Viltrox EF-M2 II 0.71x Auto Focus Lens Mount Adapter For Canon EOS EF To M43

Name: Viltrox EF-M2 II 0.71x Auto Focus Lens Mount Adapter For Canon EOS EF To M43
Brand: Viltrox
SKU: 5025
Price: 120.00 GBP
Availability: InStock
Rating: 5 (4 reviews)

Viltrox EF-M2 II 0.71x Auto Focus Lens Mount Adapter For Canon EOS EF To M43

Part No: EF-M2 II

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£120.00

Stock: In Stock for Immediate Delivery

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Product Description

Viltrox EF-M2 II mount adapter is designed to allow for Canon EF/EF-S mount series lens to be used on M4/3 camera. Plus 0.71 based on the original focal length (equivalent focal length=focal length x0.71) which help enlarge 1 level aperture. Build-in 4groups, 4pcs optical glasses, AF (auto focus) and adjustable aperture etc.

Features:

Gold-plated electronic contact, Auto-focus function.
It can realize AF, adjustable aperture from camera body to lens's aperture.
More durable metal material.
Allow for Canon EF/EF-S mount series lens to be used on M4/3 camera.
Focus length multiplier: 0.71x.

Customer Reviews

Total Reviews (4)

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Neil Barnes

(5/5) Installed on Olympus OMD-EM10 III
30 October 2023

Installed Firmware update 4.0 immediately (quick and painless). Lenses used Canon EF 75-200 4-5.6 III and Canon EF 28-105 4-5.6. I was fully expecting to have to adjust the lenses on the speedbooster but found that I could focus on infinity no problem (both manually AND AF). Neither the adapter or the canon lenses felt 'loose' as some people have described. The AF WORKS but it does hunt about a bit before settling down as others have said. The Olympus IBIS seems to struggle a bit with the image jerking around slightly. These Canon lenses aint the best so I wasn't expecting miracles. The extra stop will be useful for astrophotography and other low light situations. Early days though (will post a further review once I've had a bit of a play).

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Phil

(5/5)
6 November 2018

Purchased this in October and it arrived the next day.
It's well constructed and with little bit of searching the firmware updates can be found, they are easy to update.
The adapter needs to be "Tuned" to the camera and lens.
Mine out of the box lost focus as you zoomed from tight to wide, this is the same for other brands of adapter.
It's quite quick and simple to do and only needs to be done once.
After setting the adapter up it works really well and I'm very pleased with it.
The adapter works on my Canon EF lenses with auto focus and auto iris but won't work on any of my Samyang lenses, presumably because they have no auto functions on them.

If your thinking of a speed booster adapter then I would recommend you consider this, great value for money.

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