Used Metabones EF to M43 Ultra .71X Adapter - Good

Metabones
Product # UIGMBL71XEFM43MFR #UIGMBL71XEFM43
MetabonesProduct # UIGMBL71XEFM43MFR #UIGMBL71XEFM43
0.0(0) reviews
Used Metabones EF to M43 Ultra .71X Adapter - Good
$269.95
Out of Stock
30-day returns
See policy
Pay over time
PayPal at checkout
Ask an expert
1-800-631-0300
Trade in gear
Credit toward this

Key Features

  • Used Metabones EF to Micro Four Thirds Ultra 0.71x adapter for mounting Canon EF-mount lenses on Micro Four Thirds camera bodies.
  • Ultra 0.71x optical design helps deliver a wider effective field of view while concentrating light for roughly a 1-stop brightness gain.
  • Electronic communication supports lens data transfer and, with compatible lenses and bodies, aperture control and other lens-driven functions.
  • Solid metal construction is designed for a secure fit between lens and camera, making it a popular choice for video and hybrid shooters.
  • Good condition item rated 80-90% of original cosmetic condition with normal signs of use while remaining in proper working order.
$269.95
Out of Stock
30-day returns
See policy
Pay over time
PayPal at checkout
Ask an expert
1-800-631-0300
Trade in gear
Credit toward this
Have any questions?1-800-631-0300

OVERVIEW

The Used Metabones EF to M43 Ultra 0.71x Adapter is a high-performance lens mount adapter designed to pair Canon EF-mount lenses with Micro Four Thirds camera bodies from Panasonic, Olympus, and other M43-system manufacturers. Unlike a simple mechanical adapter, the Ultra series incorporates optical elements that reduce the image circle, effectively widening the field of view and increasing the amount of light reaching the sensor by approximately one stop. For photographers and filmmakers looking to retain more of a full-frame lens look on a smaller Micro Four Thirds sensor, this adapter is one of the best-known solutions in its class.

Compatible With

  • Micro Four Thirds cameras from Panasonic Lumix and Olympus/OM-D series
  • Blackmagic Cinema Camera models with Micro Four Thirds mount
  • Canon EF-mount lenses

What the 0.71x Ultra Design Does

The defining feature of this adapter is its 0.71x focal reduction optics. When you mount a Canon EF lens to a Micro Four Thirds camera, the crop factor of the sensor normally makes lenses appear tighter in angle of view. The Ultra adapter helps restore a wider perspective that is closer to the lens's intended look. At the same time, by concentrating the lens's image circle onto the smaller sensor, it increases effective light transmission by about one stop. This can be especially useful in low-light shooting, documentary production, event work, and cinematic video capture where both wider framing and improved brightness are valuable.

Electronic Lens Communication

Metabones adapters are known for going beyond basic physical mount conversion. This EF to M43 Ultra adapter is designed to provide electronic communication between compatible Canon EF lenses and Micro Four Thirds camera bodies. Depending on the lens and camera combination, users may benefit from electronic aperture adjustment, transfer of EXIF metadata, and support for certain lens-based functions. Real-world performance can vary by body, lens generation, and firmware version, but electronic integration is one of the major reasons these adapters remain sought after among hybrid shooters.

Built for Serious Use

The adapter features a robust metal construction intended for reliable daily use. Metabones products have earned a strong reputation among professionals for precise tolerances, secure mounting, and durability in the field. For users working with heavier Canon EF zooms, cinema lenses, or stabilized lenses, a well-made adapter is essential to maintain confidence in the lens-to-body connection. This model is designed to be far more than a budget mount converter; it is a core workflow tool for many advanced users.

Why Creators Choose EF to Micro Four Thirds Adapters

One of the great advantages of the Canon EF ecosystem is the enormous range of available lenses, from Canon originals to third-party optics from Sigma, Tamron, Tokina, Zeiss, and others. By using an EF to M43 Ultra adapter, Micro Four Thirds shooters gain access to a broad lens catalog that includes fast primes, professional zooms, specialty macro lenses, tilt-shift optics, and cinema-focused glass. This makes the adapter appealing not just for photographers, but especially for videographers who want to build a flexible lens kit around established EF lenses while using compact M43 cameras.

Ideal Use Cases

This adapter is particularly useful for narrative filmmaking, interviews, event coverage, documentary work, commercial production, and creative still photography where lens adaptability matters. A shooter using a Panasonic GH-series camera, Blackmagic MFT body, or Olympus mirrorless system can pair this adapter with fast EF lenses to achieve more cinematic framing, shallower depth of field characteristics compared with a standard adapter, and stronger low-light performance. It is also an excellent option for users transitioning between systems who already own Canon EF glass and want to continue putting that investment to work.

Compared with a Standard Adapter

A standard non-optical EF-to-M43 adapter simply allows the lens to mount physically, but it does not alter the crop factor or improve light transmission. The Metabones Ultra 0.71x design goes further by adding carefully engineered optics to deliver a more useful rendering on the smaller sensor format. Compared with a basic adapter, users often choose the Ultra when they want a more full-frame-like field of view and stronger light-gathering capability. This is one of the key reasons Metabones became such a respected name in cross-system lens adaptation.

Condition

This used item is rated in Good condition, meaning it shows a small amount of cosmetic wear and blemishes from regular use and is considered to be 80-90% of its original condition. The adapter may show minor exterior marks consistent with normal handling, but it remains in proper working order. Used items are warrantied by us under the terms of the manufacturer's original warranty for 180 days from the date of purchase.

Helpful Usage Tips

  • Check camera-body and lens firmware compatibility before critical shoots.
  • Support heavier lenses with a lens support or tripod collar when possible to reduce stress on the camera mount.
  • Clean electronic contacts periodically for reliable communication.
  • Test autofocus, aperture control, and stabilization behavior with your exact lens and body combination prior to production use.
  • Use high-quality Canon EF lenses to get the most out of the optical reducer design.

Recommended Accessories

  • Canon EF prime or zoom lenses
  • Micro Four Thirds camera body from Panasonic, Olympus, or Blackmagic
  • Protective rear and front caps for lenses and adapter storage
  • Tripod or monopod with lens support for heavier setups
  • Camera cage or rig for video shooting
  • Sensor cleaning and lens cleaning tools for maintenance

Brand Background

Metabones became one of the most recognized names in lens adaptation during the mirrorless camera boom, especially as filmmakers and enthusiasts searched for ways to use DSLR and cinema lenses on compact interchangeable-lens bodies. The company's Speed Booster and Ultra series adapters helped popularize focal reducers by offering not only mount conversion but also optical benefits that changed the creative possibilities of smaller-sensor cameras. Their products remain widely referenced by photographers and filmmakers who value precision engineering and access to established lens ecosystems.