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Because the image sensors in many digital cameras are smaller than the 24 mm × 36 mm image area of full-frame 35 mm cameras, a lens of a given focal length gives a narrower field of view in such cameras. Sensor size is often expressed as optical format in inches. Other measures are also used; see table of sensor formats and sizes below.
Drawing showing the relative sizes of sensors used in most current digital cameras. Advanced Photo System type-C (APS-C) is an image sensor format approximately equivalent in size to the Advanced Photo System film negative in its C ("Classic") format, of 25.1×16.7 mm, an aspect ratio of 3:2 and Ø 30.15 mm field diameter.
Sensor size Effective megapixels Lens mount Viewfinder coverage Metering zones Focus points Lowest ISO Highest ISO Cont. shtg LCD size Live view Movie mode Memory card Dimensions (mm) Weight (g) [1] Announced (date) Ref. Canon: 5D Mark IV: Full frame: 30.1 EF 100 252 61 50 102400 7 3.2 yes yes CF+SD: 150.7×116.4×75.9 890 Aug 2016: Canon: 1D X ...
Comparison of digital camera image sensor sizes: Date: 29 November 2007: Source: Image:SensorSizes.png: Author: Hotshot977. Subsequently reworked extensively by User:Moxfyre for correct, exact sensor size dimensions and accurate captions. Permission (Reusing this file) All rights released: Other versions: Image:SensorSizes.png
Sensor size Pixel count Weight Release year Classic Negative Nostalgic Negative; X100VI: Yes Yes Yes Yes Tilt OLED Yes IBIS: Partial [b] 35mm f / 2.0 APS-C 40 MP 521g 2024 X100V: Yes No Yes Yes Tilt OLED Yes No Partial [b] 35mm f / 2.0 APS-C 26 MP 478g 2020 X100F: No No No No No LCD No No No 35mm f / 2.0 APS-C 24 MP 469g 2017 X100T: No No No No ...
The image sensor is where the rubber meets the photosensitive diodes. ... I'll give a few definitions to clear things up a bit when it comes to a camera's image sensors and size, explain in detail ...
A 50 mm (focal length) lens on an APS-C image sensor format (crop factor 1.6) images a slightly smaller field of view than a 70 mm lens on a 35 mm sensor format camera (full frame sensor). A 80 mm lens (1.6 × 50 mm = 80 mm) with a full frame camera gives the same field of view as this 50 mm lens and APS-C sensor format combination produces.
For historical reasons, sensor size specifications such as 1/2.5" do not match the actual sensor size, but are a bit larger (typically about a factor of 1.5) than the actual sensor diagonal. [5] This is because these sensor size specifications refer to the size of a camera tube, while the usable sensor size is about 2/3 of the size of the tube ...