Compare Pentax-D FA* 85mm F1.4 vs Pentax-FA 77mm F1.8
Construction
Aperture Blades
9 blades
9 blades
Colors
Black
Black, silver
Form Factor
Short Telephoto Prime Lens
Short Telephoto Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Distance scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Pentax K-mount
Pentax K-mount
Material
Aluminum
Motor
Ring-type ultrasonic
Screw drive from camera
Optical Formula | Elements
12 elements
7 elements
Optical Formula | Groups
10 groups
6 groups
Optical Formula | Special Glass
1 aspherical + 3 Super ED elements, HD coating groups
HD + Super Protect coatings groups
Dimensions
Filter Diameter
82 mm / 3.23 in
49 mm / 1.93 in
Size | Diameter
95 mm / 3.74 in
64 mm / 2.52 in
Size | Length
124 mm / 4.88 in
48 mm / 1.89 in
Weight
1255 g / 44.35 oz
270 g / 9.54 oz
Function
Angle Of View
28.6° Diagonal | 23.9° Horizontal | 16.1° Vertical
31.4° Diagonal | 26.3° Horizontal | 17.7° Vertical
Aperture
f/1.4 ~ f/16
f/1.8 ~ f/22
Autofocus
Yes
Yes
Focal Length
85 mm
77 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
Yes
No
Performance
Max Magnification
0.12x
0.14x
Min Focus Distance
850 mm / 33.46 in
700 mm / 27.56 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2020-05-27
2021-02-24
Reviews
Neofiliac score
68%
68%
Pros
- Bright maximum aperture
- Weather-sealed
- Premium design and construction
- Rather compact
- Beautifully crafted
- Comes with physical aperture ring
- Good image quality
- Smooth rendering
Cons
- Large diameter
- On the heavy side
- Lacks weather sealing
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