Panasonic Lumix DMC-SZ3 vs. Panasonic Lumix DMC-SZ1

Comparison

Lumix DMC-SZ3 image
vs.
Lumix DMC-SZ1 image

 

Panasonic Lumix DMC-SZ3 Panasonic Lumix DMC-SZ1
Megapixels
16.10 16.10
Max. resolution
4608 x 3456 4608 x 3456
Price
Amazon, B&H Photo, Adorama Amazon, B&H Photo, Adorama

Sensor

Sensor type
CCD CCD
Sensor size
1/2.33" (~ 6.08 x 4.56 mm) 1/2.33" (~ 6.08 x 4.56 mm)
Sensor resolution
4627 x 3479  4627 x 3479 
Diagonal
7.60 mm  7.60 mm 
Surface area
27.72 mm²  27.72 mm² 
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 sizes:
Panasonic Lumix DMC-SZ3
vs.
Panasonic Lumix DMC-SZ1
 
Surface area:
Panasonic Lumix DMC-SZ3
Panasonic Lumix DMC-SZ1
Difference: 0 mm² (0%)
Panasonic Lumix DMC-SZ3 and Panasonic Lumix DMC-SZ1 have the same surface area.
Pixel pitch
1.31 µm  1.31 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.
Pixel pitch
Panasonic Lumix DMC-SZ3
Panasonic Lumix DMC-SZ1
Difference: 0 µm (0%)
Panasonic Lumix DMC-SZ3 and Panasonic Lumix DMC-SZ1 have the same pixel pitch.
Pixel area
1.72 µm²  1.72 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:
Panasonic Lumix DMC-SZ3
vs.
Panasonic Lumix DMC-SZ1
Pixel area difference: 0 µm² (0%)
Panasonic Lumix DMC-SZ3 and Panasonic Lumix DMC-SZ1 have the same pixel area.
Pixel density
57.92 MP/cm²  57.92 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.
Pixel density
Panasonic Lumix DMC-SZ3
Panasonic Lumix DMC-SZ1
Difference: 0 MP/cm² (0%)
Panasonic Lumix DMC-SZ3 and Panasonic Lumix DMC-SZ1 have the same pixel density.
To learn about the accuracy of these numbers, click here.

Other specifications

Crop factor
5.69  5.69 
Total megapixels
16.60 16.60
Effective megapixels
16.10 16.10
Optical zoom
10x 10x
Digital zoom
Yes Yes
Iso
Auto, Hi Auto (1600-6400), 100, 200, 400, 800, 1600, 3200, 6400 Auto, 100 - 3200
Auto focus
Yes Yes
Manual focus
n/a No
Normal focus range
n/a 50 cm
Macro focus range
5 cm 5 cm
Focal length (35mm equiv.)
25 - 250 mm 25 - 250 mm
Aperture priority
No No
Aperture
f3.1 - f5.9 f3.1 - f5.9
Aperture (35mm equiv.)
f17.6 - f33.6  f17.6 - f33.6 
Metering
Multi Matrix, Multi-segment
Exposure compensation
±2EV, 1/3EV step -2EV - +2EV with 1/3EV steps
Shutter priority
No No
Min. shutter speed
60 sec 8 sec
Max. shutter speed
1/6000 sec 1/1600 sec
Flash modes
Auto, On, Off, Red-eye, Slow Syncro Anti red-eye, Auto, Fill in, Off, Slow flash
Built-in flash
Yes Yes
External flash
No No
Viewfinder
None None
White balance presets
4 7
LCD display
Yes Yes
LCD size
2.7" 3"
LCD resolution
230,000 230,000
Min. image resolution
640 x 480 640 x 480
Selftimer
Yes Yes
Storage types
SD/SDHC/SDXC SDHC, SDXC, Secure Digital
USB
USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
Batteries
Lithium-Ion rechargeable battery & charger Lithium-Ion rechargeable battery & charger
Weight
126 g 131g
Dimensions
94.8 x 55.8 x 21.9 mm 99x59x21 mm
Year
2013 2012



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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 Lumix DMC-SZ3 diagonal

The diagonal of Panasonic Lumix DMC-SZ3 image sensor is not 1/2.33 inch as you might expect, but approximately two thirds of that value. 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

Panasonic Lumix DMC-SZ1 diagonal

The diagonal of Panasonic Lumix DMC-SZ1 image sensor is not 1/2.33 inch as you might expect, but approximately two thirds of that value. 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.

Panasonic Lumix DMC-SZ3 surface area

Width = 6.08 mm
Height = 4.56 mm

Surface area = 6.08 × 4.56 = 27.72 mm²

Panasonic Lumix DMC-SZ1 surface 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

Panasonic Lumix DMC-SZ3 pixel pitch

Sensor width = 6.08 mm
Sensor resolution width = 4627 pixels
Pixel pitch =   6.08  × 1000  = 1.31 µm
4627

Panasonic Lumix DMC-SZ1 pixel pitch

Sensor width = 6.08 mm
Sensor resolution width = 4627 pixels
Pixel pitch =   6.08  × 1000  = 1.31 µm
4627


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

Panasonic Lumix DMC-SZ3 pixel area

Pixel pitch = 1.31 µm

Pixel area = 1.31² = 1.72 µm²

Panasonic Lumix DMC-SZ1 pixel area

Pixel pitch = 1.31 µm

Pixel area = 1.31² = 1.72 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

You could also use this formula:
Pixel density =   effective megapixels × 1000000  / 10000
sensor surface area in mm²

Panasonic Lumix DMC-SZ3 pixel density

Sensor resolution width = 4627 pixels
Sensor width = 0.608 cm

Pixel density = (4627 / 0.608)² / 1000000 = 57.92 MP/cm²

Panasonic Lumix DMC-SZ1 pixel density

Sensor resolution width = 4627 pixels
Sensor width = 0.608 cm

Pixel density = (4627 / 0.608)² / 1000000 = 57.92 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. 22.8 × 15.5 sensor for example has a ratio of 1.47.

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

Panasonic Lumix DMC-SZ3 sensor resolution

Sensor width = 6.08 mm
Sensor height = 4.56 mm
Effective megapixels = 16.10
r = 6.08/4.56 = 1.33
X =  16.10 × 1000000  = 3479
1.33
Resolution horizontal: X × r = 3479 × 1.33 = 4627
Resolution vertical: X = 3479

Sensor resolution = 4627 x 3479

Panasonic Lumix DMC-SZ1 sensor resolution

Sensor width = 6.08 mm
Sensor height = 4.56 mm
Effective megapixels = 16.10
r = 6.08/4.56 = 1.33
X =  16.10 × 1000000  = 3479
1.33
Resolution horizontal: X × r = 3479 × 1.33 = 4627
Resolution vertical: X = 3479

Sensor resolution = 4627 x 3479


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


Panasonic Lumix DMC-SZ3 crop factor

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

Panasonic Lumix DMC-SZ1 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).

Panasonic Lumix DMC-SZ3 equivalent aperture

Crop factor = 5.69
Aperture = f3.1 - f5.9

35-mm equivalent aperture = (f3.1 - f5.9) × 5.69 = f17.6 - f33.6

Panasonic Lumix DMC-SZ1 equivalent aperture

Crop factor = 5.69
Aperture = f3.1 - f5.9

35-mm equivalent aperture = (f3.1 - f5.9) × 5.69 = f17.6 - f33.6


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