Viltrox Canon EF to m43 Electronic Speed Booster Adapter

Vitaliy_Kiselev

Viltrox EF-M2 Electronic Adapter (F Booster) is designed for Micro Four Third cameras and Canon EF mount lenses. EF-M2 has built in optics to increase light input by one F stop and reduce focal length by x0.71. EF-M2 also comes with USB port for firmware update and a dedicated button to adjust aperture.

Product features:

Support Micro Four Third cameras

Integrated USB port for adapter firmware update^

4 elements in 4 groups optics increase light input by one F stop and also reduce focal length by x0.71.

Dedicated switch to adjust aperture

Support EF lenses manufactured by Canon, Sigma, Tokina and Tamron

Record EXIF data includes aperture, focal distance etc.

Support lens Image Stabilizer

High precision galvanized alloy with chromium plating on both mounting surface to ensure smooth installation and durability.

https://www.ebay.com/itm/Viltrox-EF-M2-Electronic-Adapter-F-Booster-0-71x-for-Canon-EF-to-MFT-M43/162788392575

Vitaliy_Kiselev

Vitaliy_Kiselev

Review

https://jimchungblog.wordpress.com/2017/12/15/viltrox-ef-m2-adaptor-tested/

Vitaliy_Kiselev

Very good deal today at $119

https://www.tomtop.com/p-d5237.html

Ezzelin

Tomtop is selling the adapter on eBay for a couple dollars less:

https://www.ebay.com/itm/VILTROX-EF-M2-0-71X-ELECTRONIC-ADAPTER-BOOSTER-FOR-CANON-EF-LENS-TO-M43-MFT-DSLR/401474286294

Vitaliy_Kiselev

@Ezzelin

For $2 less :-) Much better idea to support PV and shop buying at tomtop directly

MarcioK

Looks like that there is a Mark II version of the EF-M2: https://www.ebay.com/itm/Viltrox-EF-M2II-mark-II-Electronic-Adapter-F-Booster-0-71x-for-Canon-to-M43-/162788392575

In the Viltrox firmware update page, the mark II is referenced too (but the firmwares are the same).

Anyone knows what changes in the Mark II version?

MirrorMan

I did a quick search and it seems the Viltrox Mark II was released when Metabones also released a Mark II especially for the BMPCC4K. This is explained in this video.

MirrorMan

The Viltrox Mark II also allows non-EF manual lenses like M42, to be used (via an EF adapter of course). The Mark I apparently throws an error if you do this.

Meierhans

There is an easy fix to mark 1 users: As the error occurs due to shortening of the contacts with the added M42 Adapter , you just have to put a piece of tape on the added adapter (NOT the viltrox, but the M42!) You can leave this in place and do not need to remove it.

MarcioK

@MIrrorMan, yeah, the 1st version (that I have) cannot be used with legacy lenses - the tape hack works, but is very incovenient.

Will get this new version.

Grimor

I have Ef-m2 II and I can't shoot on GH2 with samyang 35mm (manual lens). It throws an error "lens not recognized". I tried to update the viltrox to the last firm. V3.4 but errors still remains. On G80 everything works well, but not on GH2. Any fix/ ideas?

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