Compare Pentax-DA 55-300mm F4.5-6.3 vs Pentax-D FA 24-70mm F2.8
Construction
Aperture Blades
9 blades, Rounded blades
9 blades
Colors
Black
Black
Form Factor
Super Telephoto Zoom Lens
Standard Zoom Lens
Image Size
APS-C
Full-Frame
Lens Barrel
Distance scale
Lens Mount
Pentax K-mount
Pentax K-mount
Motor
Stepper motor
Ultrasonic
Optical Formula | Elements
14 elements
17 elements
Optical Formula | Groups
11 groups
12 groups
Optical Formula | Special Glass
ED elements + HD and SP coatings groups
Three ED + four aspherical elements + HD Coating groups
Dimensions
Filter Diameter
58 mm / 2.28 in
82 mm / 3.23 in
Size | Diameter
77 mm / 3.03 in
89 mm / 3.50 in
Size | Length
89 mm / 3.50 in
110 mm / 4.33 in
Weight
471 g / 16.64 oz
787 g / 27.81 oz
Function
Angle Of View
29.4° Diagonal | 24.6° Horizontal | 16.6° Vertical (wide) ~ 5.5° Diagonal | 4.6° Horizontal | 3.1° Vertical (tele)
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical (tele)
Aperture
f/4.5–6.3 ~ f/22–32
f/2.8 ~ f/22
Autofocus
Yes
Yes
Crop Factor
1.5
Focal Length
55 mm ~ 300 mm
24 mm ~ 70 mm
Focal Length (35mm Equivalent)
82.5 mm ~ 450.0 mm
Focus Type
Extending front
Internal
Image Stabilization
No
No
Weather Resistance
Yes
Yes
Zoom Type
External zoom
Performance
Max Magnification
0.3x
0.2x
Min Focus Distance
950 mm / 37.40 in
380 mm / 14.96 in
Production
Accessory
Lens Hood: PH-RBK58 (supplied)
Lens Hood: PH-RBD82 (supplied)
Debut
2016-06-08
2015-09-24
Reviews
Neofiliac score
50%
59%
Pros
- Weather-sealed
- Very affordable for the reach it provides
- Weather-sealed
- Good autofocus performance
- Well priced for f/2.8 standard zoom
Cons
- Dark maximum aperture
- External zoom without zoom lock
- Not as well built as newer Pentax lenses
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