Canon EF 24mm f/2.8 vs Canon EF 85mm f/1.4L IS USM

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EF 24mm f/2.8 compared with EF 85mm f/1.4L IS USM

	CanonEF 24mm f/2.8	CanonEF 85mm f/1.4L IS USM
Overview
Released
Released	November 1988	November 2017
Optics
Lens type
Lens type	Prime	Prime
Focal length
Focal length	24 mm	85 mm
Maximum aperture
Maximum aperture	f/2.8	f/1.4
Minimum aperture
Minimum aperture	f/22	f/22
Optical construction
Optical construction	Ten elements in ten groups; floating rear focusing system according to Canon Camera Museum	Fourteen elements in ten groups
Special elements
Special elements	–	High-precision glass-moulded aspherical lens according to Canon
Coatings
Coatings	–	Air Sphere Coating (ASC) according to Canon
Diaphragm
Diaphragm	Six blades according to Canon Camera Museum	Nine blades with a circular aperture
Angle of view
Angle of view	84° diagonal, 74° horizontal and 53° vertical according to Canon's manual	28°30′ diagonal, 24° horizontal and 16° vertical
Mount and compatibility
Mounts
Mounts	Canon EF	Canon EF
Image circle
Image circle	Full frame	Full frame
Compatibility
Compatibility	Canon EF cameras with full-frame or APS-C sensors	Canon EF cameras with full-frame or APS-C sensors
Teleconverter support
Teleconverter support	–	Not compatible with Canon extenders according to Canon UK's specification sheet
Adaptor support
Adaptor support	–	Canon UK confirms EOS M compatibility using the EF-EOS M Mount Adapter
Focus and stabilisation
Autofocus
Autofocus	Yes	Yes
Minimum focus distance
Minimum focus distance	0.25 m	0.85 m
Maximum magnification
Maximum magnification	0.16×	0.12×
Optical stabilisation
Optical stabilisation	No	Yes
Autofocus detail
Autofocus detail	Arc Form Drive autofocus without full-time manual override according to The Digital Picture; Canon's manual requires the MF switch position for manual focus	Ring USM with full-time manual override according to Canon UK
Focus distance detail
Focus distance detail	Internal rear focusing; lens length remains constant and the front element does not rotate according to The Digital Picture	Internal focusing according to ePHOTOzine
Magnification detail
Magnification detail	–	Canon UK specifies 0.15–0.26× with EF12 II and 0.33–0.43× with EF25 II extension tubes
Stabilisation detail
Stabilisation detail	No optical stabilisation according to The Digital Picture's exact-model specification table	Four-stop optical stabilisation, tested at 85 mm with EOS-1D X Mark II to CIPA standards according to Canon
Design
Dust and moisture resistant
Dust and moisture resistant	No	Yes
Filter diameter
Filter diameter	58 mm	77 mm
Maximum diameter
Maximum diameter	67.5 mm	88.6 mm
Length
Length	48.5 mm	105.4 mm
Weight
Weight	270 g (better)	950 g
Controls
Controls	AF/MF switch, focus ring, distance window, depth-of-field scale and infrared focus index	AF/MF and stabiliser on/off switches, manual focus ring, distance window and depth-of-field markings
Weather resistance
Weather resistance	No weather sealing according to The Digital Picture's exact-model specification table	Dust and moisture resistance according to Canon UK
Dimensions detail
Dimensions detail	67.5 mm maximum diameter × 48.5 mm length; dimensions and 270 g weight are lens-only. Front and rear caps add 21.5 mm according to Canon's manual	88.6 mm maximum diameter × 105.4 mm length; approximately 950 g according to Canon
Lens hood
Lens hood	EW-60 II reversible hood according to Canon's manual; optional according to The Digital Picture	Supplied ET-83E hood according to Canon UK
In the box
In the box	–	Lens, ET-83E hood, E-77II front cap, Lens Dust Cap E, LP1219 pouch and user manual according to Canon UK
Release detail
Release detail	Canon Camera Museum records November 1988 marketing; no first-sale day is given	Canon Camera Museum records November 2017 marketing; a first-sale day is not given