Panasonic LUMIX S 50mm F1.8 vs Sigma 50mm f/2 DG DN Contemporary (L-mount)

The bottom line

These two are closely matched. The differences below are where they diverge — weigh the ones that map to what you shoot, and let size, price and handling break the tie.

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

  • You work outdoors — it's weather-sealed against dust and moisture; the other isn't.

Choose the Sigma 50mm f/2 DG DN Contemporary (L-mount) if…

  • You like close-focus work — 0.22x magnification vs 0.14x.

Where they differ

  • Aperture: the Panasonic LUMIX S 50mm F1.8 opens to f/1.8 vs the Sigma 50mm f/2 DG DN Contemporary (L-mount)'s f/2 — more light and shallower depth-of-field.
  • Price: the Panasonic LUMIX S 50mm F1.8 is $399, $100 under the Sigma 50mm f/2 DG DN Contemporary (L-mount).
  • Durability: the Panasonic LUMIX S 50mm F1.8 is weather-sealed; the other isn't.

Frequently asked

Is the Panasonic LUMIX S 50mm F1.8 or the Sigma 50mm f/2 DG DN Contemporary (L-mount) better?

These two are closely matched. The differences below are where they diverge — weigh the ones that map to what you shoot, and let size, price and handling break the tie.

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

Choose the Panasonic LUMIX S 50mm F1.8 if you work outdoors — it's weather-sealed against dust and moisture; the other isn't.

Who should choose the Sigma 50mm f/2 DG DN Contemporary (L-mount)?

Choose the Sigma 50mm f/2 DG DN Contemporary (L-mount) if you like close-focus work — 0.22x magnification vs 0.14x.

What is the main difference between the Panasonic LUMIX S 50mm F1.8 and the Sigma 50mm f/2 DG DN Contemporary (L-mount)?

Aperture: the Panasonic LUMIX S 50mm F1.8 opens to f/1.8 vs the Sigma 50mm f/2 DG DN Contemporary (L-mount)'s f/2 — more light and shallower depth-of-field.

Product
Panasonic LUMIX S 50mm F1.8
Panasonic
$399
Optical Design
Focal Length50mm50mm
Lens TypePrimePrime
Optical Elements911
Optical Groups88
Aperture & Iris
Maximum Aperturef/1.8f/2
Minimum Aperturef/16f/16
Aperture Blades99
Rounded ApertureYesYes
Coverage & Angle
Format CoverageFull-FrameFull-Frame
Lens MountL-MountL-Mount
Angle of View47°47°
35mm Equivalent
Focus
AutofocusYesYes
Focus MotorSteppingHLA
Focus LimiterNoNo
AF/MF SwitchYesYes
Min Focus Distance45 cm25 cm
Max Magnification0.14x0.22x
Stabilization & Video
Optical StabilizationNoNo
Aperture RingNoYes
Declickable ApertureNoYes
ParfocalNoNo
Internal ZoomNoNo
General
Price (MSRP)$399$499
Filter Size67mm55mm
Diameter73mm64.4mm
Length82mm68mm
Weight300g (10.6 oz)290g (10.2 oz)
Weather SealedYesNo
Tripod CollarNoNo