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Olympus M.Zuiko Digital ED 25mm F1.2 Pro vs Panasonic Lumix G 25mm F1.7 ASPH

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Olympus 25mm F1.2 Pro

Standard Prime | Micro Four Thirds

Olympus M.Zuiko Digital ED 25mm F1.2 Pro
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Panasonic Lumix G 25mm F1.7 ASPH

Standard Prime | Micro Four Thirds

Panasonic Lumix G 25mm F1.7 ASPH
CHECK PRICE
BUY from B&H PHOTO

Olympus 25mm F1.2 Pro vs Panasonic Lumix G 25mm F1.7 ASPH Comparison Overview

In this review, we will be comparing the Olympus 25mm F1.2 Pro for the MFT and the Panasonic Lumix G 25mm F1.7 ASPH for the MFT, two Standard Prime lenses from Olympus and Panasonic. Both lenses have the same focal range of 25mm but different max apertures: Olympus 25mm F1.2 Pro has a max aperture of F1.2 while the Panasonic Lumix G 25mm F1.7 ASPH has a max aperture of F1.7.

We will start by looking briefly at the main specs of these two lenses, and in the next section, we will start analyzing them in more detail and listing the pros and cons of each lens.

Olympus 25mm F1.2 Pro Key Specs

  • 25mm Focal Range
  • F1.2 Max Aperture
  • Weather-sealed
  • Filter Thread: 62mm
  • Max Format: FourThirds
  • Micro Four Thirds Mount
  • Weight: 410g.
  • Diameter: 70mm
  • Length: 87mm
  • Min Focus Distance: 0.19m
  • Max Magnification: 0.11x

Panasonic Lumix G 25mm F1.7 ASPH Key Specs

  • 25mm Focal Range
  • F1.7 Max Aperture
  • Filter Thread: 46mm
  • Max Format: FourThirds
  • Micro Four Thirds Mount
  • Weight: 125g.
  • Diameter: 61mm
  • Length: 52mm
  • Min Focus Distance: 0.25m
  • Max Magnification: 0.14x

What type of photography are the Olympus 25mm F1.2 Pro and Panasonic Lumix G 25mm F1.7 ASPH lenses good for?

The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Olympus 25mm F1.2 Pro and the Panasonic Lumix G 25mm F1.7 ASPH for their suitability to various photography scenarios:

Photography Type Olympus 25mm F1.2 Pro Panasonic Lumix G 25mm F1.7 ASPH
Bird/WildlifeFairFair
SportsAverageAverage
PortraitExcellentExcellent
TravelGoodGood
StreetVery GoodVery Good
WeddingExcellentExcellent
Walk AroundGoodGood
VloggingGoodGood
LandscapeGoodGood
MacroPoorPoor


Size and Weight Comparison

The size of a lens is an important deciding factor when comparing two lenses. Olympus 25mm F1.2 Pro is the longer of the two lenses at 87mm. The Panasonic Lumix G 25mm F1.7 ASPH with a length of 52mm, is 35mm shorter. Besides being longer, the Olympus 25mm F1.2 Pro also has a larger diameter of 70mm compared to the Panasonic Lumix G 25mm F1.7 ASPH's 61mm diameter.

The weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Panasonic Lumix G 25mm F1.7 ASPH weighs 125g, 69% (285g) lighter than the Olympus 25mm F1.2 Pro's weight of 410g.


Below you can find the dimension and weight table of the Standard Prime Lenses in Micro Four Thirds Mount for size comparison purposes.

Standard Prime Lenses in Micro Four Thirds Mount for Size Comparison
Model Length Diameter Weight Street Price
Panasonic Leica Summilux DG 25mm F1.4 Lens Panasonic Leica 25mm F1.4
55mm
63mm 200g Amazon B&H Photo
Olympus M.Zuiko Digital 25mm F1.8 Lens Olympus M 25mm F1.8
41mm
56mm 136g Amazon B&H Photo
Sigma 56mm F1.4 DC DN C Lens Sigma 56mm F1.4 DC DN C
60mm
67mm 280g Amazon B&H Photo
Panasonic Lumix G 42.5mm F1.7 ASPH Power OIS Lens Panasonic 42.5mm F1.7 OIS
50mm
55mm 130g Amazon B&H Photo
OM System M.Zuiko Digital ED 20mm F1.4 Pro Lens OM ED 20mm F1.4 Pro
62mm
63mm 247g Amazon B&H Photo
7artisans 25mm F1.8 Lens 7artisans 25mm F1.8
32mm
51mm 143g Amazon B&H Photo
Lensbaby Velvet 56 Lens Lensbaby Velvet 56
86mm
72mm 400g Amazon B&H Photo
Voigtlander Nokton 42.5mm F0.95 Lens Voigtlander Nokton 42.5mm F0.95
75mm
64mm 571g Amazon B&H Photo

