Canon EF 50mm f/1.8 II vs Canon EF 50mm f/1.8 STM

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EF 50mm f/1.8 II compared with EF 50mm f/1.8 STM

	CanonEF 50mm f/1.8 II	CanonEF 50mm f/1.8 STM
Overview
Released
Released	December 1990	May 2015
Optics
Lens type
Lens type	Prime	Prime
Focal length
Focal length	50 mm	50 mm
Maximum aperture
Maximum aperture	f/1.8	f/1.8
Minimum aperture
Minimum aperture	f/22	f/22
Optical construction
Optical construction	Six elements in five groups; Gaussian optical design	Six elements in five groups
Coatings
Coatings	–	Lens coating optimised for digital cameras to reduce ghosting and flare
Aperture detail
Aperture detail	–	Minimum f/22 with one-third-stop camera aperture increments
Diaphragm
Diaphragm	Five blades	Seven blades with a circular aperture
Angle of view
Angle of view	Full-frame diagonal 46°; vertical 27°; horizontal 40°	Full-frame horizontal 40°; vertical 27°; diagonal 46°
Mount and compatibility
Mounts
Mounts	Canon EF	Canon EF
Image circle
Image circle	Full frame	Full frame
Compatibility
Compatibility	Canon EF mount for full-frame, APS-H and APS-C cameras (DPReview)	Canon EF cameras, including full-frame and APS-C DSLRs
Adaptor support
Adaptor support	–	Canon UK supports EOS M cameras with an EF-EOS M mount adaptor
Focus and stabilisation
Autofocus
Autofocus	Yes	Yes
Minimum focus distance
Minimum focus distance	0.45 m	0.35 m
Maximum magnification
Maximum magnification	0.15×	0.21×
Optical stabilisation
Optical stabilisation	No	–
Autofocus detail
Autofocus detail	DC micromotor autofocus (DPReview)	Gear-type stepping motor; manual override after autofocus with the camera set to One-Shot AF
Focus distance detail
Focus distance detail	Switch to MF before turning the focusing ring; do not touch rotating parts during autofocus	Electronic focus ring requires camera power; no distance scale (Digital Camera World)
Magnification detail
Magnification detail	0.15×; 240 × 160 mm field of view at 0.45 m according to Canon	EF12 II extension tube gives 0.45–0.24×; EF25 II gives 0.74–0.53×
Stabilisation detail
Stabilisation detail	No optical image stabilisation (DPReview)	–
Design
Filter diameter
Filter diameter	52 mm	49 mm
Maximum diameter
Maximum diameter	68.2 mm	69.2 mm
Length
Length	41 mm	39.3 mm
Weight
Weight	130 g (better)	160 g
Controls
Controls	AF/MF switch and focusing ring; no distance scale (The-Digital-Picture)	–
Filter detail
Filter detail	One 52 mm front filter; with the optional hood, mount the filter on the hood adaptor	–
Dimensions detail
Dimensions detail	Length measured from the mount surface to the front of the lens, excluding caps	69.2 mm maximum diameter × 39.3 mm length in the retracted state
Weight detail
Weight detail	Approximately 130 g lens only	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-62, requiring its supplied screw-in hood adaptor; reversible for storage	Optional ES-68
In the box
In the box	Front and rear caps according to DPReview; accessories may vary by region	Lens, E-49 front cap, Lens Dust Cap E and user manual
Release detail
Release detail	Marketed in December 1990 according to Canon Camera Museum	Marketed in May 2015 according to Canon Camera Museum