Reviews |URTH Lens mount adapter (Electronic)

URTH Lens mount adapter (Electronic) Review

URTH Lens mount adapter (Electronic)
Review

Price when reviewed

£123

$142

Our Verdict

A lens adapter will enable you to bring old lenses back into service. But it should be stated that you shouldn’t expect the same performance from the lens that you would when it’s used on its native system.
The URTH Lens mount adapter is a great choice and enables you to attach Canon EF lenses to your Sony E Mount cameras.
In use, the adapter works well with the lens communicating aperture, exposure and AF data with the camera body. There are a few noticeable differences with focus speeds and accuracy away from the centre point and built-in lens stabilisation tends not to work, but still, it enables you to get old lenses back into use.
A month of use and I have to say I’m impressed with just how well this adapter works, and while lens AF speed was reduced it was great to have some of my older lenses back in service, especially the 100-400mm. If you want to use lenses from your old camera systems then I would highly recommend the URTH Lens Mount adapter.

For

  • Well made
  • Easy to use
  • Bring old lenses back into use

Against

  • No support for in-lens stabilisation
  • Slightly different focus readout
  • Slower focus outside of centre AF area

What is the URTH Lens mount adapter?

You may not have heard of Urth before, and indeed when an email arrived in my inbox from the company, I have to admit I hadn’t a clue who they were either.

But, a short distance into reading the mail and the name GOBE popped up, a company I am more than familiar with, having tested many of their filters over the years.

GOBE, now URTH, are an Australian based manufacturer and produce affordable filters and accessories. The rebrand helps bring the company image up to date, and it’s quite a transformation.

The new packaging looks stunning, and the quality of the new products look refined and well made.

The first of their latest products that arrive, and I have to say I was excited to try was the URTH Lens Mount Adapter. This small device enables the mounting of Canon EF lenses on to Sony E Mount cameras.

There are two versions of the adapter, and I’ve opted for the full electronic version that will enable data communication from the lens to the camera.

Build and Handling

URTH’s new packing instantly sets the standard for the quality of the adapter inside. The small cylindrical cardboard box is fully recyclable and made from renewable sources. That instantly endears me to the product and company.

Inside, the adapter is neatly contained. Surprisingly, there are no end caps, and I suppose this makes sense as the idea is that you instantly fit the adapter to your intended lens and leave it there.

This is fine unless you have multiple old lenses you want to use regularly, in which case you may want to purchase a couple of end caps to keep the adapter safe in your bag, or simply buy more adapters, the choice is yours.

Build quality is solid, with a good satin finish, somewhere between the matte finish of the Sony camera and the textured finish of the Canon lens.

Checking over the adapter and it all seems well made. The E-Mount fit to the camera is snug and secure and equally fitting an EF Macro 100mm 1:2:8L IS USM to the front proves that everything attaches precisely.

On the side of the adapter is the lens release, this is a small metal lever which gives a reassuring click as the lens is rotated into position.

Lens positioned, and camera switched on, everything works and is recognised as normal. Checking all the functions and features, and everything seems to be in order.

Focus works and all data seems to be communicated to the camera body—all a good start to the test.

Performance

Fitting an adapter is as simple as fitting a lens. Pop it on between the camera and lens, and once in place functions and features seem as they should.

Point the lens at your subject half-press the shutter and the lens focus, showing that the electronics are doing what they should.

Aperture adjustments and other lens feedback all seem to work, but there are a few noticeable quirks, which is to be expected.

Firstly and most noticeably is the focus speed, which drops slightly from what you would expect if the lens was attached to a native EF mount body.

The reduction in focus speed is noticeable but doesn’t affect the accuracy of the focus. The other noticeable difference is the Focus Area box that usually turns green when the focus locks on, doesn’t. Instead, a small green square appears in the focus area – It all seems to work just fine, and I’m not 100% sure why this happens but will continue to look into it.

Slight AF display oddity aside and the actual focus works well. Again there is a reduction in lens AF performance.

The two main areas of AF performance reduction are first as you move the focus area away from the centre point of the frame, and as the focal length gets narrower.

The reason for this is undoubtedly due to the difference in AF systems used by the Canon and Sony models, however, as long as you’re not too worried by the speed of focus then the lens in use works well.

In this test, I swapped between the Canon EF 100-400mm L USM, Canon EF 100mm L USM and Canon 24-70mm L USM.

Starting with the 100mm and aside from it looking great on the camera, the performance was also exceptional. Focus when at the centre frame is fast and the focus locks on at speed.

Move the focus area off centre, and the focus starts to take a bit more time and at the edge of the frame there were plenty of instances of the camera searching for focus.

The next test was to use the Canon 24-70mm as this is a staple of most Canon photographers kit bags. Again the performance is fast and accurate at the centre focus area, and the characteristics almost match the 100mm as it goes to the edge frame.

Finally popping on the 100-400mm and this time you can tell that there is a slowdown in the focus speed at the centre point when at 400mm especially, but it still seemed to focus well.

Moving the focus area over to the edge and the hit rate was vastly reduced.

Using each lens, I tested both in AF and manual. I was generally impressed with the adapter’s performance, especially when considering that this is substantially cheaper the Metabones and Sigma offerings.

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Fred Loxton
Fred Loxton
1 year ago

There is now a need to fit Leica M lenses to the Leica Cl camera
the Leica product sells at +£300 !!!