Compare Pentax-DA 11-18mm F2.8 vs Canon EF-S 10-18mm F4.5–5.6 vs Canon EF-S 18-55mm F4-5.6
Construction
Aperture Blades
7 blades
7 blades
Colors
Black
Form Factor
Ultra Wide-Angle Zoom Lens
Ultra Wide-Angle Zoom Lens
Standard Zoom Lens
Image Size
APS-C
APS-C
APS-C
Lens Barrel
Distance scale
Lens Mount
Pentax K-mount
Canon EF-mount
Canon EF-mount
Motor
Stepper motor
Stepper motor
Optical Formula | Elements
14 elements
12 elements
Optical Formula | Groups
11 groups
10 groups
Optical Formula | Special Glass
UD lens element and enhanced lens coatings groups
Dimensions
Filter Diameter
67 mm / 2.64 in
58 mm / 2.28 in
Size | Diameter
75 mm / 2.95 in
67 mm / 2.64 in
Size | Length
72 mm / 2.83 in
62 mm / 2.44 in
Weight
240 g / 8.48 oz
215 g / 7.60 oz
Function
Angle Of View
105.4° Diagonal | 95.0° Horizontal | 72.1° Vertical (wide) ~ 77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (tele)
107.1° Diagonal | 96.7° Horizontal | 73.7° Vertical (wide) ~ 73.9° Diagonal | 64.0° Horizontal | 45.2° Vertical (tele)
73.9° Diagonal | 64.0° Horizontal | 45.2° Vertical (wide) ~ 27.6° Diagonal | 23.1° Horizontal | 15.5° Vertical (tele)
Aperture
f/2.8
f/4.5–5.6 ~ f/22–29
f/4–5.6 ~ f/22–32
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.6
1.6
Focal Length
11 mm ~ 18 mm
10 mm ~ 18 mm
18 mm ~ 55 mm
Focal Length (35mm Equivalent)
16.5 mm ~ 27.0 mm
16.0 mm ~ 28.8 mm
28.8 mm ~ 88.0 mm
Focus Type
Internal
Image Stabilization
No
Yes
Yes
Weather Resistance
No
No
Zoom Type
External zoom
Internal zoom
External zoom
Performance
Max Magnification
0.15x
0.25x
Min Focus Distance
220 mm / 8.66 in
250 mm / 9.84 in
Production
Accessory
Lens hood included
Lens Hood: EW-73 C (sold separately)
Lens Hood: EW-63C (sold separately)
Debut
2017-10-26
2014-05-13
2017-02-15
Reviews
Neofiliac score
40%
62%
43%
Pros
- Good build quality
- Good center resolution
- Optically stabilized
- Light in the hand
- Internal zoom
- Optically stabilized
- Light in the hand
Cons
- Lacks front filter thread
- Expensive for an APS-C wide-angle zoom
- Dark maximum aperture
- Lens hood not included
- Lacks weather sealing
- Not the best build quality
- Not the sharpest
- Dark and variable maximum aperture
- External zoom without zoom lock
- Lens hood not included
- Lacks weather sealing
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