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7Artisans AF 135mm f/1.8 MAX vs Sigma 17-40mm F1.8 DC | Art Lens

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Optics
Focal Length
135mm
17-40mm
Zoom Ratio
1x
2.4x
Max Aperture
f/1.8
f/1.8
Min Aperture
f/16
f/16
Elements / Groups
16 / 13
17 / 11
Special Elements
ED elements, High-refraction elements
4 FLD, 4 SLD, 2 aspherical
Diaphragm Blades
12
11
Coatings
-
Super Multi-Layer coating + water/oil-repellent front coating
Max Magnification
-
0.21x
Focus
Min Focus Dist.
68cm
28cm
Autofocus
AF Motor Type
STM
HLA motor
Focus Method
Internal
internal
Full-time Manual
Distance Scale
Focus Limiter
Physical
Lens Mount
Leica L
Leica L
Weight
1010 g
535 g
Dimensions (D x L)
91 x 136 mm
73 x 116 mm
Filter Thread
82 mm
67 mm
Weather Sealing
Hood Supplied
Tripod Collar
Features
Image Stabilization
Power Zoom
Zoom Lock
Aperture Ring
Breathing Correction
Parfocal
Custom Buttons
2
2
Color
Black
Black
Zoom Method
-
Internal
General
Launch Price
USD 689
USD 919
Announce Date
May 1, 2026
Jun 17, 2025
Sensor Format
Full Frame
APS-C