![Techart TZG01 09](/wp-content/uploads/2021/12/Techart_TZG01_09-740x416.jpg)
Techart releases what they state is the first-ever Contax G to Nikon Z Autofocus Adapter. The adapter motor drives the screw-on G lenses to initiate the focusing mechanism. AF-S, AF-C is supported as a shooting mode, as well as manual focus.
Compatible Lenses
![Techart TZG01 10](https://www.newsshooter.com/wp-content/uploads/2021/12/Techart_TZG01_10-740x494.jpg)
- Carl Zeiss T* Biogon 21mm/f2.8
- Carl Zeiss T* Biogon 28mm/f2.8
- Carl Zeiss T* Planar 35mm/f2
- Carl Zeiss T* Planar 45mm/f2
- Carl Zeiss T* Sonnar 90mm/f2.8
- Carl Zeiss T* Vario Sonnar 35-70mm/f3.5-5.6
Techart TZG-01 simulates the autofocus mechanism that is done by Contax G cameras and their lenses. The brushless motor drives the screw on G lenses which control the movement of the lens to achieve focus. A dial on the side also allows users to manually adjust the focal point. It is for minor adjustment of the focus point in autofocus mode.
TZG-01 Key features
- Support AF-S and AF-C mode including face, eye, and animal detection
- Support dynamic area AF, auto-area AF, and single-point AF
- A release button on the side
- A dial on the side of the adapter for manual focusing
- Firmware upgradable via Micro USB plug
- Powered by the camera body
- Weight: 134g
Compatibility with IBIS
![Techart TZG01 06](https://www.newsshooter.com/wp-content/uploads/2021/12/Techart_TZG01_06-740x494.jpg)
While shooting, the aperture value in the camera should be set to dedicated values with respect to the focal length of the lens, to maximize IBIS performance. Contax-G lenses are manual aperture lenses. The setting of camera aperture will not affect the shooting exposure. Respective aperture values to different focal lengths are shown in the table below:
![Screen Shot 2021 12 21 at 8 10 46 AM](https://www.newsshooter.com/wp-content/uploads/2021/12/Screen-Shot-2021-12-21-at-8.10.46-AM-740x324.png)
The adapter is compatible with all Contax G Lenses and Nikon Z cameras.
Firmware Updatable
![Techart TZG01 04](https://www.newsshooter.com/wp-content/uploads/2021/12/Techart_TZG01_04-740x494.jpg)
The TZG-01 adapter is firmware upgradable. A USB update hub is included. The firmware update software can be downloaded from Techart website.
Price and Availability
![Techart TZG01 08](https://www.newsshooter.com/wp-content/uploads/2021/12/Techart_TZG01_08-740x494.jpg)
The retail price of a TZG-01 Autofocus Adapter for Contax G to Nikon Z cameras is USD $299 in the United States. It is available on the Techart website