Compare Pentax-DA 11-18mm F2.8 vs Pentax DA 21mm F3.2 vs Pentax DA 35mm F2.8 Macro
Construction
Aperture Blades
7 blades, Rounded aperture diaphragm
9 blades, Rounded aperture diaphragm
Colors
Black, Silver
Black, Silver
Form Factor
Ultra Wide-Angle Zoom Lens
Wide-Angle Prime Lens
Normal Prime Lens
Image Size
APS-C
APS-C
APS-C
Lens Barrel
Distance scale
Distance scale, DoF scale
Distance scale, DoF scale
Lens Mount
Pentax K-mount
Pentax K-mount
Pentax K-mount
Motor
Screw drive from camera
Screw drive from camera
Optical Formula | Elements
8 elements
9 elements
Optical Formula | Groups
5 groups
8 groups
Optical Formula | Special Glass
High-grade multi-layer HD (High Definition) Coating groups
High-grade multi-layer HD (High Definition) Coating groups
Dimensions
Filter Diameter
49 mm / 1.93 in
49 mm / 1.93 in
Size | Diameter
63 mm / 2.48 in
63 mm / 2.48 in
Size | Length
25 mm / 0.98 in
47 mm / 1.85 in
Weight
134 g / 4.73 oz
214 g / 7.56 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)
69.0° Diagonal | 59.5° Horizontal | 41.7° Vertical
44.8° Diagonal | 37.8° Horizontal | 25.8° Vertical
Aperture
f/2.8
f/3.2 ~ f/22
f/2.8 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
1.5
Focal Length
11 mm ~ 18 mm
21 mm
35 mm
Focal Length (35mm Equivalent)
16.5 mm ~ 27.0 mm
31.5 mm
52.5 mm
Focus Type
Extending front
Image Stabilization
No
No
No
Zoom Type
External zoom
Performance
Max Magnification
0.17x
1x
Min Focus Distance
200 mm / 7.87 in
140 mm / 5.51 in
Production
Accessory
Lens hood included
Lens Hood: MH-RBB43 (supplied)
Lens Hood: built-in hood (supplied)
Debut
2017-10-26
2013-08-27
2013-08-27
Reviews
Neofiliac score
40%
59%
68%
Pros
- Good build quality
- Good center resolution
- Very compact
- Very light
- Compact and lightweight
- 1:1 maximum magnification
- Beautiful construction
Cons
- Lacks front filter thread
- Expensive for an APS-C wide-angle zoom
- Dark aperture
- A bit expensive for an f/3.2 pancake
- A bit weak on IQ
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