Panasonic Lumix Leica 15mm f/1.7 DG Summilux ASPH. Lens for MFT (Micro Four Thirds), Black {46} without Decoration Ring

Model #379844
  • $425.00

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Leica-branded 30mm-equivalent prime with f/1.7 aperture ring for MFT

At 115g and 36mm long, this lens disappears into any bag. The 15mm focal length gives you a 30mm equivalent field of view on Micro Four Thirds, close enough to the human eye that street and documentary shooters rarely have to think about framing adjustments. The f/1.7 maximum aperture handles low light without pushing ISO into the rough end of your sensor's range, and the physical aperture ring means you can dial exposure changes without touching a menu or spinning a control dial.

The optical formula runs 9 elements across 7 groups, including 3 aspherical elements that keep distortion controlled at wide angles where it tends to accumulate. Minimum focus sits at 20cm, which isn't a macro setup but handles tight product or detail shots without swapping glass. The stepper motor AF runs quietly enough for video work where a noisy focus pull ruins a take, and when paired with LUMIX G bodies, it ties into Panasonic's contrast AF system for fast, reliable locks.

A lens this compact, this fast, and with genuine Leica DG optical engineering behind it holds its ground in any kit where size and image quality have to coexist.

Who It's For

Street photographers get a 30mm-equivalent field of view with f/1.7 light-gathering in a package that fits a coat pocket. Travel shooters who refuse to carry two bodies appreciate the 115g weight and 46mm filter thread keeping the overall kit minimal. Video-focused MFT users benefit from the stepper motor's silent focus pulls during recording. Photographers shooting in dim interiors, cafes, galleries, events without flash, will rely on that f/1.7 aperture more than almost any other spec on the sheet.

Key Features

  • 15mm f/1.7 prime lens with 30mm-equivalent 35mm field of view
  • Micro Four Thirds mount compatible with Panasonic LUMIX G and Olympus
  • Stepper motor autofocus with silent operation for video work
  • Physical aperture ring for direct exposure control
  • 9 elements in 7 groups with 3 aspherical elements
  • 20cm minimum focus distance for detail and product shots
  • 115g weight and 36mm length for compact system integration
  • 46mm filter thread

FAQ

What's the actual field of view on my Panasonic GH5 or Olympus OM-D?
15mm on MFT gives you a 30mm equivalent in full-frame terms. Close enough to standard that framing feels intuitive without constant recalculation.
Can I use this for video work?
Yes. The stepper motor AF runs silently, which matters when you're recording sound. It integrates with LUMIX G contrast AF for smooth, quiet focus pulls.
How close can I focus?
20cm minimum focus distance. Not macro-level, but tight enough for product shots and environmental details without swapping lenses.
Does the aperture ring have click stops?
Yes. Physical aperture ring with tactile stops means you dial exposure changes directly without menu diving or control dial spinning.
What's the size and weight trade-off here?
115g and 36mm long. It disappears in any bag and barely adds to system weight, which is the whole point of running MFT.
How does this handle distortion at the wide end?
Three aspherical elements control distortion without adding bulk or weight. At 30mm equivalent, you're in the sweet spot where architectural lines stay reasonably straight.
Is this a Leica lens or a Panasonic lens?
Panasonic-made under the Leica DG optical brand. The optics carry Leica's optical formula; Panasonic handles the manufacturing and AF integration.
SpecificationValue
Focal Length15mm
Max Aperturef/1.7
Min Aperturef/16
MountMicro Four Thirds
AF SystemYes
Focal Length Equiv 35mm30mm
Aperture RingYes
Lens TypePrime
Elements9
Groups7
Special Elements Coatings3 aspherical elements
Minimum Focus Distance20 cm
Maximum Magnification0.1x
Filter Thread46 mm
Motor TypeStepper motor
Weight115 g
Diameter58 mm
Length36 mm
ColorBlack
Includes Decoration RingNo

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 Panasonic
Filter Size 46mm
Focus Type Autofocus (lens motor)
Lens Mount Micro Four Thirds
Lens Type Wide-Angle
Max Focal Length 15mm
Min Focal Length 15mm

Learn what to expect from each condition, cosmetically. Images are representative of each grade and may not show the exact item you receive. All equipment is guaranteed to work as intended, unless otherwise noted. We also occasionally offer items that fall .

Exceptions


New
New in box complete with manufacturer's USA warranty. Not previously owned or used.
Like New
Essentially new with no signs of use. “Open box.” In manufacturer's packaging with original accessories and instructions. 180-day warranty.
As Is
Non-functional or damaged. Equipment will not work. Usable for parts. Not covered under KEH warranty and non-returnable.

Like New Minus

Like New Minus
Like New Minus

Like New Minus

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.

Excellent Plus

Excellent Plus
Excellent Plus

Excellent Plus

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.

Excellent

Excellent
Excellent

Excellent

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.

Bargain

Bargain
Bargain

Bargain

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.

Ugly

Ugly
Ugly

Ugly

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.

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