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Sirui Aurora AF 85mm f/1.4 FF vs Sony FE 100-400mm f/4.5 GM

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Optics
Focal Length
85mm
100-400mm
Zoom Ratio
1x
4x
Max Aperture
f/1.4
f/4.5
Min Aperture
f/16
-
Elements / Groups
14 / 9
-
Special Elements
1 Aspherical element, 2 ED elements, 3 HRI elements
4 XD linear motors; 40.5mm drop-in rear filter holder; 21+ weather sealing points
Coatings
Super Multi-Layer Coating + Fluorine Coating
Nano AR coating; fluorine front-element coating
Diaphragm Blades
15
11
Max Magnification
-
0.25x
Focus
Autofocus
AF Motor Type
STM
XD linear motor
Focus Method
internal
-
Full-time Manual
Distance Scale
Focus Limiter
Min Focus Dist.
-
1.5m
Physical
Lens Mount
Sony E
Sony E
Weight
540 g
1840 g
Dimensions (D x L)
80 x 102 mm
120 x 328 mm
Filter Thread
67 mm
95 mm
Weather Sealing
Hood Supplied
Tripod Collar
Features
Image Stabilization
Power Zoom
Zoom Lock
Aperture Ring
Breathing Correction
Parfocal
Custom Buttons
1
4
Color
Black
Black
Zoom Method
-
Internal
General
Launch Price
USD 499
-
Announce Date
Sep 29, 2025
-
Sensor Format
Full Frame
Full Frame