Samsung Digimax 350SE vs. Samsung PL70

Comparison

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Samsung Digimax 350SE

Samsung PL70

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Megapixels

3.10

12.20

Max. image resolution

2048 x 1536

4000 x 3000

Sensor

Sensor type

CCD

Sensor size

1/1.8" (~ 7.11 x 5.33 mm)

1/2.33" (~ 6.08 x 4.56 mm)

Sensor resolution

2031 x 1527

4029 x 3029

Diagonal

8.89 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
1.37	:	1
(ratio)

Samsung Digimax 350SE		Samsung PL70

Surface area:

37.90 mm²

27.72 mm²

Difference: 10.18 mm² (37%)

350SE sensor is approx. 1.37x bigger than PL70 sensor.

Note: You are comparing sensors of very different generations. There is a gap of 7 years between Samsung 350SE (2002) and Samsung PL70 (2009). Seven years is a lot of time in terms of technology, meaning newer sensors are overall much more efficient than the older ones.

Pixel pitch

3.5 µm

1.51 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: 1.99 µm (132%)

Pixel pitch of 350SE is approx. 132% higher than pixel pitch of PL70.

Pixel area

12.25 µm²

2.28 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:

Pixel area difference: 9.97 µm² (437%)

A pixel on Samsung 350SE sensor is approx. 437% bigger than a pixel on Samsung PL70.

Pixel density

8.16 MP/cm²

43.91 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: 35.75 µm (438%)

Samsung PL70 has approx. 438% higher pixel density than Samsung 350SE.

To learn about the accuracy of these numbers, click here.

Specs

Samsung 350SE

Samsung PL70

Crop factor

4.87

5.69

Total megapixels

3.30

Effective megapixels

3.10

Optical zoom

Yes

Digital zoom

Yes

ISO sensitivity

Auto, 100, 200, 400

Auto, 80, 100, 200, 400, 800, 1600, 3200

RAW

Manual focus

Normal focus range

80 cm

Macro focus range

20 cm

5 cm

Focal length (35mm equiv.)

34 - 102 mm

28 - 144 mm

Aperture priority

Max. aperture

f2.6 - f4.5

f3.4 - f5.8

Max. aperture (35mm equiv.)

f12.7 - f21.9

f19.3 - f33

Metering

Multi, Center-weighted, Spot

Centre weighted, Multi Spot, Spot

Exposure compensation

±2 EV (in 1/2 EV steps)

±2 EV (in 1/3 EV steps)

Shutter priority

Min. shutter speed

4 sec

16 sec

Max. shutter speed

1/2000 sec

Built-in flash

External flash

Viewfinder

Optical (tunnel)

None

White balance presets

Screen size

1.5"

Screen resolution

120,000 dots

230,000 dots

Video capture

Max. video resolution

Storage types

Compact Flash Type I

SDHC, Secure Digital

USB

USB 1.0

USB 2.0 (480 Mbit/sec)

HDMI

Wireless

GPS

Battery

AA (4) batteries (NiMH recommended)

Li-Ion

Weight

320 g

149 g

Dimensions

114 x 70 x 50 mm

96 x 60 x 24 mm

Year

2002

2009

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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

Samsung 350SE diagonal

The diagonal of 350SE 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

Samsung PL70 diagonal

The diagonal of PL70 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.

350SE sensor area

Width = 7.11 mm
Height = 5.33 mm

Surface area = 7.11 × 5.33 = 37.90 mm²

PL70 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

350SE pixel pitch

Sensor width = 7.11 mm
Sensor resolution width = 2031 pixels

Pixel pitch =	7.11	× 1000	= 3.5 µm
	2031

PL70 pixel pitch

Sensor width = 6.08 mm
Sensor resolution width = 4029 pixels

Pixel pitch =	6.08	× 1000	= 1.51 µm
	4029

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

350SE pixel area

Pixel pitch = 3.5 µm

Pixel area = 3.5² = 12.25 µm²

PL70 pixel area

Pixel pitch = 1.51 µm

Pixel area = 1.51² = 2.28 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

350SE pixel density

Sensor resolution width = 2031 pixels
Sensor width = 0.711 cm

Pixel density = (2031 / 0.711)² / 1000000 = 8.16 MP/cm²

PL70 pixel density

Sensor resolution width = 4029 pixels
Sensor width = 0.608 cm

Pixel density = (4029 / 0.608)² / 1000000 = 43.91 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

350SE sensor resolution

Sensor width = 7.11 mm
Sensor height = 5.33 mm
Effective megapixels = 3.10

r = 7.11/5.33 = 1.33

X = √	3.10 × 1000000	= 1527
	1.33

Resolution horizontal: X × r = 1527 × 1.33 = 2031
Resolution vertical: X = 1527

Sensor resolution = 2031 x 1527

PL70 sensor resolution

Sensor width = 6.08 mm
Sensor height = 4.56 mm
Effective megapixels = 12.20

r = 6.08/4.56 = 1.33

X = √	12.20 × 1000000	= 3029
	1.33

Resolution horizontal: X × r = 3029 × 1.33 = 4029
Resolution vertical: X = 3029

Sensor resolution = 4029 x 3029

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

350SE crop factor

Sensor diagonal in mm = 8.89 mm

Crop factor =	43.27	= 4.87
	8.89

PL70 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).

350SE equivalent aperture

Crop factor = 4.87
Aperture = f2.6 - f4.5

35-mm equivalent aperture = (f2.6 - f4.5) × 4.87 = f12.7 - f21.9

PL70 equivalent aperture

Crop factor = 5.69
Aperture = f3.4 - f5.8

35-mm equivalent aperture = (f3.4 - f5.8) × 5.69 = f19.3 - f33

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