Nikon NIKKOR Z 20mm f/1.8 S vs Nikon NIKKOR Z 50mm f/1.4

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

Better figure, where one is clearly better

NIKKOR Z 20mm f/1.8 S compared with NIKKOR Z 50mm f/1.4
NikonNIKKOR Z 20mm f/1.8 SNikonNIKKOR Z 50mm f/1.4
Overview
ReleasedMarch 2020September 2024
Optics
Lens typePrimePrime
Focal length20 mm50 mm
Maximum aperturef/1.8f/1.4
Minimum aperturef/16f/16
Optical constructionFourteen elements in eleven groups10 elements in seven groups; internal focusing
Special elementsThree ED and three aspherical elementsOne aspherical element
CoatingsNano Crystal Coat–
Aperture detailf/1.8 maximum; f/16 minimumf/1.4–16
DiaphragmNine rounded bladesNine rounded blades
Angle of viewFX 94°; DX 70°FX 47°; DX 31°30′
Mount and compatibility
MountsNikon Z mountNikon Z mount
Image circleFull frameFull frame
CompatibilityNikon Z mount; full-frame FX and DX camerasNative Nikon Z mount; FX/full-frame image circle, also usable on DX cameras
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.2 m0.37 m
Maximum magnification0.19×0.17×
Optical stabilisationNoNo
Autofocus detailNikon's launch announcement identifies a stepping motor for fast, quiet autofocus; UK page describes a multi-focusing systemMulti-focusing system; stepping motors; automatic or manual focusing
Focus distance detailInternal focusing; minimum 0.2 m from focal plane; no mechanical end stops on the focus ring, as Photography Blog notesMinimum 0.37 m from focal plane; no separate AF/manual distance published
Magnification detailMaximum reproduction ratio 0.19×Maximum 0.17×
Stabilisation detailNo lens optical VR, as Digital Camera World confirms; compatible camera bodies can provide in-body stabilisationNo optical VR, as confirmed by Amateur Photographer; camera-body stabilisation depends on the body
Video featuresNikon describes smooth, quiet focus and suppressed focus breathing, with silent aperture control using the control ringSuppressed focus breathing, quiet focusing and clickless control ring
Design
Dust and moisture resistantYesYes
Filter diameter77 mm62 mm
Maximum diameter84.5 mm74.5 mm
Length108.5 mm86.5 mm
Weight505 g420 g (better)
ControlsProgrammable focus/control ring and A/M switch; control ring can adjust ISO, aperture or exposure compensation; no focus-distance scaleSeparate manual focus and customisable control rings; no physical AF/manual switch or function buttons, as confirmed by Amateur Photographer
Zoom design–Internal focusing keeps lens length unchanged
Filter detail77 mm screw-in filters, 0.75 mm pitch62 mm screw-in filters, 0.75 mm pitch
Weather resistanceNikon states extensive sealing of movable barrel parts against dust and moisture; not a waterproof guaranteeDesigned for dust and moisture resistance; resistance is not guaranteed under every condition
Dimensions detailApproximately 84.5 mm maximum diameter × 108.5 mm from the camera lens mount flangeApproximately 74.5 mm maximum diameter × 86.5 mm from mount flange
Weight detailApproximately 505 gApproximately 420 g
Lens hoodHB-95 includedHB-115 included
In the boxLC-77B front cap, LF-N1 rear cap, HB-95 hood and CL-C1 caseLC-62B front cap, LF-N1 rear cap and HB-115 hood
Release detailNikon USA's February 2020 announcement specifies March 2020 availability; an earlier confirmed retail day was not foundNikon USA states late September 2024 availability; earliest exact retail day and first UK day unconfirmed, so month precision retained. The co-marketed f/1.8 S is not treated as its predecessor

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