Casio QV-770 vs. Casio QV-5500SX
Comparison
| change cameras » | |||||
|
vs |
|
|||
| Casio QV-770 | Casio QV-5500SX | ||||
| check price » | check price » | ||||
Megapixels
0.30
1.20
Max. image resolution
640 x 480
1280 x 960
Sensor
Sensor type
CCD
CCD
Sensor size
1/3" (~ 4.8 x 3.6 mm)
1/3" (~ 4.8 x 3.6 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 »
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 | : | 1 |
| (ratio) | ||
| Casio QV-770 | Casio QV-5500SX | |
Surface area:
| 17.28 mm² | vs | 17.28 mm² |
Difference: 0 mm² (0%)
QV-770 and QV-5500SX sensors are the same size.
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.
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 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.
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: 43.17 µm² (299%)
A pixel on Casio QV-770 sensor is approx. 299% bigger than a pixel on Casio QV-5500SX.
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.
Higher pixel density means smaller pixels and lower pixel density means larger pixels.
To learn about the accuracy of these numbers,
click here.
Specs
Casio QV-770
Casio QV-5500SX
Total megapixels
0.40
1.30
Effective megapixels
0.30
1.20
Optical zoom
1x
1x
Digital zoom
No
Yes
ISO sensitivity
120
RAW
Manual focus
Normal focus range
70 cm
30 cm
Macro focus range
14 cm
10 cm
Focal length (35mm equiv.)
38 mm
36 mm
Aperture priority
No
No
Max. aperture
f2.0 - f8.0
f2.8 - f16.0
Metering
Multi, Center-weighted, Spot
Multi, Center-weighted, Spot
Exposure compensation
±2 EV (in 1/4 EV steps)
±2 EV (in 1/2 EV steps)
Shutter priority
No
No
Min. shutter speed
1/8 sec
1/8 sec
Max. shutter speed
1/4000 sec
1/500 sec
Built-in flash
External flash
Viewfinder
None
Optical (tunnel)
White balance presets
3
4
Screen size
1.8"
1.8"
Screen resolution
61,380 dots
61,380 dots
Video capture
Max. video resolution
Storage types
Internal
Compact Flash
USB
USB 1.0
USB 1.0
HDMI
Wireless
GPS
Battery
AA (4) batteries (NiMH recommended)
AA (4) batteries (NiMH recommended)
Weight
300 g
320 g
Dimensions
129 x 66 x 38 mm
131 x 69 x 50 mm
Year
1998
1999
Choose cameras to compare
Popular comparisons:
- Casio QV-770 vs. Nikon D300s
- Casio QV-770 vs. Casio QV-5500SX
- Casio QV-770 vs. Casio QV-8000SX
- Casio QV-770 vs. HP Photosmart C618
- Canon EOS 200D vs. Canon EOS 750D
- Canon EOS 1300D vs. Canon EOS 700D
- Canon EOS 600D vs. Canon EOS 1300D
- Canon EOS 800D vs. Canon EOS 750D
- Canon EOS 1300D vs. Canon EOS 1200D
- Canon EOS 200D vs. Canon EOS 700D
- Canon EOS 1300D vs. Canon EOS 750D
Diagonal
Diagonal is calculated by the use of Pythagorean theorem:
where w = sensor width and h = sensor height
| Diagonal = √ | w² + h² |
Casio QV-770 diagonal
The diagonal of QV-770 sensor is not 1/3 or 0.33" (8.5 mm) as you might expect, but approximately two thirds of
that value - 6 mm. If you want to know why, see
sensor sizes.
w = 4.80 mm
h = 3.60 mm
w = 4.80 mm
h = 3.60 mm
| Diagonal = √ | 4.80² + 3.60² | = 6.00 mm |
Casio QV-5500SX diagonal
The diagonal of QV-5500SX sensor is not 1/3 or 0.33" (8.5 mm) as you might expect, but approximately two thirds of
that value - 6 mm. If you want to know why, see
sensor sizes.
w = 4.80 mm
h = 3.60 mm
w = 4.80 mm
h = 3.60 mm
| Diagonal = √ | 4.80² + 3.60² | = 6.00 mm |
Surface area
Surface area is calculated by multiplying the width and the height of a sensor.
