Compare Sigma 18-300 F3.5-6.3 DC Macro 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
Black, Silver
Black, Silver
Form Factor
All-in-One 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
Canon EF-mount, Nikon F-mount, Pentax K-mount, Sigma SA-mount, Sony A-mount
Pentax K-mount
Pentax K-mount
Motor
Ultrasonic
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
4 "F" low dispersion, 1 special low dispersion groups
High-grade multi-layer HD (High Definition) Coating groups
High-grade multi-layer HD (High Definition) Coating groups
Dimensions
Filter Diameter
72 mm / 2.83 in
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
77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (wide) ~ 5.5° Diagonal | 4.6° Horizontal | 3.1° Vertical (tele)
69.0° Diagonal | 59.5° Horizontal | 41.7° Vertical
44.8° Diagonal | 37.8° Horizontal | 25.8° Vertical
Aperture
f/3.5–6.3 ~ f/22
f/3.2 ~ f/22
f/2.8 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
1.5
Focal Length
18 mm ~ 300 mm
21 mm
35 mm
Focal Length (35mm Equivalent)
27.0 mm ~ 450.0 mm
31.5 mm
52.5 mm
Focus Type
Extending front
Extending front
Image Stabilization
Yes
No
No
Weather Resistance
No
Zoom Type
External zoom (zoom lock available)
Performance
Max Magnification
3x
0.17x
1x
Min Focus Distance
390 mm / 15.35 in
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
2014-09-12
2013-08-27
2013-08-27
Made In
Japan
Reviews
Neofiliac score
55%
59%
68%
Pros
- Very versatile focal range
- Optically stabilized
- Zoom lock prevents zoom creep
- High maximum magnification
- Very compact
- Very light
- Compact and lightweight
- 1:1 maximum magnification
- Beautiful construction
Cons
- All-in-one lenses tend to offer lower IQ
- Lacks weather sealing
- Dark aperture
- A bit expensive for an f/3.2 pancake
- A bit weak on IQ
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