Tokina AT-X 17-40mm f/3.5-4.5 vs 240 24-40mm f/2.8
Both are Pentax K zoom lenses. Here is what actually differs.
Pick the 17-40mm f/3.5-4.5 if
- You want a wider view: 17mm vs 24mm at the wide end
Pick the 240 24-40mm f/2.8 if
- You need ⅔ stop more light for low light or background blur (f/2.8 vs f/3.5)
Spec differences
12 differences| 17-40mm f/3.5-4.5 | 240 24-40mm f/2.8 | |
|---|---|---|
| Format |
not listed
|
Full frame
|
| Focal length |
17-40mm
|
24-40mm
|
| Max aperture |
f/3.5
|
f/2.8
⅔ stop faster
|
| Weight |
not listed
|
520 g
|
| Length |
not listed
|
78 mm
|
| Diameter |
not listed
|
76 mm
|
| Filter thread |
not listed
|
72 mm
|
| Min focus distance |
not listed
|
0.4 m
|
| Aperture blades |
not listed
|
7
|
| Optical design |
not listed
|
17 elements / 13 groups
|
| Autofocus motor |
not listed
|
Manual focus
|
| Image stabilization |
not listed
|
No
|
3 identical specs hidden: brand, mount, type. Show all
- Brand
- Tokina both
- Mount
- Pentax K both
- Type
- Zoom both
Our notes
Tokina AT-X 17-40mm f/3.5-4.5
The Tokina AT-X 17-40mm f/3.5-4.5 is a wide-angle zoom lens covering 17-40mm at f/3.5-4.5 for Pentax K mount cameras. It covers wide angles for landscapes, interiors and architecture.
Our notes
Tokina AT-X 240 24-40mm f/2.8
More comparisons
Tamron AF 28-300mm F/3.5-6.3 XR Di LD Aspherical (IF) Macro vs Tokina AT-X 17-40mm f/3.5-4.5
more reach (300mm) vs wider (17mm)
Pentax smc DA* 16-50mm F2.8 ED AL (IF) SDM vs Tokina AT-X 240 24-40mm f/2.8
wider (16mm) vs 45 g lighter
Pentax smc Pentax-DA Fish-Eye 10-17mm f/3.5-4.5 ED IF vs Tokina AT-X 17-40mm f/3.5-4.5
wider (10mm) vs more reach (40mm)
Tamron SP AF 17-50mm F/2.8 XR Di II LD Aspherical (IF) vs Tokina AT-X 240 24-40mm f/2.8
wider (17mm) vs covers full frame
Pentax smc Pentax-DA 18-55mm f/3.5-5.6 AL vs Tokina AT-X 17-40mm f/3.5-4.5
more reach (55mm) vs wider (17mm)
Pentax smc Pentax-DA* 16-50mm f/2.8 ED AL IF SDM vs Tokina AT-X 240 24-40mm f/2.8
wider (16mm) vs covers full frame