Nikon AF-S NIKKOR 20mm f/1.8G ED vs Nikon AF-S NIKKOR 24mm f/1.8G ED

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AF-S NIKKOR 20mm f/1.8G ED compared with AF-S NIKKOR 24mm f/1.8G ED

	NikonAF-S NIKKOR 20mm f/1.8G ED	NikonAF-S NIKKOR 24mm f/1.8G ED
Overview
Released
Released	September 2014	September 2015
Optics
Lens type
Lens type	Prime	Prime
Focal length
Focal length	20 mm	24 mm
Maximum aperture
Maximum aperture	f/1.8	f/1.8
Minimum aperture
Minimum aperture	f/16	f/16
Optical construction
Optical construction	13 elements in 11 groups	12 elements in nine groups
Special elements
Special elements	Two ED glass elements and two aspherical elements	Two ED glass elements and two aspherical elements
Coatings
Coatings	Nano Crystal Coat	Nano Crystal Coat
Diaphragm
Diaphragm	Seven rounded blades	Seven rounded blades
Angle of view
Angle of view	FX and 35 mm film 94°; DX 70°	FX and 35 mm film 84°; DX 61°
Mount and compatibility
Mounts
Mounts	Nikon F mount	Nikon F mount
Image circle
Image circle	Full frame	Full frame
Compatibility
Compatibility	Nikon F mount; full-frame/FX coverage, also usable on DX	Nikon F-mount G-type CPU lens covering FX; Digital Camera World gives a 36 mm equivalent angle of view on DX
Focus and stabilisation
Autofocus
Autofocus	Yes	Yes
Minimum focus distance
Minimum focus distance	0.2 m	0.23 m
Maximum magnification
Maximum magnification	0.23×	0.2×
Optical stabilisation
Optical stabilisation	No	No
Autofocus detail
Autofocus detail	Rear focusing with Silent Wave Motor; manual focus possible, according to Nikon Japan	Rear focusing with an ultrasonic motor according to Nikon Japan; both reviews identify Silent Wave Motor and manual override
Focus distance detail
Focus distance detail	Minimum 0.2 m from the focal plane	Minimum focus 0.23 m from the focal plane
Magnification detail
Magnification detail	Nikon Japan specifies maximum 0.23×; Camera Labs measures 1:4, which is not substituted for the maker value	–
Stabilisation detail
Stabilisation detail	No optical VR, confirmed by both reviews	No optical VR, confirmed by both reviews
Video features
Video features	Camera Labs observes visible focus breathing and some focus-ring play	–
Design
Filter diameter
Filter diameter	77 mm	72 mm
Maximum diameter
Maximum diameter	82.5 mm	77.5 mm
Length
Length	80.5 mm	83 mm
Weight
Weight	355 g	355 g
Controls
Controls	Focus ring, distance window and M/A–M switch; Photography Blog notes depth-of-field markings only at f/16 and no aperture ring	Focus ring, distance window and M/A–M switch; ePHOTOzine reports no aperture ring and a non-rotating front element
Filter detail
Filter detail	77 mm screw-in filters; 0.75 mm thread pitch	–
Weather resistance
Weather resistance	Camera Labs identifies a rubber gasket at the mount and no further weather sealing; Photography Blog describes the lens as unsealed. A general weather-resistance rating is therefore not assigned	Digital Camera World identifies a mount gasket, while ePHOTOzine notes the lack of general weather resistance. No general maker protection rating is assigned
Dimensions detail
Dimensions detail	Approximately 82.5 mm maximum diameter × 80.5 mm length from the mount, according to Nikon Japan	Approximately 77.5 mm maximum diameter × 83 mm from the mount
Weight detail
Weight detail	Approximately 355 g	Nikon UK and Japan specify 355 g; Digital Camera World's table and prose give 335 g. The maker figure is retained
Lens hood
Lens hood	HB-72 bayonet hood included	–
In the box
In the box	LC-77 front cap, LF-4 rear cap, HB-72 hood and CL-1015 flexible pouch	LC-72 front cap, LF-4 rear cap, HB-76 bayonet hood and CL-1015 lens case
Release detail
Release detail	Nikon Japan records first sale on 25 September 2014; the global announcement was issued on 12 September	Nikon Canada stated mid-September 2015 availability; Nikon Japan records 17 September 2015. Month precision is retained because Canada's first-sale day is unspecified