Canon EF 50mm f/1.8 vs Canon EF-S 18–55mm f/4–5.6 IS STM

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

EF 50mm f/1.8 compared with EF-S 18–55mm f/4–5.6 IS STM
CanonEF 50mm f/1.8CanonEF-S 18–55mm f/4–5.6 IS STM
Overview
ReleasedMarch 1987April 2017
Optics
Lens typePrimeZoom
Focal length50 mm18–55 mm
Maximum aperturef/1.8f/4–5.6
Minimum aperturef/22f/22–32
Optical constructionSix elements in five groups12 elements in ten groups
Special elements–Aspherical lens element
Coatings–Super Spectra coatings
DiaphragmFive bladesSeven blades with a circular aperture
Angle of view–Horizontal 64°30′–23°20′; vertical 45°30′–15°40′; diagonal 74°20′–27°50′ according to the exact Canon manual
Mount and compatibility
MountsCanon EFCanon EF-S
Image circleFull frameAPS-C
CompatibilityCanon EF lens for full-frame and APS-C cameras (Bob Atkins Photography)Canon EF-S compatible APS-C cameras; 29–88 mm equivalent field of view
Teleconverter support–Canon extenders cannot be used
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.45 m0.25 m
Maximum magnification0.15×0.25×
Optical stabilisation–Yes
Autofocus detailMicromotor autofocusLead-screw STM; electronic manual adjustment after One-Shot autofocus while the shutter button remains half pressed, subject to camera settings
Focus distance detail–Manual focusing is unavailable with the camera off or lens asleep; internal focusing with a non-rotating front element according to both reviews
Magnification detail–Maximum 0.25× at 55 mm; EF12 II gives 0.82–0.66× at 18 mm and 0.55–0.23× at 55 mm; EF25 II is incompatible at 18 mm and gives 0.91–0.51× at 55 mm
Stabilisation detail–Four-stop CIPA claim at 55 mm using an EOS 7D Mark II; automatic panning compensation; Canon recommends switching IS off on a tripod to conserve power
Design
Filter diameter52 mm58 mm
Maximum diameter67.4 mm66.5 mm
Length42.5 mm61.8 mm
Weight190 g (better)215 g
Zoom design–Barrel extends when zoomed to 55 mm according to The Digital Picture
ControlsFocusing-distance window and separate manual-focus ring; metal lens mount and infrared focus index (Bob Atkins Photography)–
Dimensions detail67.4 mm maximum diameter × 42.5 mm length66.5 mm maximum diameter × 61.8 mm retracted length; dimensions and 215 g weight are lens only, excluding caps
Lens hood–EW-63C sold separately; exact manual and Canon Japan list LP1014 optional case, while the UK overview lists LP1016
Release detailReleased alongside the EOS 650 in March 1987, confirmed by Canon's retrospective EOS anniversary releaseCanon Japan's exact support specification gives first sale on 7 April 2017; Camera Museum gives April. The day is the Japanese release, not a separately confirmed UK day.

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