Canon EF 50mm f/1.8 STM vs Canon EF 85mm f/1.4L IS USM

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EF 50mm f/1.8 STM compared with EF 85mm f/1.4L IS USM

	CanonEF 50mm f/1.8 STM	CanonEF 85mm f/1.4L IS USM
Overview
Released
Released	May 2015	November 2017
Optics
Lens type
Lens type	Prime	Prime
Focal length
Focal length	50 mm	85 mm
Maximum aperture
Maximum aperture	f/1.8	f/1.4
Minimum aperture
Minimum aperture	f/22	f/22
Optical construction
Optical construction	Six elements in five groups	Fourteen elements in ten groups
Special elements
Special elements	–	High-precision glass-moulded aspherical lens according to Canon
Coatings
Coatings	Lens coating optimised for digital cameras to reduce ghosting and flare	Air Sphere Coating (ASC) according to Canon
Aperture detail
Aperture detail	Minimum f/22 with one-third-stop camera aperture increments	–
Diaphragm
Diaphragm	Seven blades with a circular aperture	Nine blades with a circular aperture
Angle of view
Angle of view	Full-frame horizontal 40°; vertical 27°; diagonal 46°	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, including full-frame and APS-C DSLRs	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 supports EOS M cameras with an EF-EOS M mount adaptor	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	0.35 m	0.85 m
Maximum magnification
Maximum magnification	0.21×	0.12×
Optical stabilisation
Optical stabilisation	–	Yes
Autofocus detail
Autofocus detail	Gear-type stepping motor; manual override after autofocus with the camera set to One-Shot AF	Ring USM with full-time manual override according to Canon UK
Focus distance detail
Focus distance detail	Electronic focus ring requires camera power; no distance scale (Digital Camera World)	Internal focusing according to ePHOTOzine
Magnification detail
Magnification detail	EF12 II extension tube gives 0.45–0.24×; EF25 II gives 0.74–0.53×	Canon UK specifies 0.15–0.26× with EF12 II and 0.33–0.43× with EF25 II extension tubes
Stabilisation detail
Stabilisation detail	–	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	–	Yes
Filter diameter
Filter diameter	49 mm	77 mm
Maximum diameter
Maximum diameter	69.2 mm	88.6 mm
Length
Length	39.3 mm	105.4 mm
Weight
Weight	160 g (better)	950 g
Controls
Controls	–	AF/MF and stabiliser on/off switches, manual focus ring, distance window and depth-of-field markings
Weather resistance
Weather resistance	–	Dust and moisture resistance according to Canon UK
Dimensions detail
Dimensions detail	69.2 mm maximum diameter × 39.3 mm length in the retracted state	88.6 mm maximum diameter × 105.4 mm length; approximately 950 g according to Canon
Weight detail
Weight detail	Approximately 160 g according to Canon UK specifications and Camera Museum; the UK store dimension panel instead lists 159 g	–
Lens hood
Lens hood	Optional ES-68	Supplied ET-83E hood according to Canon UK
In the box
In the box	Lens, E-49 front cap, Lens Dust Cap E and user manual	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	Marketed in May 2015 according to Canon Camera Museum	Canon Camera Museum records November 2017 marketing; a first-sale day is not given