The MTF Services Ltd B4 2/3" to Sony PMW-EX3 Adaptor offers mounting of 2/3” broadcast lenses on the EX3, and allows the lens to be operated in full manual mode. It introduces a magnification factor of 1.375x.

Offers Mounting 2/3" Broadcast Lenses    Allows Full Manual Operation of Lenses    Magnification Factor - 1.375x

Offers mounting 2/3" broadcast lenses on the EX3

Allows the lens to be operated in full manual mode

Introduces a magnification factor of 1.375x

Related Questions and Answers

Q: 1. Will this physically mount/work on the URSA 12k? I understand that even in the window mode (s16 Crop) there would be vingetting but I'm wondering if I'll be able to get an image that I can then crop in further in post.

A: The Blackmagic Design URSA Mini Pro B4 Mount is not compatible with the Blackmagic Design URSA Mini Pro 12K (PL).

Q: 2. Zoom control

A: There is no zoom control on this adapter.

Q: 3. hi .. (Letus35 LETUS 1/3 "PRO RELAY LENS ..) I want to use it in connection with this product ... Tell me how?

A: The LETUS 1/3" PRO RELAY LENS is not a product that we sell at this time. However we do know that it works with cameras that have a 1/3" sensor, this adapter is for 2/3" B4 lenses. They are not compatible. You will not be able to use both products.

Q: 4. I know its not intended for this but is it possible to use this on a micro studio camera?

A: Unfortunately, no. The micro studio camera would have to have a removable mount.

Q: 5. Will this allow me to use a 1/3 b4 lens on the Blackmagic’s ursa 4K?

A: No. This Blackmagic Design URSA Mini Pro B4 Mount is a 2/3 B4 Mount.

Q: 6. Can this adapter work on the JVC ls300, which is a super 35mm sensor?

A: Sorry, the image created by this adapter is not large enough to cover the GY-LS300's Super35 sensor.

Q: 7. can i use this adapter on a blackmagic studio cam with a b4 without a extender option ?

A: A 2x extender on the lens is needed to use this adapter.

Q: 8. Hello Can I use this adapter with Vario Sonnar T1,6/4,4-52,8 Carl Zeiss lens used now on Sony Z7HVR, on my BMPCC 4K Micro for/third sensor?

A: That is not possible. This will not work with that lens.

Q: 9. Does it work with Blackmagic ursa mini?

A: No. The Mini are fixed mount and cannot be changed.

Q: 10. Is this also compatible between a Canon 2/3 B4 and the Blackmagic Micro Studio 4K camera?

A: YES - See youtube LefflerPost channel titled Canon full controller