Looking to find more information regarding these two camera lenses? Check out our side by side comparison of the Samyang 35mm F1.4 AS UMC vs Pentax smc DA 40mm F2.8 XS Lensto review specs, pros and cons, and which is right for you.
Samyang 35mm F1.4 Top Features
- 35mm Focal Range
- F1.4 Max Aperture
- Filter Thread: 77mm
- Max Format: 35mm FF
- Pentax KAF Mount
- Weight: 660g.
- Diameter: 63mm
- Length: 112mm
- Min Focus Distance:0.3m
Pentax 40mm F2.8 XS Lens Top Features
- 40mm Focal Range
- F2.8 Max Aperture
- Max Format:
- Pentax KAF Mount
- Weight: 45g.
- Diameter: 63mm
- Length: 9mm
- Min Focus Distance:0.4m
- Max Magnification:0.13x
Our Winner: Samyang 35mm F1.4 AS UMC over Pentax smc DA 40mm F2.8 XS Lens
Focal Length – Wide
35mm
vs
40mm
5mm Wider coverage
Max Aperture – Wide
1.4
vs
2.8
Wider aperture at wide end
Max Aperture – Tele
1.4
vs
2.8
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
Aperture Ring
Yes
vs
No
able to adjust the aperture on the lens
Max Sensor Coverage
35mm FF
vs
APS-C / DX
covers larger sensors
Minimum Focus Distance
0.3m
vs
0.4m
can focus closer to the subject
Focal Length – Tele
40mm
vs
35mm
5mm more Tele coverage
Autofocus
Yes
vs
No
Easier, faster and more accurate focusing
Weight
45g
vs
660g
615g lighter
Length
9mm
vs
112mm
103mm shorter
Max Magnification
0.13x
vs
x
higher magnification better for close-up shots
Samyang 35mm F1.4 vs Pentax 40mm F2.8 XS Lens Specs Table
General
Samyang 35mm F1.4
Pentax 40mm F2.8 XS Lens
Brand
Samyang
Pentax
Lens Type
Prime
Prime
Price
CHECK PRICE
CHECK PRICE
Lens Type
Wideangle Prime
Standard Prime
Lens Mount
Pentax KAF
Pentax KAF
Max Format
35mm FF
APS-C / DX
Focal Range
35mm
40mm
Image Stabilization
No
No
Colour
Unknown
Black
Zoom Method
No Zoom
No Zoom
Power Zoom
No
No
Zoom Lock
No
No
Zoom Ratio
1.0X
1.0X
Aperture
Max Aperture
F1.4
F2.8
Min Aperture
F22.0
F22.0
Aperture Ring
Yes
No
Diaphragm Blades
unknown
unknown
Optics
Optical Elements
12
5
Optical Groups
10
4
Special Elements
2 high-refraction glass elements 1 aspherical element
unknown
Focusing
Min Focus Distance
0.3m
0.4m
Max Magnification
unknown
0.13X
Autofocus
No
Yes
AF Motor Type
None
Screw drive from camera
Full Time Manual
N/A
No
Focus Method
Unknown
Internal
Distance Scale
Yes
No
DoF Scale
Yes
No
Distance Scale
Yes
No
Focus Distance Limiter
Unknown
Unknown
Physical Specs
Weight
660g
45g
Diameter
63mm
63mm
Length
112mm
9mm
Materials
Unknown
Unknown
Weather Sealing
Unknown
No
Filter Thread
77mm
Unknown
Filter Notes
–
–
Hood Supplied
Unknown
No
Hood Code
Unknown
Unknown
Tripod Collar
No
No
Optional Accessories
–
–
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