Compare Pentax-D FA 150-450mm F4.5-5.6 vs Pentax DA 40mm F2.8
Construction
Aperture Blades
9 blades, Rounded (150mm: F4.5-8, 450mm: F5.6-8)
9 blades, Rounded aperture diaphragm
Colors
Black
Black, Silver
Form Factor
Super Telephoto Zoom Lens
Short Telephoto Prime Lens
Image Size
Full-Frame
APS-C
Lens Barrel
Focus limiter, Tripod collar, Distance scale
Distance scale
Lens Mount
Pentax K-mount
Pentax K-mount
Motor
Micromotor
Screw drive from camera
Optical Formula | Elements
18 elements
5 elements
Optical Formula | Groups
14 groups
4 groups
Optical Formula | Special Glass
HD, Super protect coatings, ED elements groups
High-grade multi-layer HD (High Definition) Coating groups
Dimensions
Filter Diameter
86 mm / 3.39 in
49 mm / 1.93 in
Size | Diameter
95 mm / 3.74 in
63 mm / 2.48 in
Size | Length
242 mm / 9.53 in
15 mm / 0.59 in
Weight
2000 g / 70.67 oz
80 g / 2.83 oz
Function
Angle Of View
16.4° Diagonal | 13.7° Horizontal | 9.1° Vertical (wide) ~ 5.5° Diagonal | 4.6° Horizontal | 3.1° Vertical (tele)
39.7° Diagonal | 33.4° Horizontal | 22.6° Vertical
Aperture
f/4.5–5.6 ~ f/22–27
f/2.8 ~ f/22
Autofocus
Yes
Yes
Crop Factor
1.5
Focal Length
150 mm ~ 450 mm
40 mm
Focal Length (35mm Equivalent)
60.0 mm
Focus Type
Internal
Image Stabilization
No
No
Weather Resistance
Yes
Zoom Type
External zoom (zoom lock available)
Performance
Max Magnification
0.22x
0.13x
Min Focus Distance
2000 mm / 78.74 in
400 mm / 15.75 in
Production
Accessory
Lens Hood: PH-RBA86 (supplied), Tripod mount: O-TM80Lens case: HS120-270
Lens Hood: MH-RE49 (supplied)
Debut
2015-02-04
2013-08-27
Reviews
Neofiliac score
31%
68%
Pros
- Great reach at a reasonable price point
- Zoom lock prevents zoom creep
- Weather-sealed
- Comes with a tripod collar
- Exceptionally light and compact
- Great rendering
Cons
- Dark maximum aperture
- Large and heavy
- A bit expensive for a pancake lens
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