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Compare Canon EF 11-24mm F4 vs Pentax-DA 645 28-45mm F4.5 vs Pentax-FA645 35mm F3.5

Construction

Aperture Blades
9 blades, Circular aperture
9 blades, Rounded blades
9 blades, Rounded aperture
Colors
Black
Black
Form Factor
Ultra Wide-Angle Zoom Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
Full-Frame
Medium Format (645)
Medium Format (645)
Lens Barrel
Distance scale
Distance scale
Physical aperture ring, Distance scale
Lens Mount
Canon EF-mount
Pentax 645 KAF2 bayonet
Pentax 645 KAF2 bayonet
Material
Metal
Motor
Ultrasonic
Optical Formula | Elements
16 elements
17 elements
10 elements
Optical Formula | Groups
11 groups
12 groups
7 groups
Optical Formula | Special Glass
Four aspherical, one Super UD, one ED elements. Sub-wavelength structure, air sphere, super spectra, and fluorine coatings. groups
HD and Aero Bright coatings groups
HRI and hybrid aspherical elements, HD and SP coatings groups

Dimensions

Filter Diameter
82 mm / 3.23 in
82 mm / 3.23 in
Size | Diameter
108 mm / 4.25 in
99 mm / 3.90 in
88 mm / 3.46 in
Size | Length
132 mm / 5.20 in
152 mm / 5.98 in
90 mm / 3.54 in
Weight
1180 g / 41.70 oz
1470 g / 51.94 oz
570 g / 20.14 oz

Function

Angle Of View
126.1° Diagonal | 117.1° Horizontal | 95.0° Vertical (wide) ~ 84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (tele)
102.6° Diagonal | 92.1° Horizontal | 69.3° Vertical (wide) ~ 75.6° Diagonal | 65.7° Horizontal | 46.5° Vertical (tele)
89.9° Diagonal | 79.4° Horizontal | 57.9° Vertical
Aperture
f/4 ~ f/22
f/4.5 ~ f/32
f/3.5 ~ f/32
Autofocus
Yes
Yes
Yes
Crop Factor
0.6
0.6
Focal Length
11 mm ~ 24 mm
28 mm ~ 45 mm
35 mm
Focal Length (35mm Equivalent)
17.4 mm ~ 27.9 mm
21.7 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
Yes
No
Weather Resistance
Yes
Yes
No
Zoom Type
Internal zoom
Internal zoom

Performance

Max Magnification
0.16x
0.21x
0.25x
Min Focus Distance
280 mm / 11.02 in
400 mm / 15.75 in
300 mm / 11.81 in

Production

Accessory
Lens hood included
Lens Hood: 38709 (supplied)
Lens Hood: PH-RBE82 (supplied)
Debut
2015-02-06
2014-08-04
2015-11-11

Reviews

Neofiliac score
43%
68%
68%
Pros
  • One of the widest FOV available on FF
  • Compelling sharpness
  • Internal zoom
  • Weather-sealed
  • Beautiful construction
  • Superb image quality
  • Optically stabilized
  • Internal zoom
  • Weather-sealed
  • Solidly built
  • 0.25x reproduction ratio
  • Rather compact for what it is
  • Comes with physical aperture ring
Cons
  • Dark maximum aperture
  • Large physical size
  • On the heavy side
  • Lacks front filter thread
  • Dark maximum aperture
  • Large and heavy
  • Rather expensive
  • Lacks weather sealing

Price

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