Site Title

Compare Pentax-DA 645 28-45mm F4.5 vs Pentax 04 Toy Lens Wide

Reviews

Neo score
68%
40%
Pros
  • Superb image quality
  • Optically stabilized
  • Internal zoom
  • Weather-sealed
  • Solidly built
  • Extremely light and compact
Cons
  • Dark maximum aperture
  • Large and heavy
  • Rather expensive
  • Dark and fixed f/7.1 aperture
  • Not a serious lens

Price

MSRP
4500 USD
Offers (incl. referral links)

Construction

Aperture Blades
9 blades, Rounded blades
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Wide-Angle Prime Lens
Image Size
Medium Format (645)
1/1.7"
Lens Barrel
Distance scale
Distance scale
Lens Mount
Pentax 645 KAF2 bayonet
Pentax Q-mount
Material
Metal
Plastic mount
Optical Formula | Elements
17 elements
4 elements
Optical Formula | Groups
12 groups
3 groups
Optical Formula | Special Glass
HD and Aero Bright coatings groups

Dimensions

Filter Diameter
82 mm / 3.23 in
Size | Diameter
99 mm / 3.90 in
41 mm / 1.61 in
Size | Length
152 mm / 5.98 in
25 mm / 0.98 in
Weight
1470 g / 51.94 oz
21 g / 0.74 oz

Function

Angle Of View
102.6° Diagonal | 92.1° Horizontal | 69.3° Vertical (wide) ~ 75.6° Diagonal | 65.7° Horizontal | 46.5° Vertical (tele)
73.5° Diagonal | 63.7° Horizontal | 45.0° Vertical
Aperture
f/4.5 ~ f/32
f/7.1
Autofocus
Yes
No
Crop Factor
0.6
4.6
Focal Length
28 mm ~ 45 mm
6.3 mm
Focal Length (35mm Equivalent)
17.4 mm ~ 27.9 mm
29.0 mm
Focus Type
Internal
Image Stabilization
Yes
Weather Resistance
Yes
Zoom Type
Internal zoom

Performance

Max Magnification
0.21x
0.15x
Min Focus Distance
400 mm / 15.75 in
70 mm / 2.76 in

Production

Accessory
Lens Hood: 38709 (supplied)
Debut
2014-08-04
2011-06-23
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