Rumors about Tamron making mirrorless lenses for Z-mount have been around for a while and I think we now see the result of those reports. There is a little doubt in my mind that the new Nikkor Z 28-75mm f/2.8 lens is based on the existing Tamron 28-75mm f/2.8 lens (as previously reported) – see for yourself:
Nikon 28-75mm f/2.8 lens:
Tamron 28-75mm f/2.8 lens:
Update – as several readers have commented, it seems that Nikon used the older version of the Tamron lens:
Here are the specifications comparison between the new Nikon lens (left) and the existing Tamron lens (right) (the Tamron lens is $300 cheaper):
Next is a comparison between the NIKKOR Z 28-75mm f/2.8 and the NIKKOR Z 24-70mm f/2.8 S:
 Nikkor Z 28-75mm f/2.8 ($1,200) |  Nikkor Z 24-70mm f/2.8 S ($2,000) | ||
| Type | |||
|---|---|---|---|
| Nikon Z mount | Nikon Z mount | ||
| Format | |||
| FX/35mm | FX/35mm | ||
| Focal length | |||
| 28–75 mm | 24–70 mm | ||
| Maximum aperture | |||
| f/2.8 | f/2.8 | ||
| Minimum aperture | |||
| f/22 | f/22 | ||
| Lens construction | |||
| 15 elements in 12 groups (including 1 super-ED element, 1 ED element, 3 aspherical elements) | 17 elements in 15 groups (including 2 ED elements, 4 aspherical elements, elements with Nano Crystal and ARNEO coats, and fluorine-coated front and rear lens elements) | ||
| Angle of view | |||
| FX format: 75° to 32° 10‘ DX format: 53° to 21° 20‘ | FX format: 84° to 34° 20′ DX format: 61° to 22° 50′ | ||
| Focal length scale | |||
| Graduated in millimeters (28, 35, 50, 75) | Graduated in millimeters (24, 28, 35, 50, 70) | ||
| Focusing system | |||
| Internal focusing system | Internal focusing system | ||
| Minimum focus distance(measured from focal plane) | |||
| 28 mm zoom position: 0.19 m (0.63 ft) 35 mm zoom position: 0.22 m (0.73 ft) 50 mm zoom position: 0.3 m (0.99 ft) 75 mm zoom position: 0.39 m (1.28 ft) | 0.38 m ( 1.25 ft) from focal plane at all zoom positions | ||
| Maximum reproduction ratio | |||
| 0.34 x | 0.22 x | ||
| No. of diaphragm blades | |||
| 9 (rounded diaphragm opening) | 9 (rounded diaphragm opening) | ||
| Filter size | |||
| 67mm (P=0.75mm) | 82mm (P=0.75mm) | ||
| Dimensions | |||
| 75mm x 120.5mm (3 in. x 4.8 in.) | 89mm/3.6 in. maximum diameter x 126mm/5 in. | ||
| Weight | |||
| 565 g (1 lb 4 oz) | 805 g (1 lb 12.4 oz) | ||
| Autofocus | |||
| Yes | Yes | ||
| Internal focusing | |||
| Yes | Yes | ||
| Focusing | |||
| Auto, Manual | Auto, Manual | ||
| Supplied accessories | |||
| LC-67B Lens Cap (front cap), LF-N1 Lens Cap (rear cap), HB-93A Lens Hood, CL-C2 Lens Case | LC-82B 82 mm Snap-on Front Lens Cap, LF-N1 Rear Lens Cap, HB-87 Bayonet Hood, CL-C2 Lens Case | ||
| Coating | |||
| — | Nano Crystal Coat, Fluorine coat, ARNEO coat | ||
First Nikkor Z 28-75mm f/2.8 lens hands-on picture (credit: Nikon Plaza) and video:
Pre-orders for the new Nikkor Z 28-75mm f/2.8 lens are now open at:
