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Olympus M.Zuiko 1.4X Teleconverter MC-14 for Select MFT (Micro Four Thirds) Lenses

Model #367960
  • $411.00

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New in box complete with manufacturer's USA warranty. Not previously owned or used.
Essentially new with no signs of use. “Open box.” In manufacturer's packaging with original accessories and instructions. 180-day warranty.
Barely used with virtually no traces of wear. Only the closest inspections will reveal slight use. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Lightly used with limited signs of wear. Exceptionally nice but may have slight wear on finish visible. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Noticeably used with average signs of wear. Shows moderate wear for the age of the item, with the possibility of blemishes and/or minimal dings. Lens glass may have average dust and zoom/focus ring tension may have slight looseness or tightness overall, but will not affect picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Frequently used with above-average wear. May have dents, dings, or finish loss. Lens glass may have small scratches, dust, and blemishes, and zoom/focus ring tension may have moderate looseness or tightness overall, but should not affect picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Heavily used with extensive visible wear. Equipment is rough, with multiple impressions in the finish, excessive finish loss and brassing. Glass will have marks, fungus and/or heavy/cloudy haze which could affect picture quality. Accessories usually not included, unless noted in listing. Not covered under KEH warranty.
Non-functional or damaged. Equipment will not work. Usable for parts. Not covered under KEH warranty and non-returnable.
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Olympus MC-14 teleconverter extends reach with 1.4x magnification for M.Zuiko Pro glass.

The MC-14 sits between your camera body and select M.Zuiko Pro lenses, adding 1.4x magnification while preserving full electronic communication through the mount. Autofocus, image stabilization, and EXIF data all pass through without interruption. That matters when you're shooting fast-moving subjects and can't afford to lose the automation your lens was built to deliver.

The optical design uses 6 elements, keeping the image path short and minimizing the quality penalties that plagued older teleconverter designs. The metal body is rated freeze, splash, and dustproof, matching the weather resistance of the Pro lenses it's designed to work with. Attaching a weather-sealed converter to a sealed lens and body actually means something in the field than leaving a vulnerable gap in the protection chain.

The effective focal length extension on a Micro Four Thirds body means already-long reach gets pushed further. A 300mm f/4 Pro lens, already equivalent to 600mm in full-frame terms, gains another 1.4x with this converter. For photographers who've invested in the M.Zuiko Pro system, this is a direct extension of that investment at a fraction of a new lens's cost.

Who It's For

Wildlife photographers working at distance will feel the reach gain immediately, especially when paired with a 300mm or 400mm Pro lens. Sports shooters covering field events benefit from retained autofocus continuity since the MC-14 passes all communication signals through intact. Birders and nature photographers who frequently work in wet or dusty conditions get a converter that won't compromise the sealed system they've already built. Travel photographers who carry M.Zuiko Pro glass as their primary telephoto can extend range without adding a second lens to the bag.

Key Features

  • 1.4x magnification extends focal length with minimal optical loss
  • 6-element optical design preserves image quality
  • Full autofocus and image stabilization pass through
  • Freeze, splash, and dustproof metal construction
  • Micro Four Thirds mount with electronic communication
  • Weather-sealed design matches Pro lens standards

FAQ

Which M.Zuiko lenses work with the MC-14?
The MC-14 is designed for select Pro lenses in the M.Zuiko lineup. Check your specific lens model against Olympus's compatibility list, as not all Pro glass supports teleconverter attachment.
Does autofocus work through the MC-14?
Yes. Full electronic communication passes through the mount, so autofocus, image stabilization, and EXIF data all function without interruption.
What's the effective magnification on a Micro Four Thirds body?
You get the 1.4x optical extension on top of the 2x crop factor inherent to the sensor format. A 300mm lens becomes 840mm equivalent (300 × 2 × 1.4).
Will the MC-14 degrade image quality?
The 6-element optical design minimizes quality loss compared to older teleconverter designs. Results depend on the lens paired with it, but Pro glass is engineered to handle this.
Is the MC-14 weather-sealed?
Yes. It's rated freeze, splash, and dustproof with a metal construction, matching the sealing on M.Zuiko Pro lenses and current OM System bodies.
Can I stack multiple MC-14s?
Stacking teleconverters introduces optical degradation and vignetting. Not recommended, and may not be physically compatible with your lens design.
SpecificationValue
MountMicro Four Thirds
Magnification Factor1.4x
Optical Elements6
Weather SealingFreeze, Splash, and Dustproof
ConstructionMetal
CompatibilitySelect Pro Micro Four Thirds System Lenses

This description was generated using AI based on KEH's internal product standards, product expertise, and knowing what customers care about most. While we strive for accuracy, details may vary by individual item.

Brand Name Olympus
Lens Mount Micro Four Thirds