Categories
Tokina AT-X 10-17/3.5-4.5 DX Fisheye for Pentax vs. Canon EF 50/1.8 STM + 9
Internal focusing
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Manual focus in AF mode (FTM)
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Supports autofocus
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Auto focus engine
Step motor
Ultrasound engine
Ultrasound engine
Ultrasound engine
Step motor
Electrical standard engine
Step motor
Ultrasound engine
Ultrasound engine
Ultrasound engine
Filter thread
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Filter diameter
49 mm
77 mm
77 mm
77 mm
67 mm
67 mm
67 mm
77 mm
82 mm
77 mm
Format
Full-frame (35mm)
Full-frame (35mm)
Full-frame (35mm)
Full-frame (35mm)
APS-C (crop)
Full-frame (35mm)
Full-frame (35mm)
Full-frame (35mm)
Full-frame (35mm)
Full-frame (35mm)
Lens mount system
Pentax K
Canon EF
Canon RF
Canon EF
Sony E (NEX)
Sony E (NEX)
Sony E (NEX)
Sony E (NEX)
Canon EF
Canon EF
Canon EF
Diameter
69.2 mm
83.5 mm
88.8 mm
83.4 mm
72.2 mm
78 mm
73 mm
84 mm
88.5 mm
94 mm
Length
39.3 mm
107.3 mm
199 mm
113.3 mm
92.3 mm
82 mm
117.8 mm
118 mm
113 mm
193 mm
Product weight
160 g
700 g
1480 g
663 g
405 g
371 g
550 g
795 g
805 g
1640 g
Tripod mount
No
No
Yes
No
No
No
No
No
No
Yes
Weather proof (moisture/dust)
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Construction
Zoom
Fixed
Zoom
Zoom
Zoom
Fixed
Fixed
Zoom
Zoom
Zoom
Zoom
Motorised zoom
No
No
No
No
No
No
No
Zoom mechanism
Internal
Expanding
Expanding
Expanding
Expanding
Expanding
Type of lens
Fisheye
Normal
Tele
Wide angle, Normal
Wide angle
Tele, Normal
Wide angle, Normal
Tele, Wide angle, Normal
Normal
Tele
Focal length (physical)
10 - 17 mm
50 mm
24 - 105 mm
70 - 200 mm
24 - 105 mm
16 mm
85 mm
28 - 75 mm
24 - 105 mm
24 - 70 mm
100 - 400 mm
Image stabiliser
No
Yes
Yes
Yes
No
No
No
Yes
No
Yes
Magnification ratio (1:x)
4.76
4.16
4.76
3
9.9
7.69
4
4.17
4.76
3.23
Maximum aperture (wide-angle - telephoto)
3.5 - 4.5
1.8
4
2.8
4
1.4
1.8
2.8
4
2.8
4.5 - 5.6
Minimum focus distance (wide angle-tele)
0.35 m
0.45 m
1.2 m
0.38 m
0.25 m
0.8 m
0.19 - 0.39 m
0.45 m
0.38 m
0.98 m
Lens hood (included/ built-in)
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Release year
2015
2018
2018
2017
2017
2017
2018
2016
2012
2014