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Olympus 12-40mm f/2.8 ED M.Zuiko PRO Autofocus Lens for MFT (Micro Four Thirds), Black {62}

Model #363183
  • $562.00

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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.
EX+ Excellent Plus
With Caps
$562.00
Only 3 left!
EX Excellent
With Case, Caps and Hood
$556.00
Only 1 left!
EX Excellent
With Caps and Hood
$540.00
EX Excellent
With Caps
$520.00
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The 12-40mm f/2.8 PRO: Micro Four Thirds' proven standard zoom workhorse.

The M.Zuiko Digital ED 12-40mm f/2.8 PRO covers a 24-80mm equivalent range at a constant f/2.8, the kind of reach that handles a morning portrait session and an afternoon street walk without a lens change. Fourteen elements across nine groups pull in Dual Aspherical, High Refractive, and ED glass to control chromatic aberration and distortion across the full zoom range. The all-metal body is sealed against splashes, dust, and freezing temperatures, so it holds up in weather that would sideline lesser lenses.

The manual focus clutch lets you snap from AF to precise manual control by sliding the focus ring, no menu diving, no mode switches. Minimum focus distance sits at 20 cm, close enough for tight detail work on small subjects. The MSC drive system keeps AF fast and quiet, which matters the moment you start rolling video. At 382 g, this lens stays light enough to shoot all day on a compact Micro Four Thirds body without fatigue becoming a factor.

For a constant-aperture standard zoom with professional sealing and optical pedigree, the 12-40mm f/2.8 PRO has earned its reputation in the system.

Who It's For

Travel photographers get a sealed, all-metal zoom that covers wide environmental shots through tighter street or market frames without carrying a bag full of primes. Documentary and event shooters rely on the constant f/2.8 aperture to maintain consistent exposure as they move through mixed lighting. Videographers benefit from the quiet MSC autofocus and manual focus clutch for pulling focus with precision on run-and-gun shoots. Close-up and food photographers can work at 20 cm minimum focus distance for detailed shots without switching to a dedicated macro lens.

Key Features

  • Fast f/2.8 constant aperture throughout 12-40mm zoom range
  • Micro Four Thirds mount with 24-80mm equivalent coverage
  • Manual focus clutch for instant AF-to-manual switching
  • Splash-proof, dust-proof, and freeze-proof all-metal construction
  • Dual Aspherical, High Refractive, and ED glass elements
  • MSC autofocus system for silent, fast AF during video
  • 382g weight with 20cm minimum focus distance
  • Seven-blade circular aperture for controlled background blur

FAQ

What's the equivalent focal length on a full-frame camera?
The 12-40mm covers a 24-80mm equivalent range, giving you a normal-to-short telephoto span on Micro Four Thirds bodies.
Can you manually focus without switching modes?
Yes - the manual focus clutch lets you slide the focus ring to shift from AF to manual focus instantly, no menu required.
How close can you focus?
Minimum focus distance is 20 cm (7.87 inches), close enough for macro-style detail shots on small subjects.
Is this lens weather-sealed?
The all-metal body is splash-proof, dust-proof, and freeze-proof, so it handles wet weather and cold conditions without issue.
How fast is the autofocus for video?
The MSC (Movie and Still Compatible) drive system keeps AF fast and quiet during video recording.
What's the weight and size?
It weighs 382 g (13.47 oz) and measures 3.31 inches long, making it light enough for all-day handheld work on compact Micro Four Thirds bodies.
What aperture blade design does it have?
A seven-blade circular aperture creates smooth, rounded bokeh in out-of-focus areas.
SpecificationValue
Focal Length12-40mm
Max Aperturef/2.8
Min Aperturef/22
MountMicro Four Thirds
Min Focus Distance7.87 in (20 cm)
Focal Length 35mm Equiv24-80mm
Aperture Rangef/2.8 - f/22
Filter Size62 mm
Lens FormatMicro Four Thirds
Angle Of View84-30 degrees
Optical Groups9
Optical Elements14
Length3.31 in
Maximum Diameter2.75 in
Weight13.47 oz (382 g)

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
Filter Size 62mm
Focus Type Autofocus (lens motor)
Lens Mount Micro Four Thirds
Lens Type Wide-Angle, Standard / Normal
Max Focal Length 40mm
Min Focal Length 12mm