Convert Fuji MK lens to Nikon Z and a new version of the B4 to S16 optical adapter

MTF Services latest updates February 2024

GTC Patron MTF Services, as well as being able to supply equipment from some of the major manufacturers, it is also proud to offer some unique products of its own, designed and built here in the UK to the highest specifications and using the best materials available anywhere.

A new kit to convert the Fuji MK lenses from E mount to Nikon Z mount

A 3 part conversion kit to change the mount of the Fuji MK lens from E or MFT to the new Nikon Z mount. The lens can then be used on the new range of Nikon Z mount cameras.

The kit consists of:

  • MTF Fuji MK Lens conversion kitReplacement collar (green ring on the lens)
  • Our own stainless steel Nikon Z mount
  • Light baffle
  • Fixing screws
  • Rear lens cap



A new version of our B4 to S16 optical adapter, now with Leica L mount making it compatible with the new Blackmagic 6K Cinema Camera

Use B4 2/3" lenses on Leica L mount cameras that have an option for Super 16 mode like the Blackmagic Cinema Camera 6K.  MTF own stainless steel L mount. MFT recommend you use HD lenses for the highest quality possible. Provision to accept the MTF M/43 & E Mount Support & DTap to 12Pin Hirose Cable.

MTF optical adapter

Please note: although it has a Leica L mount, this adaptor will not cover anything larger than a Super16 size sensor.

There will be approximately 0.8 stop of light loss when using this adaptor.


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Please visit the MTF Services website for further information: