Panasonic LUMIX S 18mm f/1.8 vs Panasonic LUMIX S 50mm F1.8

The bottom line

These cover different focal lengths — the Panasonic LUMIX S 18mm f/1.8 is 18mm, the Panasonic LUMIX S 50mm F1.8 is 50mm — so they're not really substitutes. Pick by the field of view you actually need: the Panasonic LUMIX S 18mm f/1.8 for wide-angle, the Panasonic LUMIX S 50mm F1.8 for short-telephoto / portrait.

Choose the Panasonic LUMIX S 18mm f/1.8 if…

  • You shoot wide — it starts at 18mm vs 50mm for landscapes, interiors and architecture.
  • You value portability — at 220g (7.8 oz) it's lighter than the 300g (10.6 oz) alternative for travel and all-day carry.
  • You like close-focus work — 0.2x magnification vs 0.14x.

Choose the Panasonic LUMIX S 50mm F1.8 if…

  • You need more reach — it goes to 50mm vs 18mm for distant subjects, wildlife and sport.
  • You work outdoors — it's weather-sealed against dust and moisture; the other isn't.

Where they differ

  • Focal range: Panasonic LUMIX S 18mm f/1.8 is 18mm, Panasonic LUMIX S 50mm F1.8 is 50mm — different framing and reach.
  • Price: the Panasonic LUMIX S 50mm F1.8 is $399, $100 under the Panasonic LUMIX S 18mm f/1.8.
  • Weight: the Panasonic LUMIX S 18mm f/1.8 is 220g (7.8 oz) vs 300g (10.6 oz) — you'll feel the difference handheld.
  • Durability: the Panasonic LUMIX S 50mm F1.8 is weather-sealed; the other isn't.

Frequently asked

Is the Panasonic LUMIX S 18mm f/1.8 or the Panasonic LUMIX S 50mm F1.8 better?

These cover different focal lengths — the Panasonic LUMIX S 18mm f/1.8 is 18mm, the Panasonic LUMIX S 50mm F1.8 is 50mm — so they're not really substitutes. Pick by the field of view you actually need: the Panasonic LUMIX S 18mm f/1.8 for wide-angle, the Panasonic LUMIX S 50mm F1.8 for short-telephoto / portrait.

Who should choose the Panasonic LUMIX S 18mm f/1.8?

Choose the Panasonic LUMIX S 18mm f/1.8 if you shoot wide — it starts at 18mm vs 50mm for landscapes, interiors and architecture. Choose it if you value portability — at 220g (7.8 oz) it's lighter than the 300g (10.6 oz) alternative for travel and all-day carry. Choose it if you like close-focus work — 0.2x magnification vs 0.14x.

Who should choose the Panasonic LUMIX S 50mm F1.8?

Choose the Panasonic LUMIX S 50mm F1.8 if you need more reach — it goes to 50mm vs 18mm for distant subjects, wildlife and sport. Choose it if you work outdoors — it's weather-sealed against dust and moisture; the other isn't.

What is the main difference between the Panasonic LUMIX S 18mm f/1.8 and the Panasonic LUMIX S 50mm F1.8?

Focal range: Panasonic LUMIX S 18mm f/1.8 is 18mm, Panasonic LUMIX S 50mm F1.8 is 50mm — different framing and reach.

Product
Panasonic LUMIX S 18mm f/1.8
Panasonic
$499
Panasonic LUMIX S 50mm F1.8
Panasonic
$399
Optical Design
Focal Length18mm50mm
Lens TypePrimePrime
Optical Elements139
Optical Groups128
Aperture & Iris
Maximum Aperturef/1.8f/1.8
Minimum Aperturef/16f/16
Aperture Blades99
Rounded ApertureYesYes
Coverage & Angle
Format CoverageFull-FrameFull-Frame
Lens MountL-MountL-Mount
Angle of View100°47°
35mm Equivalent
Focus
AutofocusYesYes
Focus MotorSteppingStepping
Focus LimiterNoNo
AF/MF SwitchYesYes
Min Focus Distance18 cm45 cm
Max Magnification0.2x0.14x
Stabilization & Video
Optical StabilizationNoNo
Aperture RingNoNo
Declickable ApertureNoNo
ParfocalNoNo
Internal ZoomNoNo
General
Price (MSRP)$499$399
Filter Size67mm67mm
Diameter73mm73mm
Length69mm82mm
Weight220g (7.8 oz)300g (10.6 oz)
Weather SealedNoYes
Tripod CollarNoNo