Compare Sigma 18-300 F3.5-6.3 DC Macro vs Pentax DA 55-300mm F4.0-5.8 vs Pentax DA 560mm F5.6

Construction

Aperture Blades
6 blades
Colors
Black
Black
Form Factor
All-in-One Zoom Lens
Super Telephoto Zoom Lens
Super Telephoto Prime 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
Optical Formula | Elements
12 elements
6 elements
Optical Formula | Groups
8 groups
5 groups
Optical Formula | Special Glass
4 "F" low dispersion, 1 special low dispersion groups
ED glass elements groups

Dimensions

Filter Diameter
72 mm / 2.83 in
58 mm / 2.28 in
112 mm / 4.41 in
Size | Diameter
71 mm / 2.80 in
130 mm / 5.12 in
Size | Length
112 mm / 4.41 in
522 mm / 20.55 in
Weight
466 g / 16.47 oz
3040 g / 107.42 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)
3.0° Diagonal | 2.5° Horizontal | 1.6° Vertical
Aperture
f/3.5–6.3 ~ f/22
f/4–5.8 ~ f/22–32
f/5.6 ~ f/45
Autofocus
Yes
Yes
Crop Factor
1.5
1.5
1.5
Focal Length
18 mm ~ 300 mm
55 mm ~ 300 mm
560 mm
Focal Length (35mm Equivalent)
27.0 mm ~ 450.0 mm
82.5 mm ~ 450.0 mm
840.0 mm
Focus Type
Extending front
Image Stabilization
Yes
No
Weather Resistance
No
Yes
Zoom Type
External zoom (zoom lock available)
External zoom

Performance

Max Magnification
3x
0.28x
Min Focus Distance
390 mm / 15.35 in
1400 mm / 55.12 in
5600 mm / 220.47 in

Production

Accessory
Lens hood included
Lens Hood: PH-RBI 58mm (supplied)
Debut
2014-09-12
2013-10-07
2012-09-10
Made In
Japan

Reviews

Neofiliac score
55%
50%
16%
Pros
  • Very versatile focal range
  • Optically stabilized
  • Zoom lock prevents zoom creep
  • High maximum magnification
  • Weather-sealed
  • Great price for the price
  • The longest reach for APS-C
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
  • Large and heavy like a full-frame lens
  • Professionals may prefer FF instead

Price

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