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Panasonic S 18mm f1.8

Panasonic·CW ID: 1285332·MFR ID: S-S18

S 18mm f1.8

$1,099.99

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Brand Panasonic System Panasonic Lumix S

The Panasonic LUMIX S 18mm f/1.8 is an ultra-wide full-frame prime for L-mount cameras, covering a 100 degree diagonal angle of view at a bright f/1.8. Thirteen elements in twelve groups, including three aspherical, three ED, one UED, and one UHR element, work against chromatic aberration and hold detail out toward the corners. Panasonic points it at landscape, architecture, and astrophotography, and the 0.18m close focus lets you push in on a foreground subject.

It matches the rest of the LUMIX S f/1.8 primes on the numbers that affect handling: a 67mm filter thread and a 73.6mm by 82.0mm barrel, with the control rings in the same places. Move from the 35mm to this one on a gimbal and the rebalance is minimal. At 340g it sits toward the heavier end of that family and still carries easily. Focus is internal and driven by a linear motor, so nothing extends and the noise stays low, and the aperture moves in micro steps for video. If you are weighing this against the 14-28mm zoom, come talk it through with us at Camera West.

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  • 18mm ultra-wide full-frame prime for L-mount cameras
  • F1.8 maximum aperture, F16 minimum
  • 13 elements in 12 groups
  • 3 aspherical, 3 ED, 1 UED, and 1 UHR elements
  • 100 degree diagonal angle of view
  • Closest focusing distance of 0.18m (0.59ft)
  • 0.20x maximum magnification
  • 9-blade circular aperture diaphragm
  • Inner focus with linear motor for fast, quiet autofocus
  • Suppressed focus breathing and micro-step aperture control for video
  • 67mm filter thread, shared with the other LUMIX S f/1.8 primes
  • Dust and splash resistant, rated to -10 C (14 F)
  • Approx. 340g (0.75lb) without caps or hood

Scope of Delivery:

  • Panasonic LUMIX S 18mm f/1.8 lens (S-S18)
  • Front lens cap
  • Rear lens cap
  • Lens hood

Limited Warranty:

Panasonic covers this lens with a limited one-year manufacturer warranty in the United States against defects in materials and workmanship. Keep your receipt as proof of purchase date. Camera West is an authorized Panasonic dealer, so your lens arrives with that coverage intact and we can help with any service question that comes up.

General

Mount: L-Mount

Format: Full-frame

Focal Length: 18mm

Diagonal Angle of View: 100 degrees

35mm Equivalent on APS-C: Approx. 27mm

Optical Image Stabilizer: No

Dust and Splash Resistant: Yes (does not guarantee against damage from direct contact with dust and water)

Recommended Operating Temperature: -10 C to 40 C (14 F to 104 F)

Optical Design

Lens Construction: 13 elements in 12 groups

Special Elements: 3 aspherical, 3 ED, 1 UED, 1 UHR

Focusing

Focus Type: Autofocus with inner focus and linear motor

Closest Focusing Distance: 0.18m / 0.59ft

Maximum Magnification: 0.20x

Aperture

Maximum Aperture: F1.8

Minimum Aperture: F16

Diaphragm: 9 blades, circular aperture

Dimensions

Filter Size: 67mm

Maximum Diameter: 73.6mm / 2.90in

Overall Length: Approx. 82.0mm / 3.23in

Weight: Approx. 340g / 0.75lb (excluding caps and hood)

Learn More

Ultra-Wide Without the Bulk

A 100 degree diagonal angle of view puts a lot in the frame, which is why 18mm gets used for interiors, tight architecture, and big landscape foregrounds. Panasonic also lists astrophotography among its intended uses, helped by the f/1.8 aperture. On an APS-C L-mount body it acts like a 27mm.

Thirteen Elements Doing Work

The optical formula runs 13 elements in 12 groups and carries three aspherical elements, three ED elements, one UED element, and one UHR element. That mix is aimed at chromatic aberration, which is the aberration that shows up hardest at the edges of a very wide frame. The 0.18m closest focus lets you get in on a foreground subject and still keep the background in the shot.

Part of the f/1.8 Set

Filter thread and barrel dimensions match the other LUMIX S f/1.8 primes at 67mm and 73.6mm by 82.0mm, with the control rings in the same spots. Weight and center of gravity are close enough that a gimbal setup needs little rebalancing when you change lenses. Focus is internal and driven by a linear motor, and the aperture steps in micro increments for smooth exposure changes on video.

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