Site Title

Compare Pentax-D FA 150-450mm F4.5-5.6 vs Pentax-D FA 21mm F2.4ED vs Pentax-D FA* 85mm F1.4

Reviews

Neo score
31%
76%
68%
Pros
  • Great reach at a reasonable price point
  • Zoom lock prevents zoom creep
  • Weather-sealed
  • Comes with a tripod collar
  • Weather-sealed
  • Great image quality
  • 8-bladed aperture for sunstars
  • Bright maximum aperture
  • Weather-sealed
  • Premium design and construction
Cons
  • Dark maximum aperture
  • Large and heavy
  • Large diameter
  • On the heavy side

Price

MSRP
2500 USD
1400 USD
Offers (incl. referral links)

Construction

Aperture Blades
9 blades, Rounded (150mm: F4.5-8, 450mm: F5.6-8)
8 blades, Rounded diaphragm
9 blades
Colors
Black
Black, Silver
Black
Form Factor
Super Telephoto Zoom Lens
Ultra Wide-Angle Prime Lens
Short Telephoto Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Focus limiter, Tripod collar, Distance scale
Distance scale, DoF scale
Distance scale
Lens Mount
Pentax K-mount
Pentax K-mount
Pentax K-mount
Material
Aluminum
Motor
Micromotor
Ring-type ultrasonic
Optical Formula | Elements
18 elements
11 elements
12 elements
Optical Formula | Groups
14 groups
8 groups
10 groups
Optical Formula | Special Glass
HD, Super protect coatings, ED elements groups
4 ED elements, 1 Super ED element groups
1 aspherical + 3 Super ED elements, HD coating groups

Dimensions

Filter Diameter
86 mm / 3.39 in
67 mm / 2.64 in
82 mm / 3.23 in
Size | Diameter
95 mm / 3.74 in
74 mm / 2.91 in
95 mm / 3.74 in
Size | Length
242 mm / 9.53 in
89 mm / 3.50 in
124 mm / 4.88 in
Weight
2000 g / 70.67 oz
416 g / 14.70 oz
1255 g / 44.35 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)
91.7° Diagonal | 81.2° Horizontal | 59.5° Vertical
28.6° Diagonal | 23.9° Horizontal | 16.1° Vertical
Aperture
f/4.5–5.6 ~ f/22–27
f/2.4–22 ~ f/2.4–22
f/1.4 ~ f/16
Autofocus
Yes
Yes
Yes
Focal Length
150 mm ~ 450 mm
21 mm
85 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
Yes
Yes
Yes
Zoom Type
External zoom (zoom lock available)

Performance

Max Magnification
0.22x
0.26x
0.12x
Min Focus Distance
2000 mm / 78.74 in
180 mm / 7.09 in
850 mm / 33.46 in

Production

Accessory
Lens Hood: PH-RBA86 (supplied), Tripod mount: O-TM80Lens case: HS120-270
Lens hood included
Lens hood included
Debut
2015-02-04
2021-10-21
2020-05-27
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