Fotasy Canon EF to MFT Adapter w/ built in Aperture Ring

This is a review of the Fotasy EF to MFT Adapter with built in aperture ring.

Fotasy EF to MFT Adapter w/ Aperture Ring

For this review, I bought this item from Amazon after spending countless hours spanning about 2 weeks. From that search I have come across a lot of different adapters of different prices, shapes, sizes and colors. Many of them all do the same thing, but there are some features that you would really want to have if you do a lot of run and gun photography or videography. And there are also features you really don’t need if you are on a strict college student budget.

Having been a Canon guy for a few years now, I was accustomed to using only Canon cameras. But after much debate on some features I missed from your typical pro camcorders, I decided to get a Panasonic GH4, returning to my first brand of point and shoot camera and camcorder.

PRICE: $30USD

Lets talk first about price. This item when I got it off Amazon was about $30USD. The reason I got one for this price compared to those of lower price was because I wanted to try out an adapter with the built in aperture ring feature. Also I wanted to get a cheap adapter for the time being so that I can use my Canon lens until I get a Metabones Speedbooster Ultra 0.71x or Aputure’s new, DEC LensRegain. For spending this little money compared to the speedbooster, it allows you to use your current lenses on your new camera body and figure out if you really prefer the comforts and features of those more expensive adapters. The Metabones and Aputure products have focal reducers which also adds to their price. These focal reducers minimizes the crop factor of the lens onto the smaller sensor and give an extra stop of light. This is much needed in lower light situations and wanting a more shallow depth of field. This Fotasy adapter does not have that.

EXTRA FEATURE: Built-in Aperture Ring

Lets get back to that ring now. So what this ring does is allow you to open or close the aperture on the ring, mimicking the one in your lens. Because this adapter is $30USD, you can not expect it to also have electronic support between the lens and the camera body. Without this, the lens will need to be opened to the widest aperture on its native camera body before attaching it to the one with an adapter. Unless you have a fully manual lens, you will need to adjust the aperture on its native camera. There are plenty of adapters out there for less and in the end, I recommend getting one with out the built in aperture ring feature. The reason being is that, the aperture ring essentially gives you a vignetting on the picture, makes focusing harder and well, its pretty useless.

TESTING:

For trying out this adapter, I used the Sigma 18-35mm f1.8 APS-C and Sigma 70-200mm f2.8 Full-Frame lenses on a Panasonic GH4 DSLR.

PROS:

  • For the money, you can not beat it when compared to more expensive ones that have a focal reducer or electronics support. Though, I would recommend getting a lesser price one that is strictly an adapter with no extra features.
  • The build is great and study for the majority of your use and a nice and secure locking mechanism for mounting the lens. There is some slack that might make you think its not on tight.
  • Mounting and un-mounting lenses is easy with the simple tab that you pull towards the camera.
  • Works with EF and EF-S mount lenses.
  • Works perfectly with fully manual lenses.

CONS:

  • Built-in Aperture ring is quite useless as it does not properly allow you to change the depth of field. What it does essentially is create a vignetting of the image, making things dark and blurry. In turn, it is a useless feature.
  • The mounting of the lens onto the frame has about 1mm of slack, making it seem loose on the adapter.
  • Does not include a tripod mount screw at the bottom of the adapter.
  • When your lens aperture is open all the way, your image may be completely over exposed. So you will need an ND filter for your lens if shooting outside. These reduce the light coming onto the sensor but does not increase depth of field.
  • No electronic support for lens with Auto-focus or support for electronics. This means, you can not communicate with the camera, so no changing the aperture and no auto-focus.
  • Hard to keep focus when using a longer telephoto zoom lens such as my Sigma 70-200mm f2.8. I found it hard to get a good focus when zoomed to all the way to 200mm. Otherwise it was good focus from 70 up to 150mm.

TEST VIDEO:

Here is a video I shot using the adapter on my Panasonic GH4. The Sigma 18-35mm lens was used the whole time and was shot in 4K in 30fps.

The image was scaled down to 1080p for the option of allowing me to frame the shot how I pleased with the bigger resolution as well as test its low light. You can see in some shots how there is noise in darker areas, but it was a success with the setup.

RESULTS:

Overall, its a great quality adapter, but to save money I would suggest a non built in aperture ring version would be much better and reduces the distance between sensor and lens glass than this one. For those that are looking for a simple adapter for Canon EF lenses to a MFT body, these cheap adapters are a great solution if you do not mind the crop factor and no electronic support for your lens. But if you do, I suggest saving for a Metabones or Aputure product. You would then get the focal reducer, extra stop of light and electronic support.

QUESTIONS?

Feel free to email me using my contact information for any questions on this product.

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