OM System M.Zuiko Digital ED 12mm f/2.0 vs Panasonic LEICA DG SUMMILUX 25mm f/1.4 ASPH.

The bottom line

These cover different focal lengths — the OM System M.Zuiko Digital ED 12mm f/2.0 is 12mm, the Panasonic LEICA DG SUMMILUX 25mm f/1.4 ASPH. is 25mm — so they're not really substitutes. Pick by the field of view you actually need: the OM System M.Zuiko Digital ED 12mm f/2.0 for wide-angle, the Panasonic LEICA DG SUMMILUX 25mm f/1.4 ASPH. for standard.

Choose the OM System M.Zuiko Digital ED 12mm f/2.0 if…

  • You shoot wide — it starts at 12mm vs 25mm for landscapes, interiors and architecture.
  • You value portability — at 130g (4.6 oz) it's lighter than the 200g (7.1 oz) alternative for travel and all-day carry.

Choose the Panasonic LEICA DG SUMMILUX 25mm f/1.4 ASPH. if…

  • You want more light and background blur — f/1.4 is faster than f/2, better for low light and subject separation.
  • You need more reach — it goes to 25mm vs 12mm for distant subjects, wildlife and sport.

Where they differ

  • Aperture: the Panasonic LEICA DG SUMMILUX 25mm f/1.4 ASPH. opens to f/1.4 vs the OM System M.Zuiko Digital ED 12mm f/2.0's f/2 — more light and shallower depth-of-field.
  • Focal range: OM System M.Zuiko Digital ED 12mm f/2.0 is 12mm, Panasonic LEICA DG SUMMILUX 25mm f/1.4 ASPH. is 25mm — different framing and reach.
  • Price: the OM System M.Zuiko Digital ED 12mm f/2.0 is $499, $100 under the Panasonic LEICA DG SUMMILUX 25mm f/1.4 ASPH..

Frequently asked

Is the OM System M.Zuiko Digital ED 12mm f/2.0 or the Panasonic LEICA DG SUMMILUX 25mm f/1.4 ASPH. better?

These cover different focal lengths — the OM System M.Zuiko Digital ED 12mm f/2.0 is 12mm, the Panasonic LEICA DG SUMMILUX 25mm f/1.4 ASPH. is 25mm — so they're not really substitutes. Pick by the field of view you actually need: the OM System M.Zuiko Digital ED 12mm f/2.0 for wide-angle, the Panasonic LEICA DG SUMMILUX 25mm f/1.4 ASPH. for standard.

Who should choose the OM System M.Zuiko Digital ED 12mm f/2.0?

Choose the OM System M.Zuiko Digital ED 12mm f/2.0 if you shoot wide — it starts at 12mm vs 25mm for landscapes, interiors and architecture. Choose it if you value portability — at 130g (4.6 oz) it's lighter than the 200g (7.1 oz) alternative for travel and all-day carry.

Who should choose the Panasonic LEICA DG SUMMILUX 25mm f/1.4 ASPH.?

Choose the Panasonic LEICA DG SUMMILUX 25mm f/1.4 ASPH. if you want more light and background blur — f/1.4 is faster than f/2, better for low light and subject separation. Choose it if you need more reach — it goes to 25mm vs 12mm for distant subjects, wildlife and sport.

What is the main difference between the OM System M.Zuiko Digital ED 12mm f/2.0 and the Panasonic LEICA DG SUMMILUX 25mm f/1.4 ASPH.?

Aperture: the Panasonic LEICA DG SUMMILUX 25mm f/1.4 ASPH. opens to f/1.4 vs the OM System M.Zuiko Digital ED 12mm f/2.0's f/2 — more light and shallower depth-of-field.

Product
Optical Design
Focal Length12mm25mm
Lens TypePrimePrime
Optical Elements89
Optical Groups77
Aperture & Iris
Maximum Aperturef/2f/1.4
Minimum Aperturef/16f/16
Aperture Blades79
Rounded ApertureNoYes
Coverage & Angle
Format CoverageMicro Four ThirdsMicro Four Thirds
Lens MountMicro Four ThirdsMicro Four Thirds
Angle of View84°47°
35mm Equivalent24-24mm50-50mm
Focus
AutofocusYesYes
Focus MotorSteppingStepping
Focus LimiterNoNo
AF/MF SwitchNoNo
Min Focus Distance20 cm30 cm
Max Magnification0.1x0.11x
Stabilization & Video
Optical StabilizationNoNo
Aperture RingNoNo
Declickable ApertureNoNo
ParfocalNoNo
Internal ZoomNoNo
General
Price (MSRP)$499$599
Filter Size46mm46mm
Diameter56mm60.4mm
Length43.5mm50mm
Weight130g (4.6 oz)200g (7.1 oz)
Weather SealedNoNo
Tripod CollarNoNo