Compare Sigma 18-300 F3.5-6.3 DC Macro vs Pentax-DA 11-18mm F2.8 vs PENTAX-D FA 15-30mm F2.8

Construction

Aperture Blades
9 blades
Colors
Black
Black
Form Factor
All-in-One Zoom Lens
Ultra Wide-Angle Zoom Lens
Ultra Wide-Angle Zoom Lens
Image Size
APS-C
APS-C
Full-Frame
Lens Barrel
Distance scale
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
Ultrasonic
Optical Formula | Elements
18 elements
Optical Formula | Groups
13 groups
Optical Formula | Special Glass
4 "F" low dispersion, 1 special low dispersion groups
Three ED and aspherical elements + HD and SP coatings groups

Dimensions

Filter Diameter
72 mm / 2.83 in
Size | Diameter
99 mm / 3.90 in
Size | Length
144 mm / 5.67 in
Weight
1040 g / 36.75 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)
105.4° Diagonal | 95.0° Horizontal | 72.1° Vertical (wide) ~ 77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (tele)
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical (wide) ~ 71.6° Diagonal | 61.9° Horizontal | 43.6° Vertical (tele)
Aperture
f/3.5–6.3 ~ f/22
f/2.8
f/2.8 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
18 mm ~ 300 mm
11 mm ~ 18 mm
15 mm ~ 30 mm
Focal Length (35mm Equivalent)
27.0 mm ~ 450.0 mm
16.5 mm ~ 27.0 mm
Focus Type
Extending front
Internal
Image Stabilization
Yes
No
No
Weather Resistance
No
Yes
Zoom Type
External zoom (zoom lock available)
External zoom

Performance

Max Magnification
3x
0.2x
Min Focus Distance
390 mm / 15.35 in
280 mm / 11.02 in

Production

Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2014-09-12
2017-10-26
2016-02-17
Made In
Japan

Reviews

Neofiliac score
55%
40%
31%
Pros
  • Very versatile focal range
  • Optically stabilized
  • Zoom lock prevents zoom creep
  • High maximum magnification
  • Good build quality
  • Good center resolution
  • Constant f/2.8 aperture
  • Great optical performance
  • Weather-sealed
  • Beautifully constructed
Cons
  • All-in-one lenses tend to offer lower IQ
  • Lacks weather sealing
  • Lacks front filter thread
  • Expensive for an APS-C wide-angle zoom
  • Rather long
  • On the heavy side
  • Lacks front filter thread

Price

Offers (incl. referral links)
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