Panasonic LUMIX S 18-40mm F4.5-6.3 vs Sigma 17-40mm F1.8 DC | Art Lens

Optics
Focal Length
18-40mm
17-40mm
Zoom Ratio
2.22x
2.4x
Max Aperture
f/4.5
f/1.8
Min Aperture
f/32
f/16
Elements / Groups
8 / 7
17 / 11
Coatings
S-Clean fluorine lens coating
Super Multi-Layer coating + water/oil-repellent front coating
Diaphragm Blades
7
11
Max Magnification
0.28x
0.21x
Special Elements
-
4 FLD, 4 SLD, 2 aspherical
Focus
Min Focus Dist.
15cm
28cm
Autofocus
AF Motor Type
STM
HLA motor
Focus Method
STM
internal
Full-time Manual
Distance Scale
Focus Limiter
Physical
Lens Mount
Leica L
Leica L
Weight
155 g
535 g
Dimensions (D x L)
68 x 41 mm
73 x 116 mm
Filter Thread
62 mm
67 mm
Weather Sealing
Hood Supplied
Tripod Collar
Features
Image Stabilization
Zoom Method
Rotary internal
Internal
Power Zoom
Zoom Lock
Aperture Ring
Breathing Correction
Parfocal
Custom Buttons
0
2
Color
Black
Black
General
Launch Price
USD 431
USD 919
Announce Date
Oct 25, 2024
Jun 17, 2025
Sensor Format
Full Frame
APS-C