Compare Sigma 70mm F2.8 DG Macro vs Sigma 18-300 F3.5-6.3 DC Macro vs Pentax-DA* 16-50mm F2.8
Construction
Aperture Blades
9 blades
9 blades
Colors
Black
Black
Form Factor
Short Telephoto Prime Lens
All-in-One Zoom Lens
Standard Zoom Lens
Image Size
Full-Frame
APS-C
APS-C
Lens Barrel
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount, Sony E-mount, Leica L-mount
Canon EF-mount, Nikon F-mount, Pentax K-mount, Sigma SA-mount, Sony A-mount
Pentax K-mount
Material
Magnesium alloy
Motor
Micromotor
Ultrasonic
Stepper motor
Optical Formula | Elements
13 elements
16 elements
Optical Formula | Groups
10 groups
10 groups
Optical Formula | Special Glass
Two FLD glass elementsTwo SLD glass elementsTwo aspherical elements groups
4 "F" low dispersion, 1 special low dispersion groups
ED + anomalous glass + aspherical elements, HD coating groups
Dimensions
Filter Diameter
49 mm / 1.93 in
72 mm / 2.83 in
77 mm / 3.03 in
Size | Diameter
71 mm / 2.80 in
84 mm / 3.31 in
Size | Length
106 mm / 4.17 in
117 mm / 4.61 in
Weight
515 g / 18.20 oz
712 g / 25.16 oz
Function
Angle Of View
34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical
77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (wide) ~ 5.5° Diagonal | 4.6° Horizontal | 3.1° Vertical (tele)
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 32.2° Diagonal | 27.0° Horizontal | 18.2° Vertical (tele)
Aperture
f/2.8 ~ f/22
f/3.5–6.3 ~ f/22
f/2.8 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
70 mm
18 mm ~ 300 mm
16 mm ~ 50 mm
Focal Length (35mm Equivalent)
27.0 mm ~ 450.0 mm
24.0 mm ~ 75.0 mm
Focus Type
Extending front
Extending front
Internal
Image Stabilization
No
Yes
No
Weather Resistance
Yes
No
Yes
Zoom Type
External zoom (zoom lock available)
External zoom
Performance
Max Magnification
1x
3x
0.24x
Min Focus Distance
260 mm / 10.24 in
390 mm / 15.35 in
300 mm / 11.81 in
Production
Accessory
Lens Hood: LH708-01 (supplied)
Lens hood included
Lens Hood: PH-RBN77 (sold separately)
Debut
2018-02-27
2014-09-12
2021-07-14
Made In
Japan
Japan
Reviews
Neofiliac score
91%
55%
40%
Pros
- 1x maximum magnification
- Weather-sealed
- Rather lightweight for a 1:1 macro lens
- Very versatile focal range
- Optically stabilized
- Zoom lock prevents zoom creep
- High maximum magnification
- Weather-sealed
- Solid build quality
Cons
- External focusing
- Built between Art and Contemporary line
- All-in-one lenses tend to offer lower IQ
- Lacks weather sealing
- Exterior designed like a 1990's lens
- External zoom without zoom lock
- Lens hood not included
- Expensive for APS-C
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