Pixel density
4.44 MP/cm²
13.67 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: 9.23 µm (208%)
Contax TVS has approx. 208% higher pixel density than Panasonic L10.
To learn about the accuracy of these numbers, click here.



Specs

Panasonic L10
Contax TVS
Crop factor
2
4.87
Total megapixels
11.80
Effective megapixels
10.00
Optical zoom
3x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 100, 200, 400, 800, 1600
RAW
Manual focus
Normal focus range
60 cm
Macro focus range
15 cm
Focal length (35mm equiv.)
35 - 105 mm
Aperture priority
Yes
Yes
Max. aperture
f2.8 - f4.8
Max. aperture (35mm equiv.)
n/a
f13.6 - f23.4
Metering
256-zone Multi-pattern, 49-zone Multi-pattern, Centre weighted
Centre weighted
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV, 1/2 EV steps)
Shutter priority
Yes
No
Min. shutter speed
60 sec
1 sec
Max. shutter speed
1/4000 sec
1/2000 sec
Built-in flash
External flash
Viewfinder
Optical (pentamirror)
Optical (tunnel)
White balance presets
7
6
Screen size
2.5"
1.6"
Screen resolution
207,000 dots
84,960 dots
Video capture
Max. video resolution
Storage types
MultiMedia, SDHC, Secure Digital
MultiMedia, Secure Digital
USB
USB 2.0 (480 Mbit/sec)
USB 1.0
HDMI
Wireless
GPS
Battery
Lithium-Ion rechargeable
Lithium-Ion rechargeable
Weight
556 g
210 g
Dimensions
134.5 x 95.5 x 77.5 mm
112 x 60 x 33 mm
Year
2007
2002




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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

Panasonic L10 diagonal

w = 17.30 mm
h = 13.00 mm
Diagonal =  17.30² + 13.00²   = 21.64 mm

Contax TVS diagonal

The diagonal of TVS 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.

L10 sensor area

Width = 17.30 mm
Height = 13.00 mm

Surface area = 17.30 × 13.00 = 224.90 mm²

TVS 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

L10 pixel pitch

Sensor width = 17.30 mm
Sensor resolution width = 3647 pixels
Pixel pitch =   17.30  × 1000  = 4.74 µm
3647

TVS pixel pitch

Sensor width = 7.11 mm
Sensor resolution width = 2629 pixels
Pixel pitch =   7.11  × 1000  = 2.7 µm
2629


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

L10 pixel area

Pixel pitch = 4.74 µm

Pixel area = 4.74² = 22.47 µm²

TVS pixel area

Pixel pitch = 2.7 µm

Pixel area = 2.7² = 7.29 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

L10 pixel density

Sensor resolution width = 3647 pixels
Sensor width = 1.73 cm

Pixel density = (3647 / 1.73)² / 1000000 = 4.44 MP/cm²

TVS pixel density

Sensor resolution width = 2629 pixels
Sensor width = 0.711 cm

Pixel density = (2629 / 0.711)² / 1000000 = 13.67 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

L10 sensor resolution

Sensor width = 17.30 mm
Sensor height = 13.00 mm
Effective megapixels = 10.00
r = 17.30/13.00 = 1.33
X =  10.00 × 1000000  = 2742
1.33
Resolution horizontal: X × r = 2742 × 1.33 = 3647
Resolution vertical: X = 2742

Sensor resolution = 3647 x 2742

TVS sensor resolution

Sensor width = 7.11 mm
Sensor height = 5.33 mm
Effective megapixels = 5.20
r = 7.11/5.33 = 1.33
X =  5.20 × 1000000  = 1977
1.33
Resolution horizontal: X × r = 1977 × 1.33 = 2629
Resolution vertical: X = 1977

Sensor resolution = 2629 x 1977


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


L10 crop factor

Sensor diagonal in mm = 21.64 mm
Crop factor =   43.27  = 2
21.64

TVS 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).

L10 equivalent aperture

Aperture is a lens characteristic, so it's calculated only for fixed lens cameras. If you want to know the equivalent aperture for Panasonic L10, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Panasonic L10 is 2

TVS equivalent aperture

Crop factor = 4.87
Aperture = f2.8 - f4.8

35-mm equivalent aperture = (f2.8 - f4.8) × 4.87 = f13.6 - f23.4

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