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OM System M.Zuiko Digital ED 17mm f/1.2 PRO vs Sigma 15mm F1.4 DC | Contemporary

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Optics
Focal Length
17mm
15mm
Max Aperture
f/1.2
f/1.4
Min Aperture
f/16
f/16
Elements / Groups
15 / 11
13 / 11
Special Elements
1 Super ED, 3 ED, 1 ED-DSA, 1 EDA, 1 Super HR, 1 Aspherical
1 FLD, 3 SLD, 3 aspherical
Coatings
Z Coating Nano
Water- and oil-repellent coating
Diaphragm Blades
9
9
Max Magnification
0.15x
0.13x
Optical correction & RAW development
Focus
Min Focus Dist.
20cm
17.7cm
Autofocus
AF Motor Type
MSC Linear AF
STM
Focus Method
Internal
-
Full-time Manual
Distance Scale
Focus Limiter
Physical
Lens Mount
-
Sony E
Weight
390 g
240 g
Dimensions (D x L)
68 x 87 mm
69 x 62.8 mm
Filter Thread
62 mm
58 mm
Weather Sealing
Hood Supplied
Tripod Collar
Features
Image Stabilization
Power Zoom
Zoom Lock
Aperture Ring
Breathing Correction
Parfocal
Custom Buttons
1
0
Color
Black
Black
General
Launch Price
USD 1200
USD 580
Announce Date
Oct 25, 2017
Feb 24, 2026
Sensor Format
Micro 4/3
APS-C