Sony Cyber-shot DSC-HX60 vs. Panasonic Lumix DMC-TZ50

Comparison

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Cyber-shot DSC-HX60 image
vs
Lumix DMC-TZ50 image
Sony Cyber-shot DSC-HX60 Panasonic Lumix DMC-TZ50
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Megapixels
20.40
9.10
Max. image resolution
5184 x 3888
3456 x 2592

Sensor

Sensor type
CMOS
CCD
Sensor size
1/2.3" (~ 6.16 x 4.62 mm)
1/2.33" (~ 6.08 x 4.56 mm)
Sensor resolution
5208 x 3916
3479 x 2616
Diagonal
7.70 mm
7.60 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
1.03 : 1
(ratio)
Sony Cyber-shot DSC-HX60 Panasonic Lumix DMC-TZ50
Surface area:
28.46 mm² vs 27.72 mm²
Difference: 0.74 mm² (3%)
HX60 sensor is slightly bigger than TZ50 sensor (only 3% difference).
Note: You are comparing sensors of very different generations. There is a gap of 6 years between Sony HX60 (2014) and Panasonic TZ50 (2008). Six years is a lot of time in terms of technology, meaning newer sensors are overall much more efficient than the older ones.
Pixel pitch
1.18 µm
1.75 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: 0.57 µm (48%)
Pixel pitch of TZ50 is approx. 48% higher than pixel pitch of HX60.
Pixel area
1.39 µm²
3.06 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: 1.67 µm² (120%)
A pixel on Panasonic TZ50 sensor is approx. 120% bigger than a pixel on Sony HX60.
Pixel density
71.48 MP/cm²
32.74 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: 38.74 µm (118%)
Sony HX60 has approx. 118% higher pixel density than Panasonic TZ50.
To learn about the accuracy of these numbers, click here.

Specs

Sony HX60
Panasonic TZ50
Crop factor
5.62
5.69
Total megapixels
10.70
Effective megapixels
20.40
9.10
Optical zoom
30x
10x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 80-3200 (6400, 12800)
Auto, 100, 200, 400, 800, 1600, 6400
RAW
Manual focus
Normal focus range
50 cm
Macro focus range
5 cm
5 cm
Focal length (35mm equiv.)
24 - 720 mm
28 - 280 mm
Aperture priority
Yes
No
Max. aperture
f3.5 - f6.3
f3.3 - f4.9
Max. aperture (35mm equiv.)
f19.7 - f35.4
f18.8 - f27.9
Metering
Multi, Center-weighted, Spot
Centre weighted, Intelligent Multiple, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
Yes
No
Min. shutter speed
30 sec
60 sec
Max. shutter speed
1/1600 sec
1/2000 sec
Built-in flash
External flash
Viewfinder
None
White balance presets
7
6
Screen size
3"
3"
Screen resolution
921,600 dots
460,000 dots
Video capture
Max. video resolution
1920x1080 (50p)
Storage types
SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
SDHC, Secure Digital
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
Battery Pack NP-BX1
Lithium-Ion rechargeable
Weight
272 g
214 g
Dimensions
108.1 x 63.6 x 38.3 mm
103.3 x 59.3 x 36.5 mm
Year
2014
2008



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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

Sony HX60 diagonal

The diagonal of HX60 sensor is not 1/2.3 or 0.43" (11 mm) as you might expect, but approximately two thirds of that value - 7.7 mm. If you want to know why, see sensor sizes.

w = 6.16 mm
h = 4.62 mm
Diagonal =  6.16² + 4.62²   = 7.70 mm

Panasonic TZ50 diagonal

The diagonal of TZ50 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


Surface area

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

HX60 sensor area

Width = 6.16 mm
Height = 4.62 mm

Surface area = 6.16 × 4.62 = 28.46 mm²

TZ50 sensor area

Width = 6.08 mm
Height = 4.56 mm

Surface area = 6.08 × 4.56 = 27.72 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

HX60 pixel pitch

Sensor width = 6.16 mm
Sensor resolution width = 5208 pixels
Pixel pitch =   6.16  × 1000  = 1.18 µm
5208

TZ50 pixel pitch

Sensor width = 6.08 mm
Sensor resolution width = 3479 pixels
Pixel pitch =   6.08  × 1000  = 1.75 µm
3479


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

HX60 pixel area

Pixel pitch = 1.18 µm

Pixel area = 1.18² = 1.39 µm²

TZ50 pixel area

Pixel pitch = 1.75 µm

Pixel area = 1.75² = 3.06 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

HX60 pixel density

Sensor resolution width = 5208 pixels
Sensor width = 0.616 cm

Pixel density = (5208 / 0.616)² / 1000000 = 71.48 MP/cm²

TZ50 pixel density

Sensor resolution width = 3479 pixels
Sensor width = 0.608 cm

Pixel density = (3479 / 0.608)² / 1000000 = 32.74 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

HX60 sensor resolution

Sensor width = 6.16 mm
Sensor height = 4.62 mm
Effective megapixels = 20.40
r = 6.16/4.62 = 1.33
X =  20.40 × 1000000  = 3916
1.33
Resolution horizontal: X × r = 3916 × 1.33 = 5208
Resolution vertical: X = 3916

Sensor resolution = 5208 x 3916

TZ50 sensor resolution

Sensor width = 6.08 mm
Sensor height = 4.56 mm
Effective megapixels = 9.10
r = 6.08/4.56 = 1.33
X =  9.10 × 1000000  = 2616
1.33
Resolution horizontal: X × r = 2616 × 1.33 = 3479
Resolution vertical: X = 2616

Sensor resolution = 3479 x 2616


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


HX60 crop factor

Sensor diagonal in mm = 7.70 mm
Crop factor =   43.27  = 5.62
7.70

TZ50 crop factor

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

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).

HX60 equivalent aperture

Crop factor = 5.62
Aperture = f3.5 - f6.3

35-mm equivalent aperture = (f3.5 - f6.3) × 5.62 = f19.7 - f35.4

TZ50 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

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