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Tamron 28-200mm f/2.8-5.6 Di III RXD (Sony E) vs Tamron 20-40mm f/2.8 Di III VXD

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Optics
Focal Length
28-200mm
20-40mm
Max Aperture
f/2.8
f/2.8
Min Aperture
f/40
f/22
Elements / Groups
18 / 14
12 / 11
Diaphragm Blades
7
9
Max Magnification
0.32x
0.26x
Zoom Ratio
-
2x
Special Elements
-
4 LD, 2 GM aspherical
Coatings
-
BBAR-G2 Coating, Fluorine coating
Optical correction & RAW development
Focus
Min Focus Dist.
19cm
17cm
Autofocus
AF Motor Type
RXD
VXD
Full-time Manual
Distance Scale
Focus Limiter
Focus Method
-
Internal Autofocus With Vxd Linear Motor
Physical
Lens Mount
Sony E
Sony E
Weight
575 g
365 g
Dimensions (D x L)
74 x 117 mm
74 x 87 mm
Filter Thread
67 mm
67 mm
Weather Sealing
Hood Supplied
Tripod Collar
Features
Image Stabilization
Zoom Method
Rotary extending
External
Power Zoom
Zoom Lock
Aperture Ring
Breathing Correction
Parfocal
Custom Buttons
0
0
Color
Black
Black
General
Launch Price
USD 729
USD 699
Announce Date
Jun 11, 2020
Aug 18, 2022
Sensor Format
Full Frame
Full Frame