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

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

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

B&H # MTB4SEM MFR # MTB4SEM
MTF Services Ltd B4 2/3" to Sony E-Mount Lens Adapter Package

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Product Highlights

  • Adapts B4 lenses to Sony E and Canon EF
  • Multi Layer Coated Optics
  • Solid Aluminum Construction
  • Includes Support Bridge
Reviews 4
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  • 1Description

The B4 2/3" to Sony E-Mount Lens Adapter Package from MTF Services Ltd includes two lens adapters, a B4 2/3" to Canon EF adapter and a Canon EF to Sony E adapter. The kit enables the use of ENG style B4 2/3" lenses on cameras with either Sony E-mount or Canon EF mount, like the Sony NEX-FS100 or the Canon C-300. The B4/EF adapter feature multi layer coated optics, and both adapters are of solid aluminum construction. A lens support bridge for use with 15mm rod support systems is also included.

Note: In order to avoid vignetting, the B4 2/3" lens will need to have the 2x extender engaged and the camera's image sensor should be Super 35mm or smaller. HD lenses are recommended.

Adapts B4 2/3" lenses to Sony E and Canon EF mount cameras
Multi layer coated optics and solid aluminum construction
Includes support bridge for use with 15mm rod support systems
UPC: 635346640780
In the Box
MTF Services Ltd B4 2/3" to Sony E-Mount Lens Adapter Package
  • B4 2/3" to Canon EF Adapter dbrefxwxeezssxfsxuzef
  • Canon EF To Sony E Mount Adapter
  • Lens Support Bridge
  • 1-Year Limited Warranty
    • Table of Contents
    • 1Description
    Mount Type B4 2/3" (female) to Canon EF (male)
    Canon EF (female) to Sony E (male)
    Packaging Info
    Package Weight 1.4 lb
    Box Dimensions (LxWxH) 6.5 x 6.0 x 6.0"
    B4 2/3" to Sony E-Mount Lens Adapter Package is rated 3.8 out of 5 by 4.
    Rated 5 out of 5 by from Just extended the lifespan of my lenses This product has breathed new life into my expensive HD broadcast lenses. I can go back to shooting documentaries as I grew up doing with a REAL zoom lens that tracks and and aperture ring on the lens!
    Date published: 2014-10-20
    Rated 1 out of 5 by from Not all that I bought this to use with the FS7. There's a slight gap between the two adapters which creates some unwanted shifting of the lens. Making sure you use the support bracket and keeping it tight will help but the screw to connect the support to the adapter is way too long and prevents setting the camera down on a flat surface. The image quality isn't that great either. Im returning this one and I'll wait for the firmware update that allows center crop. I'll then be using the $ B4 adapter also available here.
    Date published: 2016-01-11
    Rated 5 out of 5 by from Bring your 2/3 ENG lenses back to life I purchased this adapter to go on to my FS7 and make use of all the ENG 2/3 B4 lenses that I have. Its has a glass optic within giving you a 1.4 image magnification, there are cheaper versions around but with no glass optic. You have to flip in your doubler (2x extender) to fill the frame but it gives you the option to use a smooth zoomable ENG lens and get rid of the shocking 28-135 Sony lens (with the terrible zoom) that came with the FS7 package ..... In fact I sold the Sony lens which paid for most of this adapter ! It also enables you to remove the FS7 handle because you go back to slipping your right hand through the ENG lens and control zoom / iris and focus. The only thing you lose by removing the FS7 handle is the record button and two memory setting buttons but happy hitting the record button on the side of the camera. You will need to purchase the cable which powers your ENG lens from a D-tap power outlet (from my battery). The threaded screw that supports the mount and takes some weight and pressure off the adapter is way too long .... (I'm not sure what MTF were thinking when they included that ) I cut it back by 20mm and made sure the thread was still good and now if fits snug and allows me to place the camera down on the ground flat, whereas before the screw toppled the camera over to one side. Definitely worth the purchase if you have 2/3 lenses laying around.
    Date published: 2016-12-29
    Rated 4 out of 5 by from B4 2/3 to Sony E-Mount Lens Adapter Package Works well and is a flexible mount system that also incorporates a solution for EF mount lenses
    Date published: 2017-05-27
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