LUMIX S 18-40mm F4.5-6.3 (S-R1840) L-Mount Lens

S-R1840

LUMIX S 18-40mm F4.5-6.3

The world’s smallest and lightest zoom lens*, offering a focal length from 18mm for wide-angle shots to 40mm for portraits with a natural perspective.
*As of October 8, 2024. Among AF compatible interchangeable zoom lenses for full-frame mirrorless cameras.
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Features

Flexible and light, the ideal lens for your daily moments

Compact zoom lens for easy everyday use. It offers a range of focal lengths, from 18mm for wide-angle shots to 40mm, for taking portraits with a natural perspective, giving you the flexibility to enjoy taking a variety of snapshots.
Flexible and light, the ideal lens for your daily moments

The world's smallest and lightest zoom lens*

Always by your side, wherever you go. By adopting a retractable zoom system, the overall length and weight of the lens have been reduced to less than half that of the conventional zoom lens for the LUMIX S Series. Even when combined with the LUMIX S9, it is still super lightweight, at a mere 641g.
*As of October 8, 2024. Among AF compatible interchangeable zoom lenses for full-frame mirrorless cameras.
The world's smallest and lightest zoom lens*

S-R1840 lens construction

The optimized configuration has 8 elements in 7 groups, including 3 ASPH, 2 ED and 1 UHR lenses to minimize aberrations and ensure superb resolution.
S-R1840 lens construction

S-R1840 MTF chart

Offering outstanding sharpness and resolution throughout the entire zoom range, this is an ideal lens for the LUMIX full-frame system, and provides creative opportunities without compromise.
・For lenses that are capable of compensating distortion, the horizontal axis shows the distance from the center of the corrected image.
S-R1840 MTF chart

Other Features

This lens is designed to keep shooting in the toughest conditions thanks to its dust- and splash-resistant construction and allowing you to shoot in temperatures as low as -10°C. The fluorine coating applied to the front lens prevents the sticking of oil-based dirt.
・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, splash and freeze-resistant design

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

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Specs

Photo of LUMIX S 18-40mm F4.5-6.3 (S-R1840) L-Mount Lens

Size and Weight

Height
67.9mm
Width
67.9mm
Depth
40.9mm
Weight
155g

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

Unique focal length from wide-angle 18mm to standard 40mm

Overall length of 40.9mm and weight of 155g (approximately)

Dust, splash and freeze-resistant design and fluorine coating

Lens Construction

  • 8 elements in 7 groups (3 aspherical lenses, 2 ED lenses, 1 UHR lens) (excluding 1 protection element)

Mount

  • L-Mount

Optical Image Stabilizer

  • -

Focal Length

  • f=18-40mm

Aperture Type

  • 7 diaphragm blades / Circular aperture diaphragm

Maximum Aperture

  • F4.5 (Wide) - F6.3 (Tele)

Minimum Aperture

  • F22 (Wide) - F32 (Tele)

Closest Focusing Distance

  • 0.15m/0.49ft (at focal length 18-21mm) / 0.35m/1.15ft (at focal length 40mm)

Maximum Magnification

  • 0.28x (at focal length 21mm)

Diagonal Angle of View

  • 100°(Wide) - 57°(Tele)

Dust and Splash Resistant

  • Yes*
    *Dust and Splash Resistant does not guarantee that damage will not occur if this lens is subjected to direct contact with dust and water.

Recommended Operating Temperature

  • -10℃ to 40℃ (14℉ to 104℉)

Filter Size

  • φ62mm

Max. Diameter

  • φ67.9mm / 2.67inch

Overall Length

  • Approx. 40.9mm / 1.61inch (from the tip of the lens to the base side of the lens mount)

Weight

  • Approx. 155g / 0.34lb (excluding lens cap and lens rear cap)

Standard Accessories

  • Lens cap, Lens rear cap

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