QV-770 sensor area
Width = 4.80 mm
Height = 3.60 mm
Surface area = 4.80 × 3.60 = 17.28 mm²
Height = 3.60 mm
Surface area = 4.80 × 3.60 = 17.28 mm²
QV-5500SX sensor area
Width = 4.80 mm
Height = 3.60 mm
Surface area = 4.80 × 3.60 = 17.28 mm²
Height = 3.60 mm
Surface area = 4.80 × 3.60 = 17.28 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 |
QV-770 pixel pitch
Sensor width = 4.80 mm
Sensor resolution width = 632 pixels
Sensor resolution width = 632 pixels
| Pixel pitch = | 4.80 | × 1000 | = 7.59 µm |
| 632 |
QV-5500SX pixel pitch
Sensor width = 4.80 mm
Sensor resolution width = 1264 pixels
Sensor resolution width = 1264 pixels
| Pixel pitch = | 4.80 | × 1000 | = 3.8 µm |
| 1264 |
Pixel area
The area of one pixel can be calculated by simply squaring the pixel pitch:
You could also divide sensor surface area with effective megapixels:
Pixel area = pixel pitch²
You could also divide sensor surface area with effective megapixels:
| Pixel area = | sensor surface area in mm² |
| effective megapixels |
QV-770 pixel area
Pixel pitch = 7.59 µm
Pixel area = 7.59² = 57.61 µm²
Pixel area = 7.59² = 57.61 µm²
QV-5500SX pixel area
Pixel pitch = 3.8 µm
Pixel area = 3.8² = 14.44 µm²
Pixel area = 3.8² = 14.44 µm²
Pixel density
Pixel density can be calculated with the following formula:
One could also use this 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 |
QV-770 pixel density
Sensor resolution width = 632 pixels
Sensor width = 0.48 cm
Pixel density = (632 / 0.48)² / 1000000 = 1.73 MP/cm²
Sensor width = 0.48 cm
Pixel density = (632 / 0.48)² / 1000000 = 1.73 MP/cm²
QV-5500SX pixel density
Sensor resolution width = 1264 pixels
Sensor width = 0.48 cm
Pixel density = (1264 / 0.48)² / 1000000 = 6.93 MP/cm²
Sensor width = 0.48 cm
Pixel density = (1264 / 0.48)² / 1000000 = 6.93 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:
3. To get sensor resolution we then multiply X with the corresponding ratio:
Resolution horizontal: X × r
Resolution vertical: X
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 → |
|
Resolution horizontal: X × r
Resolution vertical: X
QV-770 sensor resolution
Sensor width = 4.80 mm
Sensor height = 3.60 mm
Effective megapixels = 0.30
Resolution horizontal: X × r = 475 × 1.33 = 632
Resolution vertical: X = 475
Sensor resolution = 632 x 475
Sensor height = 3.60 mm
Effective megapixels = 0.30
| r = 4.80/3.60 = 1.33 |
|
Resolution vertical: X = 475
Sensor resolution = 632 x 475
QV-5500SX sensor resolution
Sensor width = 4.80 mm
Sensor height = 3.60 mm
Effective megapixels = 1.20
Resolution horizontal: X × r = 950 × 1.33 = 1264
Resolution vertical: X = 950
Sensor resolution = 1264 x 950
Sensor height = 3.60 mm
Effective megapixels = 1.20
| r = 4.80/3.60 = 1.33 |
|
Resolution vertical: X = 950
Sensor resolution = 1264 x 950
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 |
QV-770 crop factor
Sensor diagonal in mm = 6.00 mm
| Crop factor = | 43.27 | = 7.21 |
| 6.00 |
QV-5500SX crop factor
Sensor diagonal in mm = 6.00 mm
| Crop factor = | 43.27 | = 7.21 |
| 6.00 |
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).
QV-770 equivalent aperture
Crop factor = 7.21
Aperture = f2.0 - f8.0
35-mm equivalent aperture = (f2.0 - f8.0) × 7.21 = f14.4 - f57.7
Aperture = f2.0 - f8.0
35-mm equivalent aperture = (f2.0 - f8.0) × 7.21 = f14.4 - f57.7
QV-5500SX equivalent aperture
Crop factor = 7.21
Aperture = f2.8 - f16.0
35-mm equivalent aperture = (f2.8 - f16.0) × 7.21 = f20.2 - f115.4
Aperture = f2.8 - f16.0
35-mm equivalent aperture = (f2.8 - f16.0) × 7.21 = f20.2 - f115.4
Enter your screen size (diagonal)
My screen size is
inches
Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a sensor won't be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a sensor won't be shown correctly.