Nikon 1 AW1 vs. Panasonic Lumix DMC-GX7
Comparison
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| Nikon 1 AW1 | Panasonic Lumix DMC-GX7 | ||||
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Megapixels
14.20
16.00
Max. image resolution
4608 x 3072
4592 x 3448
Sensor
Sensor type
CMOS
CMOS
Sensor size
13.2 x 8.8 mm
Four Thirds (17.3 x 13 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 »
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| 1 | : | 1.94 |
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| Nikon 1 AW1 | Panasonic Lumix DMC-GX7 | |
Surface area:
| 116.16 mm² | vs | 224.90 mm² |
Difference: 108.74 mm² (94%)
GX7 sensor is approx. 1.94x bigger than 1 AW1 sensor.
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: 5.88 µm² (72%)
A pixel on Panasonic GX7 sensor is approx. 72% bigger than a pixel on Nikon 1 AW1.
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
Nikon 1 AW1
Panasonic GX7
Total megapixels
15.13
16.84
Effective megapixels
14.20
16.00
Optical zoom
Digital zoom
No
Yes
ISO sensitivity
160-6400
Auto, 125, 200, 400, 800, 1600, 3200, 6400, 12800, 25600
RAW
Manual focus
Normal focus range
Macro focus range
Focal length (35mm equiv.)
Aperture priority
Yes
Yes
Max. aperture
Metering
Multi, Center-weighted, Spot
Multi, Center-weighted, Spot
Exposure compensation
±3 EV (in 1/3 EV steps)
±5 EV (in 1/3 EV steps)
Shutter priority
Yes
Yes
Min. shutter speed
30 sec
60 sec
Max. shutter speed
1/16000 sec
1/8000 sec
Built-in flash
External flash
Viewfinder
None
Electronic
White balance presets
7
6
Screen size
3"
3"
Screen resolution
921,000 dots
1,040,000 dots
Video capture
Max. video resolution
Storage types
SD/SDHC/SDXC
SD/SDHC/SDXC
USB
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
HDMI
Wireless
GPS
Battery
EN-EL20 Lithium-ion rechargeable battery
Li-ion Battery Pack
Weight
313 g
402 g
Dimensions
113.5 x 71.5 x 37 mm
122.60 x 70.7 x 54.6 mm
Year
2013
2013
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Diagonal
Diagonal is calculated by the use of Pythagorean theorem:
where w = sensor width and h = sensor height
| Diagonal = √ | w² + h² |
Nikon 1 AW1 diagonal
w = 13.20 mm
h = 8.80 mm
h = 8.80 mm
| Diagonal = √ | 13.20² + 8.80² | = 15.86 mm |
Panasonic GX7 diagonal
w = 17.30 mm
h = 13.00 mm
h = 13.00 mm
| Diagonal = √ | 17.30² + 13.00² | = 21.64 mm |
Surface area
Surface area is calculated by multiplying the width and the height of a sensor.
1 AW1 sensor area
Width = 13.20 mm
Height = 8.80 mm
Surface area = 13.20 × 8.80 = 116.16 mm²
Height = 8.80 mm
Surface area = 13.20 × 8.80 = 116.16 mm²
GX7 sensor area
Width = 17.30 mm
Height = 13.00 mm
Surface area = 17.30 × 13.00 = 224.90 mm²
Height = 13.00 mm
Surface area = 17.30 × 13.00 = 224.90 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 |
1 AW1 pixel pitch
Sensor width = 13.20 mm
Sensor resolution width = 4616 pixels
Sensor resolution width = 4616 pixels
| Pixel pitch = | 13.20 | × 1000 | = 2.86 µm |
| 4616 |
GX7 pixel pitch
Sensor width = 17.30 mm
Sensor resolution width = 4612 pixels
Sensor resolution width = 4612 pixels
| Pixel pitch = | 17.30 | × 1000 | = 3.75 µm |
| 4612 |
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 |
1 AW1 pixel area
Pixel pitch = 2.86 µm
Pixel area = 2.86² = 8.18 µm²
Pixel area = 2.86² = 8.18 µm²
GX7 pixel area
Pixel pitch = 3.75 µm
Pixel area = 3.75² = 14.06 µm²
Pixel area = 3.75² = 14.06 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 |
1 AW1 pixel density
Sensor resolution width = 4616 pixels
Sensor width = 1.32 cm
Pixel density = (4616 / 1.32)² / 1000000 = 12.23 MP/cm²
Sensor width = 1.32 cm
Pixel density = (4616 / 1.32)² / 1000000 = 12.23 MP/cm²
GX7 pixel density
Sensor resolution width = 4612 pixels
Sensor width = 1.73 cm
Pixel density = (4612 / 1.73)² / 1000000 = 7.11 MP/cm²
Sensor width = 1.73 cm
Pixel density = (4612 / 1.73)² / 1000000 = 7.11 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
1 AW1 sensor resolution
Sensor width = 13.20 mm
Sensor height = 8.80 mm
Effective megapixels = 14.20
Resolution horizontal: X × r = 3077 × 1.5 = 4616
Resolution vertical: X = 3077
Sensor resolution = 4616 x 3077
Sensor height = 8.80 mm
Effective megapixels = 14.20
| r = 13.20/8.80 = 1.5 |
|
Resolution vertical: X = 3077
Sensor resolution = 4616 x 3077
GX7 sensor resolution
Sensor width = 17.30 mm
Sensor height = 13.00 mm
Effective megapixels = 16.00
Resolution horizontal: X × r = 3468 × 1.33 = 4612
Resolution vertical: X = 3468
Sensor resolution = 4612 x 3468
Sensor height = 13.00 mm
Effective megapixels = 16.00
| r = 17.30/13.00 = 1.33 |
|
Resolution vertical: X = 3468
Sensor resolution = 4612 x 3468
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 |
1 AW1 crop factor
Sensor diagonal in mm = 15.86 mm
| Crop factor = | 43.27 | = 2.73 |
| 15.86 |
GX7 crop factor
Sensor diagonal in mm = 21.64 mm
| Crop factor = | 43.27 | = 2 |
| 21.64 |
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).
1 AW1 equivalent aperture
Aperture is a lens characteristic, so it's calculated only for
fixed lens cameras. If you want to know the equivalent aperture for
Nikon 1 AW1, take the aperture of the lens
you're using and multiply it with crop factor.
Crop factor for Nikon 1 AW1 is 2.73
Crop factor for Nikon 1 AW1 is 2.73
GX7 equivalent aperture
Aperture is a lens characteristic, so it's calculated only for
fixed lens cameras. If you want to know the equivalent aperture for
Panasonic GX7, take the aperture of the lens
you're using and multiply it with crop factor.
Crop factor for Panasonic GX7 is 2
Crop factor for Panasonic GX7 is 2
More comparisons of Nikon 1 AW1:
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- Nikon 1 AW1 vs. Canon PowerShot G15
- Nikon 1 AW1 vs. Nikon 1 V1
- Nikon 1 AW1 vs. Fujifilm X-E1
- Nikon 1 AW1 vs. Nikon Coolpix P7800
- Nikon 1 AW1 vs. Nikon Coolpix A
- Nikon 1 AW1 vs. Nikon 1 J3
- Nikon 1 AW1 vs. Sony Alpha NEX-5N
- Nikon 1 AW1 vs. Fujifilm X-A1
- Nikon 1 AW1 vs. Olympus Stylus Tough 8010
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