Request a product

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

NikonAF-S NIKKOR 20mm f/1.8G EDNikonNIKKOR Z 50mm f/1.4
Overview
ReleasedSeptember 2014September 2024
Optics
Lens typePrimePrime
Focal length20 mm50 mm
Maximum aperturef/1.8f/1.4
Minimum aperturef/16f/16
Optical construction13 elements in 11 groups10 elements in seven groups; internal focusing
Special elementsTwo ED glass elements and two aspherical elementsOne aspherical element
Aperture detail–f/1.4–16
CoatingsNano Crystal Coat–
DiaphragmSeven rounded bladesNine rounded blades
Angle of viewFX and 35 mm film 94°; DX 70°FX 47°; DX 31°30′
Mount and compatibility
MountsNikon F mountNikon Z mount
Image circleFull frameFull frame
CompatibilityNikon F mount; full-frame/FX coverage, also usable on DXNative 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 magnification0.23×0.17×
Optical stabilisationNoNo
Autofocus detailRear focusing with Silent Wave Motor; manual focus possible, according to Nikon JapanMulti-focusing system; stepping motors; automatic or manual focusing
Focus distance detailMinimum 0.2 m from the focal planeMinimum 0.37 m from focal plane; no separate AF/manual distance published
Magnification detailNikon Japan specifies maximum 0.23×; Camera Labs measures 1:4, which is not substituted for the maker valueMaximum 0.17×
Stabilisation detailNo optical VR, confirmed by both reviewsNo optical VR, as confirmed by Amateur Photographer; camera-body stabilisation depends on the body
Video featuresCamera Labs observes visible focus breathing and some focus-ring playSuppressed focus breathing, quiet focusing and clickless control ring
Design
Dust and moisture resistant–Yes
Filter diameter77 mm62 mm
Maximum diameter82.5 mm74.5 mm
Length80.5 mm86.5 mm
Weight355 g420 g
ControlsFocus ring, distance window and M/A–M switch; Photography Blog notes depth-of-field markings only at f/16 and no aperture ringSeparate 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 thread pitch62 mm screw-in filters, 0.75 mm pitch
Weather resistanceCamera 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 assignedDesigned for dust and moisture resistance; resistance is not guaranteed under every condition
Dimensions detailApproximately 82.5 mm maximum diameter × 80.5 mm length from the mount, according to Nikon JapanApproximately 74.5 mm maximum diameter × 86.5 mm from mount flange
Weight detailApproximately 355 gApproximately 420 g
Lens hoodHB-72 bayonet hood includedHB-115 included
In the boxLC-77 front cap, LF-4 rear cap, HB-72 hood and CL-1015 flexible pouchLC-62B front cap, LF-N1 rear cap and HB-115 hood
Release detailNikon Japan records first sale on 25 September 2014; the global announcement was issued on 12 SeptemberNikon 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

More comparisons