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MTF Services Ltd B4 2/3" to Sony E-Mount Adapter

BH #MTB4SEMM • MFR #MTB4SEMM
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MTF Services Ltd B4 2/3" to Sony E-Mount Adapter
Key Features
  • Adapt B4 Lenses to E-Mount Cameras
  • For E-Mount Cameras in 2K or Crop Mode
  • For B4 2/3" Lenses with 2X Extender
The B4 2/3" to Sony E-Mount Adapter from MTF Services Ltd allows you to use B4 2/3" broadcast lenses on any Sony E-Mount camera. To ensure optimal performance, lenses should be used with their built-in 2X extender engaged, and cameras should only record in 2K or crop mode. Expand your E-Mount camera's compatibility with this adapter from MTF Services Ltd.
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Expected availability: 2-4 Weeks
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MTF Services Ltd MTB4SEMM Overview

The B4 2/3" to Sony E-Mount Adapter from MTF Services Ltd allows you to use B4 2/3" broadcast lenses on any Sony E-Mount camera. To ensure optimal performance, lenses should be used with their built-in 2X extender engaged, and cameras should only record in 2K or crop mode. Expand your E-Mount camera's compatibility with this adapter from MTF Services Ltd.

UPC: 635346640773

MTF Services Ltd MTB4SEMM Reviews

See any errors on this page?

Can I use this to adapt at Fujinon ...

Can I use this to adapt at Fujinon XA17x7.6BERM-M58B to my e mount Sony a7iii?
Asked by: Rob
Yes, you can use the MTF Services Ltd B4 2/3" to Sony E-Mount Adapter to mount a Fujinon XA17x7.6BERM 17x 2/3" Panasonic P2HD Lens to a Sony a7 III Mirrorless Camera but you'd need to set the camera to crop mode.
Answered by: John W
Date published: 2026-06-25

Is this a pass-through or optical adapter?

Is this a pass-through or optical adapter?
Asked by: Marco
The MTF Services Ltd B4 2/3" to Sony E-Mount Adapter is a pass-through adapter.
Answered by: Elliot A
Date published: 2026-05-29
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