Panasonic Lumix DMC-LC33 vs. Nikon Coolpix P50

Comparison

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Lumix DMC-LC33 image
vs
Coolpix P50 image
Panasonic Lumix DMC-LC33 Nikon Coolpix P50
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Megapixels
3.10
8.10
Max. image resolution
2048 x 1536
3264 x 2448

Sensor

Sensor type
CCD
CCD
Sensor size
1/2.5" (~ 5.75 x 4.32 mm)
1/2.5" (~ 5.75 x 4.32 mm)
Sensor resolution
2031 x 1527
3282 x 2468
Diagonal
7.19 mm
7.19 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 »
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1 : 1
(ratio)
Panasonic Lumix DMC-LC33 Nikon Coolpix P50
Surface area:
24.84 mm² vs 24.84 mm²
Difference: 0 mm² (0%)
LC33 and P50 sensors are the same size.
Note: You are comparing cameras of different generations. There is a 4 year gap between Panasonic LC33 (2003) and Nikon P50 (2007). All things being equal, newer sensor generations generally outperform the older.
Pixel pitch
2.83 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: 1.08 µm (62%)
Pixel pitch of LC33 is approx. 62% higher than pixel pitch of P50.
Pixel area
8.01 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: 4.95 µm² (162%)
A pixel on Panasonic LC33 sensor is approx. 162% bigger than a pixel on Nikon P50.
Pixel density
12.48 MP/cm²
32.58 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: 20.1 µm (161%)
Nikon P50 has approx. 161% higher pixel density than Panasonic LC33.
To learn about the accuracy of these numbers, click here.



Specs

Panasonic LC33
Nikon P50
Crop factor
6.02
6.02
Total megapixels
3.30
8.30
Effective megapixels
3.10
8.10
Optical zoom
3x
3.6x
Digital zoom
Yes
Yes
ISO sensitivity
Auto, 50, 100, 200, 400
Auto, (64 - 1000), 64, 100, 200, 400, 800, 1600, 2000
RAW
Manual focus
Normal focus range
50 cm
50 cm
Macro focus range
10 cm
5 cm
Focal length (35mm equiv.)
35 - 105 mm
28 - 102 mm
Aperture priority
No
Yes
Max. aperture
f2.8 - f4.9
f2.8 - f5.6
Max. aperture (35mm equiv.)
f16.9 - f29.5
f16.9 - f33.7
Metering
Matrix, Spot
Multi, Center-weighted, Spot
Exposure compensation
±2 EV (in 1/3 EV steps)
±2 EV (in 1/3 EV steps)
Shutter priority
No
Yes
Min. shutter speed
8 sec
4 sec
Max. shutter speed
1/2000 sec
1/1000 sec
Built-in flash
External flash
Viewfinder
Optical (tunnel)
Optical (tunnel)
White balance presets
7
5
Screen size
1.5"
2.4"
Screen resolution
114,000 dots
115,000 dots
Video capture
Max. video resolution
Storage types
MultiMedia, Secure Digital
SD/MMC/SDHC card, Internal
USB
USB 1.0
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
AA (2) batteries (NiMH recommended)
AA (2) batteries (NiMH recommended)
Weight
215 g
210 g
Dimensions
96 x 66 x 34 mm
95 x 66 x 44 mm
Year
2003
2007




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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 LC33 diagonal

The diagonal of LC33 sensor is not 1/2.5 or 0.4" (10.2 mm) as you might expect, but approximately two thirds of that value - 7.19 mm. If you want to know why, see sensor sizes.

w = 5.75 mm
h = 4.32 mm
Diagonal =  5.75² + 4.32²   = 7.19 mm

Nikon P50 diagonal

The diagonal of P50 sensor is not 1/2.5 or 0.4" (10.2 mm) as you might expect, but approximately two thirds of that value - 7.19 mm. If you want to know why, see sensor sizes.

w = 5.75 mm
h = 4.32 mm
Diagonal =  5.75² + 4.32²   = 7.19 mm


Surface area

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

LC33 sensor area

Width = 5.75 mm
Height = 4.32 mm

Surface area = 5.75 × 4.32 = 24.84 mm²

P50 sensor area

Width = 5.75 mm
Height = 4.32 mm

Surface area = 5.75 × 4.32 = 24.84 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

LC33 pixel pitch

Sensor width = 5.75 mm
Sensor resolution width = 2031 pixels
Pixel pitch =   5.75  × 1000  = 2.83 µm
2031

P50 pixel pitch

Sensor width = 5.75 mm
Sensor resolution width = 3282 pixels
Pixel pitch =   5.75  × 1000  = 1.75 µm
3282


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

LC33 pixel area

Pixel pitch = 2.83 µm

Pixel area = 2.83² = 8.01 µm²

P50 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

LC33 pixel density

Sensor resolution width = 2031 pixels
Sensor width = 0.575 cm

Pixel density = (2031 / 0.575)² / 1000000 = 12.48 MP/cm²

P50 pixel density

Sensor resolution width = 3282 pixels
Sensor width = 0.575 cm

Pixel density = (3282 / 0.575)² / 1000000 = 32.58 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

LC33 sensor resolution

Sensor width = 5.75 mm
Sensor height = 4.32 mm
Effective megapixels = 3.10
r = 5.75/4.32 = 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

P50 sensor resolution

Sensor width = 5.75 mm
Sensor height = 4.32 mm
Effective megapixels = 8.10
r = 5.75/4.32 = 1.33
X =  8.10 × 1000000  = 2468
1.33
Resolution horizontal: X × r = 2468 × 1.33 = 3282
Resolution vertical: X = 2468

Sensor resolution = 3282 x 2468


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


LC33 crop factor

Sensor diagonal in mm = 7.19 mm
Crop factor =   43.27  = 6.02
7.19

P50 crop factor

Sensor diagonal in mm = 7.19 mm
Crop factor =   43.27  = 6.02
7.19

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).

LC33 equivalent aperture

Crop factor = 6.02
Aperture = f2.8 - f4.9

35-mm equivalent aperture = (f2.8 - f4.9) × 6.02 = f16.9 - f29.5

P50 equivalent aperture

Crop factor = 6.02
Aperture = f2.8 - f5.6

35-mm equivalent aperture = (f2.8 - f5.6) × 6.02 = f16.9 - f33.7

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