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LEICA DG VARIO-ELMAR 100-400mm / F4.0-6.3 ASPH. / POWER O.I.S. (H-RS100400) Micro Four Thirds Lens

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LEICA DG VARIO-ELMAR 100-400mm / F4.0-6.3 ASPH. / POWER O.I.S.

Zooms up to 800mm (35mm camera equivalent) yet compact – an ultra-zoom lens with LEICA quality.
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LEICA DG Lens – ultimate optics

Opt for a LEICA DG lens and get the ultimate in optical quality and performance. They naturally meet the strict quality standards set by Leica Camera AG. Thanks to the sophisticated design of these lenses, you will enjoy brilliant clarity all the way to the edges of your photos. At the same time, distortions of all kind are prevented to enable precise, sharp picture rendering. This means you have the ideal tool for pro-level images in the palm of your hand.
・Leica is a registered trademark of Leica Microsystems IR GmbH.
LEICA DG Lens – ultimate optics

No more limit

This 100-400mm (35mm camera equivalent: 200-800mm) LEICA DG lens pulls distant activities up so close they appear to be happening right in front of your eyes, in all their natural beauty. This advanced lens is filled with functions for nature photography, including a splash/dustproof design, agile mobility, a zoom lock ring, and intuitive operation with easily switchable framing in vertical and horizontal directions.
No more limit

Dust and splash-resistant design

LEICA DG VARIO-ELMAR 100-400mm / F4.0-6.3 ASPH. / POWER O.I.S. is designed to keep shooting in the toughest conditions thanks to its dust- and splash-resistant construction.
・Dust- and splash-resistant does not guarantee that damage will not occur if this lens is subjected to direct contact with dust and water.
Dust and splash-resistant design

O.I.S. for ultra-sharp photos

Capture what you see on the spur of the moment. Optical image stabilization (O.I.S.) technology built directly into the lens ensures your photos will look great, with sharp, blur-free contours across the entire image.
O.I.S. for ultra-sharp photos

Ideal for video recording

The lens offers fast, accurate autofocus and smooth aperture changes, critical for the modern content creator, allowing you to record beautiful 4K video and stills without disturbing your subject.
Ideal for video recording

H-RS100400 lens construction

The optimized configuration has 20 elements in 13 groups, including 1 ASPH/ED, 1 UED and 2 ED lenses to minimize aberrations and ensure superb resolution.
H-RS100400 lens construction

H-RS100400 MTF chart

They meet the strict optical standards set by Leica Camera AG and offer outstanding sharpness and resolution throughout the zoom range. Demonstrates uncompromising expressiveness.
・For lenses that are capable of compensating distortion, the horizontal axis shows the distance from the center of the corrected image.
H-RS100400 MTF chart

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Size and Weight


Approximately. Weight excluding lens cap, lens rear cap, lens hood and external tripod mount. Length from the tip of the lens to the base side of the lens mount.

  • Micro Four Thirds System StandardMicro Four Thirds System Standard
  • POWER O.I.S. (Optical Image Stabilizer)POWER O.I.S. (Optical Image Stabilizer)
  • Dust / Splash ResistantDust / Splash Resistant

Based on Leica Camera AG's strict quality standards

200-800mm ultra-telephoto zoom lens with a compact, lightweight design (35mm camera equivalent)

Dust and splash-resistant design

Standard Accessories

  • Lens cap, Lens rear cap, Lens storage bag, External tripod mount, Lens hood


  • Lens Construction

    • 20 elements in 13 groups (1 aspherical ED lens, 1 UED lens, 2 ED lenses)
  • Nano Surface Coating

    • -
  • Mount

    • Micro Four Thirds mount
  • Optical Image Stabilizer

    • Yes (POWER O.I.S.)
  • Focal Length

    • f=100-400mm (35mm camera equivalent 200-800mm)
  • Aperture Type

    • 9 diaphragm blades / Circular aperture diaphragm
  • Maximum Aperture

    • F4.0(Wide) - F6.3(Tele)
  • Minimum Aperture

    • F22
  • Closest Focusing Distance

    • FULL:1.3m/4.27ft, LIMIT:5.0m/16.4ft
  • Maximum magnification

    • Approx. 0.25x / 0.5x (35mm camera equivalent)


  • Diagonal Angle of View

    • 12°(Wide) to 3.1°(TELE)
  • Filter Size

    • φ72mm / 2.8in
  • Max. Diameter

    • φ83mm / 3.3in
  • Overall Length

    • Approx. 171.5mm / 6.75in (from the tip of the lens to the base side of the lens mount)
  • Weight

    • Approx. 985g / 34.74oz (excluding lens cap, lens rear cap, lens hood and external tripod mount)

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Lens Rear Cap

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