Compare Sigma 50-100mm F1.8 DC HSM vs Sigma 17-70mm F2.8-4 DC Macro vs Canon RF-S 18-45mm F4.5-6.3
Construction
Aperture Blades
9 blades, Rounded blades
7 blades, rounded
7 blades
Colors
Black
Black
Form Factor
Telephoto Zoom Lens
Standard Zoom Lens
Standard Zoom Lens
Image Size
APS-C
APS-C
APS-C
Lens Barrel
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount
Canon EF-mount, Nikon F-mount, Pentax K-mount, Sigma SA-mount, Sony A-mount
Canon RF-mount
Material
Plastic barrel, metal mount
Motor
Micro-type ultrasonic
Stepper motor
Optical Formula | Elements
21 elements
16 elements
7 elements
Optical Formula | Groups
15 groups
14 groups
7 groups
Optical Formula | Special Glass
Three FLD, one SLD, one HRI elements groups
2 FLD ("F" Low Dispersion) glass elements, 1 SLD (Special Low Dispersion) glass element, 3 aspherical glass lenses including double sided aspherical lens groups
Two aspherical elements groups
Dimensions
Filter Diameter
82 mm / 3.23 in
72 mm / 2.83 in
49 mm / 1.93 in
Size | Diameter
94 mm / 3.70 in
79 mm / 3.11 in
69 mm / 2.72 in
Size | Length
171 mm / 6.73 in
82 mm / 3.23 in
44 mm / 1.73 in
Weight
1490 g / 52.65 oz
465 g / 16.43 oz
130 g / 4.59 oz
Function
Angle Of View
32.2° Diagonal | 27.0° Horizontal | 18.2° Vertical (wide) ~ 16.4° Diagonal | 13.7° Horizontal | 9.1° Vertical (tele)
80.7° Diagonal | 70.4° Horizontal | 50.4° Vertical (wide) ~ 23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (tele)
73.9° Diagonal | 64.0° Horizontal | 45.2° Vertical (wide) ~ 33.5° Diagonal | 28.1° Horizontal | 18.9° Vertical (tele)
Aperture
f/1.8 ~ f/16
f/2.8–4 ~ f/22
f/4.5–6.3 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
1.6
Focal Length
50 mm ~ 100 mm
17 mm ~ 70 mm
18 mm ~ 45 mm
Focal Length (35mm Equivalent)
75.0 mm ~ 150.0 mm
25.5 mm ~ 105.0 mm
28.8 mm ~ 72.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
Yes
Yes (7 stops)
Weather Resistance
No
No
Zoom Type
Internal zoom
External zoom
External zoom
Performance
Max Magnification
0.15x
0.36x
0.16x
Min Focus Distance
950 mm / 37.40 in
220 mm / 8.66 in
200 mm / 7.87 in
Production
Accessory
Lens hood included
Lens Hood: LH780-03 (supplied)
Lens Hood: Canon EW-53 (sold separately)
Debut
2016-02-23
2012-09-17
2022-05-24
Made In
Japan
Japan
Reviews
Neofiliac score
46%
65%
19%
Pros
- Superb image quality
- Internal zoom
- Optically stabilized
- Rather good resolution
- Optically stabilized
- Short barrel
- Light in the hand
Cons
- Very large and heavy for an APS-C lens
- Lacks weather sealing
- External zoom without zoom lock
- Merely 0.36x maximum magnification despite named "Macro"
- Dark maximum aperture
- External zoom without zoom lock
- Lens hood not included
- Lacks weather sealing
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