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Sigma 28-105mm T3 FF AF Cine Zoom vs Sony FE 28-70mm f/2 GM

Lens

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Optics
Focal Length
28-105mm
28-70mm
Zoom Ratio
2.9x
2.5x
Max Aperture
f/2.8
f/2
Min Aperture
f/21
f/22
Elements / Groups
18 / 13
20 / 14
Special Elements
XA, ED, Aspherical
3 XA (Extreme Aspherical) elements, 3 Super ED elements, 1 ED element, 3 aspherical elements
Diaphragm Blades
13
11
Max Magnification
0.32x
0.23x
Coatings
-
Nano AR Coating II, fluorine front element coating
Focus
Min Focus Dist.
40cm
38cm
Autofocus
AF Motor Type
HLA
4 XD Linear Motors
Focus Method
internal
internal
Full-time Manual
Distance Scale
Focus Limiter
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Physical
Lens Mount
Sony E
Sony E
Weight
1500 g
918 g
Dimensions (D x L)
95 x 157.9 mm
93 x 140 mm
Filter Thread
82 mm
86 mm
Weather Sealing
Hood Supplied
Tripod Collar
Features
Image Stabilization
Zoom Method
Internal
Rotary extending
Power Zoom
Zoom Lock
Aperture Ring
Breathing Correction
Parfocal
Custom Buttons
1
2
Color
Black
Black
General
Launch Price
USD 3339
USD 2899
Announce Date
Feb 25, 2026
Nov 19, 2024
Sensor Format
Full Frame
Full Frame