OM System M.Zuiko Digital ED 12mm f/2.0 vs Panasonic LEICA DG SUMMILUX 15mm f/1.7

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 15mm f/1.7 is 15mm — 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 15mm f/1.7 for wide-angle.

Choose the Panasonic LEICA DG SUMMILUX 15mm f/1.7 if…

  • You want more light and background blur — f/1.7 is faster than f/2, better for low light and subject separation.

Where they differ

  • Aperture: the Panasonic LEICA DG SUMMILUX 15mm f/1.7 opens to f/1.7 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 15mm f/1.7 is 15mm — different framing and reach.

Frequently asked

Is the OM System M.Zuiko Digital ED 12mm f/2.0 or the Panasonic LEICA DG SUMMILUX 15mm f/1.7 better?

These cover different focal lengths — the OM System M.Zuiko Digital ED 12mm f/2.0 is 12mm, the Panasonic LEICA DG SUMMILUX 15mm f/1.7 is 15mm — 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 15mm f/1.7 for wide-angle.

Who should choose the Panasonic LEICA DG SUMMILUX 15mm f/1.7?

Choose the Panasonic LEICA DG SUMMILUX 15mm f/1.7 if you want more light and background blur — f/1.7 is faster than f/2, better for low light and subject separation.

What is the main difference between the OM System M.Zuiko Digital ED 12mm f/2.0 and the Panasonic LEICA DG SUMMILUX 15mm f/1.7?

Aperture: the Panasonic LEICA DG SUMMILUX 15mm f/1.7 opens to f/1.7 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 Length12mm15mm
Lens TypePrimePrime
Optical Elements89
Optical Groups77
Aperture & Iris
Maximum Aperturef/2f/1.7
Minimum Aperturef/16f/16
Aperture Blades77
Rounded ApertureNoYes
Coverage & Angle
Format CoverageMicro Four ThirdsMicro Four Thirds
Lens MountMicro Four ThirdsMicro Four Thirds
Angle of View84°72°
35mm Equivalent24-24mm30-30mm
Focus
AutofocusYesYes
Focus MotorSteppingStepping
Focus LimiterNoNo
AF/MF SwitchNoNo
Min Focus Distance20 cm20 cm
Max Magnification0.1x0.1x
Stabilization & Video
Optical StabilizationNoNo
Aperture RingNoNo
Declickable ApertureNoNo
ParfocalNoNo
Internal ZoomNoNo
General
Price (MSRP)$499$499
Filter Size46mm46mm
Diameter56mm57.5mm
Length43.5mm36mm
Weight130g (4.6 oz)115g (4.1 oz)
Weather SealedNoNo
Tripod CollarNoNo