Lens Mounts

Both the Olympus 25mm F1.2 Pro and the Panasonic Lumix G 25mm F1.7 ASPH has the same Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with the Micro Four Thirds lenses are OM System OM-5, Panasonic GH6 and OM System OM-1.

Focal Range

Both lenses have the same focal range of 25mm but while Olympus 25mm F1.2 Pro has the fastest aperture of F1.2, the Panasonic Lumix G 25mm F1.7 ASPH's widest aperture value is F1.7.

Reasons to choose Olympus M.Zuiko Digital ED 25mm F1.2 Pro over Panasonic Lumix G 25mm F1.7 ASPH

Max Aperture - Wide 1.2 vs 1.7 Wider aperture at wide end
Max Aperture - Tele 1.2 vs 1.7 Wider aperture at tele end
Diaphragm Blades 9 vs 7 Potentially more rounded and smooth bokeh
Distance Scale Yes vs No Distance Scale to assist focusing
Depth-of-Field Scale Yes vs No Depth of Field scale to assist focusing
Weather Sealing Yes vs No safer to use under rain and dust
Minimum Focus Distance 0.19m vs 0.25m can focus closer to the subject

Reasons to choose Panasonic Lumix G 25mm F1.7 ASPH over Olympus M.Zuiko Digital ED 25mm F1.2 Pro

Weight 125g vs 410g 285g lighter
Diameter 61mm vs 70mm 9mm smaller in diameter
Length 52mm vs 87mm 35mm shorter
Filter Thread 46mm vs 62mm Smaller filters are cheaper and easier to find
Max Magnification 0.14x vs 0.11x higher magnification better for close-up shots

Common Strengths of Olympus M.Zuiko Digital ED 25mm F1.2 Pro and Panasonic Lumix G 25mm F1.7 ASPH
Internal Focusing Yes vs Yes Length of the lens doesn't change during focusing
Common Weaknesses of Olympus M.Zuiko Digital ED 25mm F1.2 Pro and Panasonic Lumix G 25mm F1.7 ASPH
Image Stabilization No vs No Reliant on in-body Image Stabilization




**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate, I earn from qualifying purchases.

Olympus 25mm F1.2 Pro vs Panasonic Lumix G 25mm F1.7 ASPH Specs Table

Detailed comparison of specifications
General
Brand Olympus Panasonic
Lens Type Prime Prime
Price CHECK PRICE CHECK PRICE
Lens Type Standard Prime Standard Prime
Lens Mount Micro Four Thirds Micro Four Thirds
Max Format FourThirds FourThirds
Focal Range 25mm 25mm
Image Stabilization No
Colour Black -
Zoom Method No Zoom No Zoom
Power Zoom No No
Zoom Lock No No
Zoom Ratio 1.0X 1.0X
Aperture
Max Aperture F1.2 F1.7
Min Aperture F16
Aperture Ring No No
Diaphragm Blades 9 7
Optics
Optical Elements 19 8
Optical Groups 14 7
Focusing
Min Focus Distance 0.19m 0.25m
Max Magnification 0.11X 0.14X
Autofocus Yes Yes
AF Motor Type Micromotor Stepper motor
Full Time Manual Yes N/A
Focus Method Internal Internal
Distance Scale Yes No
DoF Scale Yes No
Distance Scale Yes No
Focus Distance Limiter No No
Physical Specs
Weight 410g 125g
Diameter 70mm 61mm
Length 87mm 52mm
Weather Sealing Yes No
Filter Thread 62mm 46mm
Hood Supplied Yes Yes
Hood Code LH-66B -
Tripod Collar No No
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