Field of View

Focal lengths / Micro Four Thirds

300mm on Micro Four Thirds

Frames like 600mm on full frame: 3.3° across, 2.5° top to bottom.

Reference photo: Forest
A 600mm eq.
The scene as framed by 300mm Micro Four Thirds
A What 300mm Micro Four Thirds sees Long focal length: the crop is enlarged and looks soft. The framing is still exact.
A 300mm on Micro Four Thirds
Focal length300mm
Full-frame equivalent600mm
Horizontal3.3°
Vertical2.5°
Diagonal4.1°
SensorMicro Four Thirds 17.3 × 13 mm
Crop factor×2
Aspect ratio4:3

Compare it with another setup →

Same framing on other formats

The focal length that matches 600mm full-frame equivalent on each sensor size (crop-factor convention, diagonal).

SensorFocal lengthClosest page
Medium format759.5mm—
Full frame600mm600mm on Full frame
APS-C400mm400mm on APS-C
APS-C (Canon)375mm—
1-inch222.2mm—

Primes at 300mm for Micro Four Thirds (1)

LensFocalApertureMountYear
OM System M.Zuiko 300mm f/4 IS PRO300mmf/4Micro Four Thirds2016
Zooms that reach 300mm (10)
LensFocalApertureMountYear
Olympus M.Zuiko 75-300mm f/4.8-6.775–300mmf/4.8–6.7Micro Four Thirds2011
Olympus M.Zuiko 100-400mm f/5-6.3 IS100–400mmf/5–6.3Micro Four Thirds2020
OM System M.Zuiko 75-300mm f/4.8-6.7 II75–300mmf/4.8–6.7Micro Four Thirds2013
OM System M.Zuiko 100-400mm f/5-6.3 IS II100–400mmf/5–6.3Micro Four Thirds2025
OM System M.Zuiko 150-400mm f/4.5 TC1.25x IS PRO150–400mmf/4.5Micro Four Thirds2020
OM System M.Zuiko 150-600mm f/5-6.3 IS150–600mmf/5–6.3Micro Four Thirds2024
Panasonic Lumix G Vario 100-300mm f/4-5.6 Mega O.I.S.100–300mmf/4–5.6Micro Four Thirds2010
Panasonic Lumix G Vario 100-300mm f/4-5.6 II Power O.I.S.100–300mmf/4–5.6Micro Four Thirds2017
Panasonic Leica DG Vario-Elmar 100-400mm f/4-6.3 ASPH. Power O.I.S.100–400mmf/4–6.3Micro Four Thirds2016
Panasonic Leica DG Vario-Elmar 100-400mm f/4-6.3 II ASPH. Power O.I.S.100–400mmf/4–6.3Micro Four Thirds2023