Compare Samyang 10mm F2.8 ED AS NCS CS vs Tamron 10-24mm F/3.5-4.5 Di II VC vs Tamron 17-70mm F/2.8
Construction
Aperture Blades
6 blades, Manual aperture setting via lens ring
7 blades
9 blades
Colors
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Zoom Lens
Standard Zoom Lens
Image Size
APS-C
APS-C
APS-C
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Canon EF-M-mount, Canon EF-mount, Micro Four Thirds-mount, Fujifilm X-mount, Micro Four Thirds-mount, Nikon F-mount, Pentax K-mount, Samsung NX-mount, Sony A-mount, Sony E-mount
Canon EF-mount, Nikon F-mount
Sony E-mount
Motor
Stepper motor
Optical Formula | Elements
14 elements
16 elements
16 elements
Optical Formula | Groups
10 groups
11 groups
12 groups
Optical Formula | Special Glass
2 aspherical elements, 1 ED glass element groups
Broad-band Anti-reflection & fluorine coatingsLD, XLD, aspherical, and hybrid aspherical elements. groups
1 aspherical + 2 glass-molded aspherical elements groups
Dimensions
Filter Diameter
77 mm / 3.03 in
67 mm / 2.64 in
Size | Diameter
86 mm / 3.39 in
84 mm / 3.31 in
75 mm / 2.95 in
Size | Length
77 mm / 3.03 in
85 mm / 3.35 in
119 mm / 4.69 in
Weight
580 g / 20.49 oz
440 g / 15.55 oz
525 g / 18.55 oz
Function
Angle Of View
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical (wide) ~ 62.0° Diagonal | 53.1° Horizontal | 36.9° Vertical (tele)
80.7° Diagonal | 70.4° Horizontal | 50.4° Vertical (wide) ~ 23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (tele)
Aperture
f/2.8 ~ f/22
f/3.5–22 ~ f/4.5–29
f/2.8 ~ f/22
Autofocus
No
Yes
Yes
Crop Factor
1.5
1.5
1.5
Focal Length
10 mm
10 mm ~ 24 mm
17 mm ~ 70 mm
Focal Length (35mm Equivalent)
15.0 mm
15.0 mm ~ 36.0 mm
25.5 mm ~ 105.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
Yes
Yes
Weather Resistance
Yes
Yes
Zoom Type
External zoom
External zoom
Performance
Max Magnification
0.19x
0.21x
Min Focus Distance
250 mm / 9.84 in
240 mm / 9.45 in
190 mm / 7.48 in
Production
Accessory
Lens Hood: Integrated hood (supplied)
Lens hood included
Lens hood included
Debut
2013-12-06
2017-02-06
2020-12-03
Model Name
B023
B070
Reviews
Neofiliac score
40%
69%
69%
Pros
- One of the widest rectilinear lens for APS-C
- Reasonable IQ
- Bright f/2.8 aperture
- Optically stabilized
- Weather-sealed
- Good autofocus
- Optically stabilized
- Weather-sealed
- Fast AF
- Good image quality
Cons
- Lacks front filter thread
- External zoom without zoom lock
- Not the highest build quality
- External zoom without zoom lock
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