Looking to find more information regarding these two camera lenses? Check out our side by side comparison of the Pentax smc DA 50mm F1.8 vs Pentax smc FA 50mm F1.4to review specs, pros and cons, and which is right for you.
Pentax 50mm F1.8 Top Features
- 50mm Focal Range
- F1.8 Max Aperture
- Filter Thread: 52mm
- Max Format: 35mm FF
- Pentax KAF Mount
- Weight: 122g.
- Diameter: 63mm
- Length: 39mm
Pentax FA 50mm F1.4 Top Features
- 50mm Focal Range
- F1.4 Max Aperture
- Filter Thread: 49mm
- Max Format:
- Pentax KAF Mount
- Weight: 220g.
- Diameter: 64mm
- Length: 38mm
- Min Focus Distance:0.45m
- Max Magnification:0.15x
Our Winner: Pentax smc DA 50mm F1.8 over Pentax smc FA 50mm F1.4
Weight
122g
vs
220g
98g lighter
Diameter
63mm
vs
64mm
1mm smaller in diameter
Minimum Focus Distance
m
vs
0.45m
can focus closer to the subject
Pros Of Pentax smc FA 50mm F1.4 over Pentax smc DA 50mm F1.8
Max Aperture – Wide
1.4
vs
1.8
Wider aperture at wide end
Max Aperture – Tele
1.4
vs
1.8
Wider aperture at tele end
Distance Scale
Yes
vs
No
Distance Scale to assist focusing
Depth-of-Field Scale
Yes
vs
No
Depth of Field scale to assist focusing
Length
38mm
vs
39mm
1mm shorter
Filter Thread
49mm
vs
52mm
Smaller filters are cheaper and easier to find
Max Magnification
0.15x
vs
x
higher magnification better for close-up shots
Cons Of Pentax smc DA 50mm F1.8 and Pentax smc FA 50mm F1.4
Image Stabilization
No
vs
No
Reliant on in-body Image Stabilization
Weather Sealing
No
vs
No
not safe under rain and dust
Pentax 50mm F1.8 vs Pentax FA 50mm F1.4 All Features
General
Pentax 50mm F1.8
Pentax FA 50mm F1.4
Brand
Pentax
Pentax
Lens Type
Prime
Prime
Price
CHECK PRICE
CHECK PRICE
Lens Type
Standard Prime
Standard Prime
Lens Mount
Pentax KAF
Pentax KAF
Max Format
35mm FF
35mm FF
Focal Range
50mm
50mm
Image Stabilization
No
No
Colour
Black
Black
Zoom Method
No Zoom
No Zoom
Power Zoom
No
No
Zoom Lock
No
No
Zoom Ratio
1.0X
1.0X
Aperture
Max Aperture
F1.8
F1.4
Min Aperture
F22.0
F22.0
Aperture Ring
Yes
Yes
Diaphragm Blades
8
8
Optics
Optical Elements
6
7
Optical Groups
5
6
Special Elements
unknown
unknown
Focusing
Min Focus Distance
unknown
0.45m
Max Magnification
unknown
0.15X
Autofocus
Yes
Yes
AF Motor Type
Screw drive from camera
Screw drive from camera
Full Time Manual
No
Focus Method
Internal
Unit
Distance Scale
No
Yes
DoF Scale
No
Yes
Distance Scale
No
Yes
Focus Distance Limiter
Unknown
Unknown
Physical Specs
Weight
122g
220g
Diameter
63mm
64mm
Length
39mm
38mm
Materials
Unknown
Unknown
Weather Sealing
No
Unknown
Filter Thread
52mm
49mm
Filter Notes
–
Does not rotate on focus
Hood Supplied
No
No
Hood Code
RH-RA
PH-SA49
Tripod Collar
No
No
Optional Accessories
–
–
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