Compare Sigma 100-400mm F5-6.3 DG OS HSM vs Pentax-D FA 150-450mm F4.5-5.6 vs Pentax-FA 77mm F1.8
Construction
Aperture Blades
9 blades
9 blades, Rounded (150mm: F4.5-8, 450mm: F5.6-8)
9 blades
Colors
Black
Black
Black, silver
Form Factor
Super Telephoto Zoom Lens
Super Telephoto Zoom Lens
Short Telephoto Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Focus limiter, Tripod collar, Distance scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount
Pentax K-mount
Pentax K-mount
Material
Aluminum
Motor
Ring-type ultrasonic
Micromotor
Screw drive from camera
Optical Formula | Elements
21 elements
18 elements
7 elements
Optical Formula | Groups
15 groups
14 groups
6 groups
Optical Formula | Special Glass
Four SLD elements groups
HD, Super protect coatings, ED elements groups
HD + Super Protect coatings groups
Dimensions
Filter Diameter
67 mm / 2.64 in
86 mm / 3.39 in
49 mm / 1.93 in
Size | Diameter
86 mm / 3.39 in
95 mm / 3.74 in
64 mm / 2.52 in
Size | Length
182 mm / 7.17 in
242 mm / 9.53 in
48 mm / 1.89 in
Weight
1160 g / 40.99 oz
2000 g / 70.67 oz
270 g / 9.54 oz
Function
Angle Of View
24.4° Diagonal | 20.4° Horizontal | 13.7° Vertical (wide) ~ 6.2° Diagonal | 5.2° Horizontal | 3.4° Vertical (tele)
16.4° Diagonal | 13.7° Horizontal | 9.1° Vertical (wide) ~ 5.5° Diagonal | 4.6° Horizontal | 3.1° Vertical (tele)
31.4° Diagonal | 26.3° Horizontal | 17.7° Vertical
Aperture
f/5–6.3 ~ f/22
f/4.5–5.6 ~ f/22–27
f/1.8 ~ f/22
Autofocus
Yes
Yes
Yes
Focal Length
100 mm ~ 400 mm
150 mm ~ 450 mm
77 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
Yes
No
No
Weather Resistance
Yes
Yes
No
Zoom Type
External zoom
External zoom (zoom lock available)
Performance
Max Magnification
0.26x
0.22x
0.14x
Min Focus Distance
160 mm / 6.30 in
2000 mm / 78.74 in
700 mm / 27.56 in
Production
Accessory
Lens Hood: LH770-04 (supplied)
Lens Hood: PH-RBA86 (supplied), Tripod mount: O-TM80Lens case: HS120-270
Lens hood included
Debut
2017-02-21
2015-02-04
2021-02-24
Made In
Japan
Reviews
Neofiliac score
65%
31%
68%
Pros
- Excellent image quality
- Optically stabilized
- Weather-sealed
- Zoom lock prevents zoom creep
- Great reach at a reasonable price point
- Zoom lock prevents zoom creep
- Weather-sealed
- Comes with a tripod collar
- Rather compact
- Beautifully crafted
- Comes with physical aperture ring
- Good image quality
- Smooth rendering
Cons
- Dark maximum aperture
- Not the best flare resistance
- Dark maximum aperture
- Large and heavy
- Lacks weather sealing
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