Compare Pentax DA 50mm F1.8 vs Pentax-FA 43mm F1.9
Construction
Aperture Blades
8 blades
8 blades
Colors
Black
Black, silver
Form Factor
Normal Prime Lens
Normal Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Pentax K-mount
Pentax K-mount
Material
Aluminum
Motor
Ultrasonic
Screw drive from camera
Optical Formula | Elements
6 elements
7 elements
Optical Formula | Groups
5 groups
6 groups
Optical Formula | Special Glass
HD + Super Protect coatings groups
Dimensions
Filter Diameter
52 mm / 2.05 in
49 mm / 1.93 in
Size | Diameter
63 mm / 2.48 in
64 mm / 2.52 in
Size | Length
39 mm / 1.54 in
27 mm / 1.06 in
Weight
122 g / 4.31 oz
155 g / 5.48 oz
Function
Angle Of View
46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical
53.4° Diagonal | 45.4° Horizontal | 31.2° Vertical
Aperture
f/1.8 ~ f/22
f/1.9 ~ f/22
Autofocus
Yes
Yes
Focal Length
50 mm
43 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
No
Performance
Max Magnification
0.12x
Min Focus Distance
450 mm / 17.72 in
Production
Accessory
Lens Hood: RH-RA (sold separately)
Lens hood included
Debut
2012-05-21
2021-02-24
Reviews
Neofiliac score
59%
68%
Pros
- Very compact and lightweight
- Comes with physical aperture ring
- Compact and lightweight
- Comes with physical aperture ring
Cons
- Lens hood not included
- Lacks weather sealing
- Basic construction
- Not the strongest in IQ
- Lacks weather sealing
- Expensive for a pancake lens
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