Site Title

Compare SIGMA 18-50mm F2.8 DC DN vs Sigma 17-70mm F2.8-4 DC Macro

Reviews

Neo score
55%
65%
Pros
  • Constant f/2.8 aperture
  • Very sharp wide open
  • Dust and splash protection
  • Optically stabilized
  • Rather good resolution
Cons
  • External zoom without zoom lock
  • Not stabilized
  • External zoom without zoom lock
  • Merely 0.36x maximum magnification despite named "Macro"

Price

Offers (incl. referral links)

Construction

Aperture Blades
7 blades, Rounded blades
7 blades, rounded
Colors
Black
Form Factor
Standard Zoom Lens
Standard Zoom Lens
Image Size
APS-C
APS-C
Lens Barrel
Distance scale
Lens Mount
Leica L-mount, Sony E-mount
Canon EF-mount, Nikon F-mount, Pentax K-mount, Sigma SA-mount, Sony A-mount
Material
Plastic barrel, metal mount
Motor
Stepper motor
Micro-type ultrasonic
Optical Formula | Elements
13 elements
16 elements
Optical Formula | Groups
10 groups
14 groups
Optical Formula | Special Glass
1 Super Low Dispersion and 3 aspherical elements groups
2 FLD ("F" Low Dispersion) glass elements, 1 SLD (Special Low Dispersion) glass element, 3 aspherical glass lenses including double sided aspherical lens groups

Dimensions

Filter Diameter
55 mm / 2.17 in
72 mm / 2.83 in
Size | Diameter
65 mm / 2.56 in
79 mm / 3.11 in
Size | Length
75 mm / 2.95 in
82 mm / 3.23 in
Weight
290 g / 10.25 oz
465 g / 16.43 oz

Function

Angle Of View
77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (wide) ~ 32.2° Diagonal | 27.0° Horizontal | 18.2° Vertical (tele)
80.7° Diagonal | 70.4° Horizontal | 50.4° Vertical (wide) ~ 23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (tele)
Aperture
f/2.8 ~ f/22
f/2.8–4 ~ f/22
Autofocus
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
18 mm ~ 50 mm
17 mm ~ 70 mm
Focal Length (35mm Equivalent)
27.0 mm ~ 75.0 mm
25.5 mm ~ 105.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
Yes
Weather Resistance
Yes
Zoom Type
External zoom
External zoom

Performance

Max Magnification
0.36x
Min Focus Distance
120 mm / 4.72 in
220 mm / 8.66 in

Production

Accessory
Lens Hood: LH582-02 (supplied)
Lens Hood: LH780-03 (supplied)
Debut
2021-10-19
2012-09-17
Made In
Japan
Japan
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