Micro Four Thirds Sensor vs. 1.0-Type / 1-Inch Sensor (13.2×8.8 mm)
Comparing 2 standards across 9 specifications. 9 key differences identified.
The Micro Four Thirds (MFT) Sensor (measuring 17.3 × 13.0 mm with an active area of 224.9 mm² and a 21.64 mm diagonal) is an open mirrorless standard established by Olympus and Panasonic, featuring an exact 2.0× crop factor and a native 4:3 aspect ratio. Equal to exactly half the diagonal of 35mm full frame, focal length calculations are simple integers (25mm = 50mm equivalent).
The 1.0-Type Sensor (commonly called a 1-Inch Sensor, measuring 13.2 × 8.8 mm with an active area of 116.2 mm² and a 15.86 mm diagonal) operates with a 2.72× crop factor and a native 3:2 aspect ratio. Originating from historical 1-inch vidicon video camera tubes, it is the benchmark format for premium compact cameras, creator vlogging cameras, and cinematic consumer drones.
Specification Comparison Table
9 Parameters| Parameter / Spec | ||
|---|---|---|
|
Dimensions (Width × Height)
|
17.3 × 13.0 mm (0.681 × 0.512 in) | 13.2 × 8.8 mm (0.520 × 0.346 in) |
|
Diagonal Dimension
|
21.64 mm (exactly half of 35mm full frame's 43.27 mm diagonal) | 15.86 mm |
|
Active Surface Area
|
224.9 mm² (approx. 26.0% of 35mm full frame) | 116.2 mm² (approx. 4.1× larger than standard 1/2.3" compact sensors) |
|
Crop Factor
|
2.00× exactly | 2.72× (approx. 2.7×) |
|
Native Aspect Ratio
|
4 : 3 (1.33 : 1) | 3 : 2 |
|
Focal Length Equivalence Formula
|
Focal length × 2.0 (e.g. 12-40mm f/2.8 lens ≈ 24-80mm f/5.6 full-frame field/DoF) | — |
|
Camera Systems
|
OM System OM-1 / OM-5, Panasonic Lumix GH6 / G9 II / BGH1, Blackmagic Pocket Cinema Camera 4K | — |
|
Vidicon Tube Origin
|
— | Named for a 1-inch outer diameter glass video tube with a 16 mm usable target diagonal |
|
Popular Implementations
|
— | Sony RX100 VII / ZV-1, Canon PowerShot G7 X III, DJI Pocket 3, DJI Air 2S / Mavic 3 Pro (tele) |