Tamron 17-70mm F/2.8 Di III-A VC RXD (Nikon Z) vs Tamron 35-100mm F/2.8 Di III VXD (Nikon Z)

The bottom line

These two are closely matched. The differences below are where they diverge — weigh the ones that map to what you shoot, and let size, price and handling break the tie.

Choose the Tamron 17-70mm F/2.8 Di III-A VC RXD (Nikon Z) if…

  • You shoot wide — it starts at 17mm vs 35mm for landscapes, interiors and architecture.
  • You shoot handheld or on an unstabilised body — it has optical stabilisation, the other doesn't.

Choose the Tamron 35-100mm F/2.8 Di III VXD (Nikon Z) if…

  • You need more reach — it goes to 100mm vs 70mm for distant subjects, wildlife and sport.

Where they differ

  • Focal range: Tamron 17-70mm F/2.8 Di III-A VC RXD (Nikon Z) is 17-70mm, Tamron 35-100mm F/2.8 Di III VXD (Nikon Z) is 35-100mm — different framing and reach.
  • Price: the Tamron 17-70mm F/2.8 Di III-A VC RXD (Nikon Z) is $799, $130 under the Tamron 35-100mm F/2.8 Di III VXD (Nikon Z).
  • Stabilisation: only the Tamron 17-70mm F/2.8 Di III-A VC RXD (Nikon Z) has optical stabilisation — steadier handheld shots, especially on bodies without IBIS.

Frequently asked

Is the Tamron 17-70mm F/2.8 Di III-A VC RXD (Nikon Z) or the Tamron 35-100mm F/2.8 Di III VXD (Nikon Z) better?

These two are closely matched. The differences below are where they diverge — weigh the ones that map to what you shoot, and let size, price and handling break the tie.

Who should choose the Tamron 17-70mm F/2.8 Di III-A VC RXD (Nikon Z)?

Choose the Tamron 17-70mm F/2.8 Di III-A VC RXD (Nikon Z) if you shoot wide — it starts at 17mm vs 35mm for landscapes, interiors and architecture. Choose it if you shoot handheld or on an unstabilised body — it has optical stabilisation, the other doesn't.

Who should choose the Tamron 35-100mm F/2.8 Di III VXD (Nikon Z)?

Choose the Tamron 35-100mm F/2.8 Di III VXD (Nikon Z) if you need more reach — it goes to 100mm vs 70mm for distant subjects, wildlife and sport.

What is the main difference between the Tamron 17-70mm F/2.8 Di III-A VC RXD (Nikon Z) and the Tamron 35-100mm F/2.8 Di III VXD (Nikon Z)?

Focal range: Tamron 17-70mm F/2.8 Di III-A VC RXD (Nikon Z) is 17-70mm, Tamron 35-100mm F/2.8 Di III VXD (Nikon Z) is 35-100mm — different framing and reach.

Product
Optical Design
Focal Length17-70mm35-100mm
Lens TypeZoomZoom
Optical Elements1615
Optical Groups1213
Aperture & Iris
Maximum Aperturef/2.8f/2.8
Minimum Aperturef/22f/22
Aperture Blades9
Rounded ApertureNoYes
Coverage & Angle
Format CoverageAPS-CFull-Frame
Lens MountNikon ZNikon Z
Angle of View79.9° – 22.7°63.4° – 24.4°
35mm Equivalent26-105mm
Focus
AutofocusYesYes
Focus MotorRXDVXD
Focus LimiterNoNo
AF/MF SwitchNoNo
Min Focus Distance19 cm22 cm
Max Magnification
Stabilization & Video
Optical StabilizationYesNo
Aperture RingNoNo
Declickable ApertureNoNo
ParfocalNoNo
Internal ZoomNoNo
General
Price (MSRP)$799$929
Filter Size67mm67mm
Diameter74.6mm80.6mm
Length119.3mm121.5mm
Weight525g (1.16 lb)575g (1.27 lb)
Weather SealedYesYes
Tripod CollarNoNo