Compare Samyang 12mm F2.0 NCS CS vs Canon RF 15-30mm F4.5-6.3 vs Canon RF-S 18-45mm F4.5-6.3
Construction
Aperture Blades
6 blades
7 blades
7 blades
Colors
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Zoom Lens
Standard Zoom Lens
Image Size
APS-C
Full-Frame
APS-C
Lens Barrel
Physical aperture ring, Distance scale
Distance scale
Lens Mount
Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Samsung NX-mount, Sony E-mount
Canon RF-mount
Canon RF-mount
Motor
Stepper motor
Stepper motor
Optical Formula | Elements
12 elements
13 elements
7 elements
Optical Formula | Groups
10 groups
11 groups
7 groups
Optical Formula | Special Glass
2 aspherical elements, 3 ED glass elements groups
Two ultra-low dispersion elements and one aspherical element. Uses Canon’s Super Spectra Coating (SSC). groups
Two aspherical elements groups
Dimensions
Filter Diameter
67 mm / 2.64 in
67 mm / 2.64 in
49 mm / 1.93 in
Size | Diameter
73 mm / 2.87 in
77 mm / 3.03 in
69 mm / 2.72 in
Size | Length
59 mm / 2.32 in
88 mm / 3.46 in
44 mm / 1.73 in
Weight
260 g / 9.19 oz
390 g / 13.78 oz
130 g / 4.59 oz
Function
Angle Of View
100.5° Diagonal | 90.0° Horizontal | 67.4° Vertical
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical (wide) ~ 71.6° Diagonal | 61.9° Horizontal | 43.6° Vertical (tele)
73.9° Diagonal | 64.0° Horizontal | 45.2° Vertical (wide) ~ 33.5° Diagonal | 28.1° Horizontal | 18.9° Vertical (tele)
Aperture
f/2 ~ f/22
f/4.5–6.3 ~ f/22–32
f/4.5–6.3 ~ f/22
Autofocus
No
Yes
Yes
Crop Factor
1.5
1.6
Focal Length
12 mm
15 mm ~ 30 mm
18 mm ~ 45 mm
Focal Length (35mm Equivalent)
18.0 mm
28.8 mm ~ 72.0 mm
Focus Type
Internal
Image Stabilization
No
Yes
Yes (7 stops)
Weather Resistance
No
No
Zoom Type
External zoom
External zoom
Performance
Max Magnification
0.16x
Min Focus Distance
200 mm / 7.87 in
130 mm / 5.12 in
200 mm / 7.87 in
Production
Accessory
Lens hood included
Lens hood included
Lens Hood: Canon EW-53 (sold separately)
Debut
2014-03-21
2022-07-12
2022-05-24
Reviews
Neofiliac score
59%
37%
19%
Pros
- Interesting FOV
- Good level of resolution
- Great sunstar performance
- Affordable
- Interesting zoom range
- Stabilized
- Optically stabilized
- Short barrel
- Light in the hand
Cons
- Not the best grade of build
- High distortion
- Dark maximum aperture
- External zoom without zoom lock
- Lacks weather sealing
- Low build quality
- Dark maximum aperture
- External zoom without zoom lock
- Lens hood not included
- Lacks weather sealing
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