Compare Sigma 18-300 F3.5-6.3 DC Macro vs Pentax DA 55-300mm F4.0-5.8 vs Pentax-DA 55-300mm F4.5-6.3
Construction
Aperture Blades
6 blades
9 blades, Rounded blades
Colors
Black
Black
Black
Form Factor
All-in-One Zoom Lens
Super Telephoto Zoom Lens
Super Telephoto Zoom Lens
Image Size
APS-C
APS-C
APS-C
Lens Barrel
Distance scale
Distance 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
Stepper motor
Optical Formula | Elements
12 elements
14 elements
Optical Formula | Groups
8 groups
11 groups
Optical Formula | Special Glass
4 "F" low dispersion, 1 special low dispersion groups
ED glass elements groups
ED elements + HD and SP coatings groups
Dimensions
Filter Diameter
72 mm / 2.83 in
58 mm / 2.28 in
58 mm / 2.28 in
Size | Diameter
71 mm / 2.80 in
77 mm / 3.03 in
Size | Length
112 mm / 4.41 in
89 mm / 3.50 in
Weight
466 g / 16.47 oz
471 g / 16.64 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)
29.4° Diagonal | 24.6° Horizontal | 16.6° Vertical (wide) ~ 5.5° Diagonal | 4.6° Horizontal | 3.1° Vertical (tele)
29.4° Diagonal | 24.6° Horizontal | 16.6° Vertical (wide) ~ 5.5° Diagonal | 4.6° Horizontal | 3.1° Vertical (tele)
Aperture
f/3.5–6.3 ~ f/22
f/4–5.8 ~ f/22–32
f/4.5–6.3 ~ f/22–32
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
1.5
Focal Length
18 mm ~ 300 mm
55 mm ~ 300 mm
55 mm ~ 300 mm
Focal Length (35mm Equivalent)
27.0 mm ~ 450.0 mm
82.5 mm ~ 450.0 mm
82.5 mm ~ 450.0 mm
Focus Type
Extending front
Extending front
Image Stabilization
Yes
No
No
Weather Resistance
No
Yes
Yes
Zoom Type
External zoom (zoom lock available)
External zoom
External zoom
Performance
Max Magnification
3x
0.28x
0.3x
Min Focus Distance
390 mm / 15.35 in
1400 mm / 55.12 in
950 mm / 37.40 in
Production
Accessory
Lens hood included
Lens Hood: PH-RBI 58mm (supplied)
Lens Hood: PH-RBK58 (supplied)
Debut
2014-09-12
2013-10-07
2016-06-08
Made In
Japan
Reviews
Neofiliac score
55%
50%
50%
Pros
- Very versatile focal range
- Optically stabilized
- Zoom lock prevents zoom creep
- High maximum magnification
- Weather-sealed
- Great price for the price
- Weather-sealed
- Very affordable for the reach it provides
Cons
- All-in-one lenses tend to offer lower IQ
- Lacks weather sealing
- Dark and variable maximum aperture
- External zoom without zoom lock
- Not the best from Pentax
- Dark maximum aperture
- External zoom without zoom lock
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