Panasonic Lumix S 40mm F2 vs Sigma 17-40mm F1.8 DC | Art Lens

Optics
Focal Length
40mm
17-40mm
Max Aperture
f/2
f/1.8
Min Aperture
f/22
f/16
Elements / Groups
7 / 6
17 / 11
Special Elements
3 aspherical lenses
4 FLD, 4 SLD, 2 aspherical
Coatings
Fluorine coating
Super Multi-Layer coating + water/oil-repellent front coating
Diaphragm Blades
7
11
Max Magnification
0.17x
0.21x
Zoom Ratio
-
2.4x
Focus
Min Focus Dist.
30cm
28cm
Autofocus
AF Motor Type
Stepper motor
HLA motor
Focus Method
Internal focus
internal
Full-time Manual
Distance Scale
Focus Limiter
Physical
Lens Mount
Leica L
Leica L
Weight
144 g
535 g
Dimensions (D x L)
69.4 x 40.9 mm
73 x 116 mm
Filter Thread
62 mm
67 mm
Weather Sealing
Hood Supplied
Tripod Collar
Features
Image Stabilization
Power Zoom
Zoom Lock
Aperture Ring
Breathing Correction
Parfocal
Custom Buttons
1
2
Color
Black, silver
Black
Zoom Method
-
Internal
General
Launch Price
USD 399.99
USD 919
Announce Date
Apr 21, 2026
Jun 17, 2025
Sensor Format
Full Frame
APS-C