Compare Tamron 17-35mm F/2.8-4 Di OSD vs Tamron SP 45mm F/1.8
Construction
Aperture Blades
7 blades
9 blades
Colors
Black
Black
Form Factor
Wide-Angle Zoom Lens
Normal Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount
Canon EF-mount, Nikon F-mount, Sony A-mount
Motor
Micromotor
Ring-type ultrasonic
Optical Formula | Elements
15 elements
10 elements
Optical Formula | Groups
10 groups
8 groups
Optical Formula | Special Glass
LD/GM elements, BBAR/fluorine coatings groups
Two aspherical and one LD element + fluorine, eBAND, and BBAR coatings. groups
Dimensions
Filter Diameter
77 mm / 3.03 in
67 mm / 2.64 in
Size | Diameter
84 mm / 3.31 in
80 mm / 3.15 in
Size | Length
93 mm / 3.66 in
92 mm / 3.62 in
Weight
460 g / 16.25 oz
540 g / 19.08 oz
Function
Angle Of View
103.7° Diagonal | 93.3° Horizontal | 70.4° Vertical (wide) ~ 63.5° Diagonal | 54.4° Horizontal | 37.8° Vertical (tele)
51.4° Diagonal | 43.6° Horizontal | 29.9° Vertical
Aperture
f/2.8–4 ~ f/16–22
f/1.8 ~ f/16
Autofocus
Yes
Yes
Focal Length
17 mm ~ 35 mm
45 mm
Focus Type
Internal
Internal
Image Stabilization
No
Yes
Weather Resistance
Yes
Yes
Zoom Type
External zoom
Performance
Max Magnification
0.2x
0.3x
Min Focus Distance
280 mm / 11.02 in
290 mm / 11.42 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2018-08-06
2015-09-02
Model Name
A037
F013
Reviews
Neofiliac score
69%
86%
Pros
- Weather-sealed
- Compact and lightweight
- Optically stabilized
- Weather-sealed
Cons
- External zoom without zoom lock
- Variable aperture
- Not the sharpest
- Rather large and heavy for an f/1.8 normal lens
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