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.
@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.
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.
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.
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.
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?
For $2 less :-) Much better idea to support PV and shop buying at tomtop directly
Tomtop is selling the adapter on eBay for a couple dollars less:
Very good deal today at $119
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