Tokina Contax/Yashica mount Telephoto Zoom
Tokina AT-X 100 100-300mm f/4
Quick answer
The Tokina AT-X 100 100-300mm f/4 is a short telephoto to telephoto telephoto zoom lens covering 100-300mm at f/4.0 for the Contax/Yashica mount. Its moderate maximum aperture works best in good light or with a higher ISO.
- Full frame
- APS-C (150–450mm equiv.)
- Micro Four Thirds (200–600mm equiv.)
- Other systems via mount adapter
- Focal
- 100–300mm
- Aperture
- f/4–32
- Weight
- 1220g
- Filter
- 77mm
- Min focus
- 2m
- AF motor
- None
What 100-300mm sees
- Full frame crop 1.0×
- 8.2–24.4° 6.9–20.4° horizontal
- APS-C crop 1.5× → 150–450mm
- 5.5–16.4° 4.6–13.7° horizontal
- Micro Four Thirds crop 2.0× → 200–600mm
- 4.1–12.3° 3.4–10.3° horizontal
Diagonal angle of view. Frames drawn to scale at 100mm (and 300mm). Calculated from the focal length and crop factor (adapted mount, so sensor size depends on your camera), not measured.
Open the field-of-view calculatorTokina AT-X 100 100-300mm f/4 specifications
Optics
- Focal length
- 100-300mm
- Maximum aperture
- f/4.0
- Minimum aperture
- f/32
- Format coverage
- Full frame
- Optical construction
- 16 elements in 12 groups
- Aperture blades
- 8
Focus
- Autofocus motor
- None
- Minimum focus distance
- 2 m
Physical
- Filter thread
- 77 mm
- Weight
- 1220 g
- Length
- 212 mm
- Diameter
- 80 mm
General
- Brand
- Tokina
- Mount
- Contax/Yashica
- Lens type
- Telephoto Zoom
Specification source: tokinalens.com
What can you shoot with the Tokina AT-X 100 100-300mm f/4?
At 100-300mm this is a short telephoto to telephoto telephoto zoom, which typically suits:
- Portraits with a flattering perspective
- Events and weddings
- Isolating subjects from the background
- Sports and action
- Wildlife and birds at moderate distance
Its moderate maximum aperture works best in good light or with a higher ISO.
Frequently asked questions
What mount does the Tokina AT-X 100 100-300mm f/4 use?
It uses the Contax/Yashica mount, so it fits Contax/Yashica cameras directly and can be used on other systems through a mount adapter.
What is the focal length of the Tokina AT-X 100 100-300mm f/4?
It zooms across 100-300mm with a maximum aperture of f/4.0. That makes it a short telephoto to telephoto lens.
Is the Tokina AT-X 100 100-300mm f/4 a prime or a zoom lens?
It is a zoom lens covering 100-300mm, so you can reframe without moving. Its maximum aperture is f/4.0.
What is the Tokina AT-X 100 100-300mm f/4 equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 150–450mm on full frame, with a 4.6–13.7° horizontal and 5.5–16.4° diagonal field of view. On Micro Four Thirds (2x crop) it frames like 200–600mm on full frame, with a 3.4–10.3° horizontal and 4.1–12.3° diagonal field of view. These figures are calculated from the focal length and crop factor.
Alternatives for Contax/Yashica from other brands
All Contax/Yashica lensesSame mount, overlapping focal range, closest maximum aperture first.
More Tokina lenses for Contax/Yashica
All Tokina lensesOther 100-300mm lenses
Browse by focal length: 100mm lenses, 300mm lenses