Panasonic Lumix DMC-TZ10 vs. Canon EOS 400D

Comparison

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Lumix DMC-TZ10 image
vs
EOS 400D image
Panasonic Lumix DMC-TZ10 Canon EOS 400D
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Megapixels
12.10
10.10
Max. image resolution
4000 x 3000
3888 x 2592

Sensor

Sensor type
CCD
CMOS
Sensor size
1/2.33" (~ 6.08 x 4.56 mm)
22.2 x 14.8 mm
Sensor resolution
4011 x 3016
3893 x 2595
Diagonal
7.60 mm
26.68 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 : 11.85
(ratio)
Panasonic Lumix DMC-TZ10 Canon EOS 400D
Surface area:
27.72 mm² vs 328.56 mm²
Difference: 300.84 mm² (1085%)
400D sensor is approx. 11.85x bigger than TZ10 sensor.
Note: You are comparing cameras of different generations. There is a 4 year gap between Panasonic TZ10 (2010) and Canon 400D (2006). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
1.52 µm
5.7 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: 4.18 µm (275%)
Pixel pitch of 400D is approx. 275% higher than pixel pitch of TZ10.
Pixel area
2.31 µm²
32.49 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: 30.18 µm² (1306%)
A pixel on Canon 400D sensor is approx. 1306% bigger than a pixel on Panasonic TZ10.
Pixel density
43.52 MP/cm²
3.08 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: 40.44 µm (1313%)
Panasonic TZ10 has approx. 1313% higher pixel density than Canon 400D.
To learn about the accuracy of these numbers, click here.



Specs

Panasonic TZ10
Canon 400D
Crop factor
5.69
1.62
Total megapixels
14.50
10.50
Effective megapixels
12.10
10.10
Optical zoom
12x
Digital zoom
Yes
No
ISO sensitivity
Auto, 80, 100, 200, 400, 800, 1600 - 6400
Auto, 100, 200, 400, 800, 1600
RAW
Manual focus
Normal focus range
50 cm
Macro focus range
3 cm
Focal length (35mm equiv.)
25 - 300 mm
Aperture priority
Yes
Yes
Max. aperture
f3.3 - f4.9
Max. aperture (35mm equiv.)
f18.8 - f27.9
n/a
Metering
Centre weighted, Intelligent Multiple, Spot
Centre weighted, Matrix, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
Yes
Yes
Min. shutter speed
60 sec
Bulb+30 sec
Max. shutter speed
1/2000 sec
1/4000 sec
Built-in flash
External flash
Viewfinder
None
Optical (pentamirror)
White balance presets
6
6
Screen size
3"
2.5"
Screen resolution
460,000 dots
230,000 dots
Video capture
Max. video resolution
Storage types
SDHC, SDXC, Secure Digital
CompactFlash type I, CompactFlash type II, Microdrive
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Lithium-Ion rechargeable battery
AA (2) batteries (NiMH recommended)
Weight
128 g
556 g
Dimensions
103.3 x 59.6 x 32.6 mm
126 x 94 x 65 mm
Year
2010
2006




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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 TZ10 diagonal

The diagonal of TZ10 sensor is not 1/2.33 or 0.43" (10.9 mm) as you might expect, but approximately two thirds of that value - 7.6 mm. If you want to know why, see sensor sizes.

w = 6.08 mm
h = 4.56 mm
Diagonal =  6.08² + 4.56²   = 7.60 mm

Canon 400D diagonal

w = 22.20 mm
h = 14.80 mm
Diagonal =  22.20² + 14.80²   = 26.68 mm


Surface area

Surface area is calculated by multiplying the width and the height of a sensor.

TZ10 sensor area

Width = 6.08 mm
Height = 4.56 mm

Surface area = 6.08 × 4.56 = 27.72 mm²

400D sensor area

Width = 22.20 mm
Height = 14.80 mm

Surface area = 22.20 × 14.80 = 328.56 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

TZ10 pixel pitch

Sensor width = 6.08 mm
Sensor resolution width = 4011 pixels
Pixel pitch =   6.08  × 1000  = 1.52 µm
4011

400D pixel pitch

Sensor width = 22.20 mm
Sensor resolution width = 3893 pixels
Pixel pitch =   22.20  × 1000  = 5.7 µm
3893


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

TZ10 pixel area

Pixel pitch = 1.52 µm

Pixel area = 1.52² = 2.31 µm²

400D pixel area

Pixel pitch = 5.7 µm

Pixel area = 5.7² = 32.49 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

TZ10 pixel density

Sensor resolution width = 4011 pixels
Sensor width = 0.608 cm

Pixel density = (4011 / 0.608)² / 1000000 = 43.52 MP/cm²

400D pixel density

Sensor resolution width = 3893 pixels
Sensor width = 2.22 cm

Pixel density = (3893 / 2.22)² / 1000000 = 3.08 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

TZ10 sensor resolution

Sensor width = 6.08 mm
Sensor height = 4.56 mm
Effective megapixels = 12.10
r = 6.08/4.56 = 1.33
X =  12.10 × 1000000  = 3016
1.33
Resolution horizontal: X × r = 3016 × 1.33 = 4011
Resolution vertical: X = 3016

Sensor resolution = 4011 x 3016

400D sensor resolution

Sensor width = 22.20 mm
Sensor height = 14.80 mm
Effective megapixels = 10.10
r = 22.20/14.80 = 1.5
X =  10.10 × 1000000  = 2595
1.5
Resolution horizontal: X × r = 2595 × 1.5 = 3893
Resolution vertical: X = 2595

Sensor resolution = 3893 x 2595


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


TZ10 crop factor

Sensor diagonal in mm = 7.60 mm
Crop factor =   43.27  = 5.69
7.60

400D crop factor

Sensor diagonal in mm = 26.68 mm
Crop factor =   43.27  = 1.62
26.68

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).

TZ10 equivalent aperture

Crop factor = 5.69
Aperture = f3.3 - f4.9

35-mm equivalent aperture = (f3.3 - f4.9) × 5.69 = f18.8 - f27.9

400D 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 Canon 400D, take the aperture of the lens you're using and multiply it with crop factor.

Crop factor for Canon 400D is 1.62

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