What is the crop factor of the Olympus E-620?
The Olympus E-620 is equipped with a Four Thirds sensor, whose diagonal measures 21.6mm. The sensor has a crop factor (or format factor, or focal length multiplier) of 2.0.
The crop factor is defined as the ratio of the 35mm full-frame film diagonal to the diagonal of a digital sensor. This number indicates how a lens behaves in relation to the size of the image sensor.
Sensor size comparison with a film slide
With a crop factor of 2.0, the sensor in the Olympus E-620 is smaller than the receptor area of a 35mm film slide or negative. As a result, a lens that is attached to the Olympus E-620 will offer a narrower angle of view and provide deeper depth of field than a lens of similar focal length and aperture on a film camera. The equivalent focal length is obtained by multiplying the actual focal length of the lens with the crop factor. For example, a 25mm lens on the Olympus E-620 will provide the same angle of view and depth of field as a 50mm normal lens on a film camera (25mm * 2.0 = 50mm).
Sensor specs and performance
The table below compares the sensor specs of the Olympus E-620 to those of several similar cameras. The reported DXO values are indicators of the sensor's imaging quality (higher is better), covering color depth (DXO Portrait), dynamic range (DXO Landscape), and high-ISO noise (DXO Sports). Larger sensor cameras tend to outperform cameras of the same generation that are equipped with a smaller imager. On the other hand, larger sensors are more expensive and require bigger and heavier lenses than smaller light receptors.
Camera Model |
Sensor Class |
Resolution (MP) |
Horiz. Pixels |
Vert. Pixels |
Video Format |
DXO Portrait |
DXO Landscape |
DXO Sports |
DXO Overall |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Olympus E-620 | Four Thirds | 12.2 | 4032 | 3024 | none | 21.3 | 10.3 | 536 | 55 | |
2. | Olympus E-30 | Four Thirds | 12.2 | 4032 | 3024 | none | 21.3 | 10.4 | 530 | 55 | |
3. | Olympus E-410 | Four Thirds | 10.0 | 3648 | 2736 | none | 21.1 | 10.0 | 494 | 51 | |
4. | Olympus E-420 | Four Thirds | 10.0 | 3648 | 2736 | none | 21.5 | 10.4 | 527 | 56 | |
5. | Olympus E-450 | Four Thirds | 10.0 | 3648 | 2736 | none | 21.5 | 10.5 | 512 | 56 | |
6. | Olympus E-510 | Four Thirds | 10.0 | 3648 | 2736 | none | 21.2 | 10.0 | 442 | 52 | |
7. | Olympus E-520 | Four Thirds | 10.0 | 3648 | 2736 | none | 21.4 | 10.4 | 548 | 55 | |
8. | Olympus E-600 | Four Thirds | 12.2 | 4032 | 3024 | none | 21.5 | 10.3 | 541 | 55 | |
9. | Olympus E-P1 | Four Thirds | 12.2 | 4032 | 3024 | 720/30p | 21.4 | 10.4 | 536 | 55 | |
10. | Olympus E-P2 | Four Thirds | 12.2 | 4032 | 3024 | 720/30p | 21.5 | 10.4 | 505 | 56 | |
11. | Olympus E-PL1 | Four Thirds | 12.2 | 4032 | 3024 | 720/30p | 21.5 | 10.1 | 487 | 54 |
In the United States, the E-620 was initially launched in February 2009 at a price of $699.
Camera to camera comparisons
If you would like to see a side-by-side review with another camera, just make your choice using the following search menu. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.
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Camera Model | Olympus E-620 | |
---|---|---|
Camera Type | Digital single lens reflex | |
Camera Lens | Four Thirds lenses | |
Launch Date | February 2009 | |
Launch Price | USD 699 | |
Sensor Specs | ||
Sensor Technology | CMOS | |
Sensor Format | Four Thirds Sensor | |
Sensor Size | 17.3 x 13.0 mm | |
Sensor Area | 225 mm2 | |
Sensor Diagonal | 21.6 mm | |
Crop Factor | 2.0x | |
Sensor Resolution | 12.2 Megapixels | |
Image Resolution | 4 032 x 3 024 pixels | |
Pixel Pitch | 4.29 μm | |
Pixel Density | 5.42 MP/cm2 | |
Moiré control | Anti-Alias filter | |
Movie Capability | no Video | |
ISO Setting | 100 - 3 200 ISO | |
Image Processor | TruePic III+ | |
DXO Sensor Quality (score) | 55 | |
DXO Color Depth (bits) | 21.3 | |
DXO Dynamic Range (EV) | 10.3 | |
DXO Low Light (ISO) | 536 | |
Screen Specs | ||
Viewfinder Type | Optical viewfinder | |
Viewfinder Field of View | 95% | |
Viewfinder Magnification | 0.48x | |
Top-Level Screen | no Top Display | |
LCD Framing | Live View | |
LCD Size | 2.7 inch | |
LCD Resolution | 230k dots | |
LCD Attachment | Swivel screen | |
V-logging Friendliness | Front-flip possible | |
Touch Input | No touchscreen | |
Shooting Specs | ||
Focus System | Phase-detect AF | |
Manual Focusing Aid | no Peaking Feature | |
Maximum Shutter Speed | 1/4000s | |
Continuous Shooting | 4 shutter flaps/s | |
Shutter Life Expectancy | 100 000 actuations | |
Silent Shooting | no E-Shutter | |
Time Lapse Photography | no Intervalometer | |
Image Stabilization | In-body stabilization | |
Fill Flash | Built-in Flash | |
Storage Medium | CF or XD cards | |
Single or Dual Card Slots | Dual card slots | |
Connectivity Specs | ||
External Flash | Hotshoe | |
USB Connector | USB 2.0 | |
HDMI Port | no HDMI | |
Wifi Support | no Wifi | |
Body Specs | ||
Battery Type | Olympus BLS-1 power pack | |
Battery Life (CIPA) | 500 shots per charge | |
Body Dimensions |
130 x 94 x 60 mm (5.1 x 3.7 x 2.4 in) |
|
Camera Weight | 521 g (18.4 oz) |
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