Canon RF 16mm F2.8 STM vs Canon RF 28mm F2.8 STM

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RF 16mm F2.8 STM compared with RF 28mm F2.8 STM

	CanonRF 16mm F2.8 STM	CanonRF 28mm F2.8 STM
Overview
Released
Released	October 2021	July 2023
Optics
Lens type
Lens type	Prime	Prime
Focal length
Focal length	16 mm	28 mm
Maximum aperture
Maximum aperture	f/2.8	f/2.8
Minimum aperture
Minimum aperture	f/22	f/22
Optical construction
Optical construction	Nine elements in seven groups	Eight elements in six groups
Special elements
Special elements	One aspherical element	Three plastic-moulded aspherical elements; Super Spectra coating; no fluorine coating
Diaphragm
Diaphragm	Seven blades	Seven blades, circular aperture
Mount and compatibility
Mounts
Mounts	Canon RF	Canon RF
Image circle
Image circle	Full frame	Full frame
Compatibility
Compatibility	Canon RF mount, full-frame image circle; RF extenders and EF extension tubes not compatible	Canon RF mount, full-frame image circle; RF extenders not compatible
Focus and stabilisation
Autofocus
Autofocus	Yes	Yes
Minimum focus distance
Minimum focus distance	0.13 m	0.23 m
Maximum magnification
Maximum magnification	0.26×	0.17×
Optical stabilisation
Optical stabilisation	No	No
Autofocus detail
Autofocus detail	STM autofocus and electronic manual focusing	STM autofocus and electronic manual focusing
Focus distance detail
Focus distance detail	Minimum focusing distance 0.13 m; inner barrel extends when powered and during focusing	Minimum focusing distance 0.23 m
Magnification detail
Magnification detail	Maximum 0.26× reproduction	Maximum 0.17× reproduction
Stabilisation detail
Stabilisation detail	No optical IS, per OpticalLimits and Cameralabs; compatible camera stabilisation is separate	No lens optical IS; compatible camera stabilisation is separate
Design
Dust and moisture resistant
Dust and moisture resistant	No	No
Filter diameter
Filter diameter	43 mm	55 mm
Maximum diameter
Maximum diameter	69.2 mm	69.2 mm
Length
Length	40.2 mm	24.7 mm
Weight
Weight	165 g	120 g (better)
Controls
Controls	Combined focus/control ring and function switch; Cameralabs notes manual focus also needs selecting in camera settings	Combined focus/control ring with AF/Control/MF selector
Filter detail
Filter detail	Only one filter at a time; Canon 250D/500D close-up lenses and PL-C B circular polariser not compatible	–
Weather resistance
Weather resistance	OpticalLimits and Cameralabs report no weather sealing	No dust or moisture resistance
Dimensions detail
Dimensions detail	Approximately 69.2 mm maximum diameter × 40.2 mm length, retracted	Approximately 69.2 mm maximum diameter × 24.7 mm length, retracted
Weight detail
Weight detail	Approximately 165 g lens	Approximately 120 g lens
Lens hood
Lens hood	EW-65C, sold separately	EW-55, sold separately
In the box
In the box	Lens, EF-43 front cap, RF lens dust cap and user manual kit	Lens, E-55 front cap, RF lens dust cap and user manual
Release detail
Release detail	October 2021 marketed month in Canon Camera Museum	July 2023 marketed month in Canon Camera Museum