Focal lengths / Full frame

1,200mm on Full frame

Frames like 1,200mm on full frame: 1.7° across, 1.1° top to bottom.

Reference photo: Forest

The scene as framed by 1,200mm Full frame — A What 1,200mm Full frame sees Long focal length: the crop is enlarged and looks soft. The framing is still exact.

	A 1,200mm on Full frame
Focal length	1,200mm
Full-frame equivalent	1,200mm
Horizontal	1.7°
Vertical	1.1°
Diagonal	2.1°
Sensor	Full frame 36 × 24 mm
Crop factor	×1
Aspect ratio	3:2

Compare it with another setup →

Same framing on other formats

The focal length that matches 1,200mm full-frame equivalent on each sensor size (crop-factor convention, diagonal).

Sensor	Focal length	Closest page
Medium format	1,519mm	—
APS-C	800mm	—
APS-C (Canon)	750mm	—
Micro Four Thirds	600mm	—
1-inch	444.4mm	—

Primes at 1,200mm for Full frame (1)

Lens	Focal	Aperture	Mount	Year
Canon RF 1200mm f/8L IS USM	1,200mm	f/8	Canon RF	2022