Nikon NIKKOR Z 70-180mm f/2.8 vs Nikon NIKKOR Z DX 50-250mm f/4.5-6.3 VR

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

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NIKKOR Z 70-180mm f/2.8 compared with NIKKOR Z DX 50-250mm f/4.5-6.3 VR
NikonNIKKOR Z 70-180mm f/2.8NikonNIKKOR Z DX 50-250mm f/4.5-6.3 VR
Overview
ReleasedJuly 2023November 2019
Optics
Lens typeZoomZoom
Focal length70–180 mm50–250 mm
Maximum aperturef/2.8f/4.5–6.3
Minimum aperturef/22f/22–32
Optical constructionNineteen elements in fourteen groupsSixteen elements in twelve groups
Special elementsFive ED elements, one Super ED element and three aspherical elementsOne ED element
CoatingsAntifouling coating on the front-most surface–
DiaphragmNine rounded bladesSeven rounded blades
Angle of viewFX 34°20′–13°40′; DX 22°50′–9°DX 31°30′–6°30′
Mount and compatibility
MountsNikon Z mountNikon Z mount
Image circleFull frameAPS-C
CompatibilityNikon Z mount; FX and DX camerasNikon Z DX format; 75–375 mm full-frame-equivalent angle of view, as Photography Blog describes
Teleconverter supportZ TELECONVERTER TC-1.4× extends reach to 252 mm; TC-2.0× to 360 mm and maximum reproduction ratio to 0.96×. Nikon cautions that autofocus or electronic rangefinding may be unreliable depending on subject, lighting and focus point–
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.27 m (autofocus)0.5 m
Maximum magnification0.48× (autofocus)0.23×
Optical stabilisationNoYes
Autofocus detailStepping-motor autofocus; Nikon Japan identifies a multi-focus systemStepping-motor autofocus, as Photography Blog describes
Focus distance detailInternal focusing; minimum distances from focal plane 0.27 m at 70 mm, 0.33 m at 85 mm, 0.42 m at 105 mm, 0.58 m at 135 mm and 0.85 m at 180 mm. Nikon Japan explicitly confirms autofocus at minimum distance. CameraLabs measured 0.26 m at 70 mm in manual focus; that measured value does not replace Nikon's autofocus figureInternal focusing; minimum distances from focal plane 0.5 m at 50 mm, 0.52 m at 70 mm, 0.58 m at 100 mm, 0.65 m at 135 mm, 0.83 m at 200 mm and 1 m at 250 mm
Magnification detailNikon's maximum reproduction ratio is 0.48×, with autofocus at minimum distance. CameraLabs' manual-focus test at 70 mm reached 1:1.9; its closest-focus image quality was weaker outside the centreMaximum reproduction ratio 0.23×
Stabilisation detailNo optical VR; stabilisation depends on a compatible camera body's sensor-shift systemLens-shift VR with voice-coil motors; Nikon's five-stop CIPA claim measured on an APS-C camera at maximum telephoto
Video featuresNikon describes quiet focusing and reduced breathing, but warns that breathing can remain visible depending on distance. Digital Camera World and CameraLabs both observed breathingNikon describes reduced focus breathing and fast, quiet focusing
Design
Dust and moisture resistantYesNo
Filter diameter67 mm62 mm
Maximum diameter83.5 mm74 mm
Length151 mm110 mm
Weight795 g405 g (better)
ControlsZoom ring, programmable focus/control ring and zoom lock at 70 mm; no AF/MF switch, function buttons or display. Digital Camera World describes aperture, ISO and exposure-compensation assignmentsZoom ring and programmable focus/control ring with manual focus, aperture and exposure-compensation assignments. Digital Camera World also identifies ISO assignment
Zoom designExtending zoom barrel; no detachable tripod collar, as CameraLabs describesButton-free retractable mechanism; rotate the zoom ring to extend before shooting. Locks when retracted; barrel extends further towards 250 mm
Filter detail67 mm screw-on filters, 0.75 mm pitch62 mm screw-on filters, 0.75 mm pitch
Weather resistanceNikon describes dust and drip resistance; complete protection is not guaranteed in all conditionsPhotography Blog reports no dust or moisture sealing and a plastic mount; Nikon UK's page does not claim weather protection
Dimensions detailApproximately 83.5 × 151 mm; length from lens mount flangeApproximately 74 mm maximum diameter × 110 mm from mount flange when retracted; shooting length is greater
Weight detailApproximately 795 gApproximately 405 g
Lens hoodHB-113 hood included–
In the boxLC-67B front cap, LF-N1 rear cap, HB-113 hood and CL-C2 caseLC-62B front cap and LF-N1 rear cap; Photography Blog reports no supplied hood or case
Release detailNikon Japan gives 14 July 2023 as the on-sale date; the US announcement stated mid-July 2023Nikon USA announced November 2019 availability with Z50 twin-lens kits

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