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Tamron 20-40mm f/2.8 Di III VXD vs Tamron 28-300mm f/4-7.1 Di III VC VXD

Lens

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Optics
Focal Length
20-40mm
28-300mm
Zoom Ratio
2x
10.7x
Max Aperture
f/2.8
f/4
Min Aperture
f/22
f/22
Elements / Groups
12 / 11
20 / 13
Special Elements
4 LD, 2 GM aspherical
XLD, LD, Aspherical
Coatings
BBAR-G2 Coating, Fluorine coating
BBAR-G2, Fluorine
Diaphragm Blades
9
9
Max Magnification
0.26x
0.36x
Optical correction & RAW development
Focus
Min Focus Dist.
17cm
19cm
Autofocus
AF Motor Type
VXD
VXD linear motor
Focus Method
Internal Autofocus With Vxd Linear Motor
Internal
Full-time Manual
Distance Scale
Focus Limiter
Physical
Lens Mount
Sony E
Sony E
Weight
365 g
610 g
Dimensions (D x L)
74 x 87 mm
77 x 126 mm
Filter Thread
67 mm
67 mm
Weather Sealing
Hood Supplied
Tripod Collar
Features
Image Stabilization
Zoom Method
External
Rotary
Power Zoom
Zoom Lock
Aperture Ring
Breathing Correction
Parfocal
Custom Buttons
0
1
Color
Black
Black
General
Launch Price
USD 699
USD 899
Announce Date
Aug 18, 2022
Jul 31, 2024
Sensor Format
Full Frame
Full Frame