Quick answer
The Vivitar 100-500mm f/5.6 Zoom is a short telephoto to super telephoto telephoto zoom lens covering 100-500mm at f/5.6 for the Pentax K mount. Its smaller maximum aperture favours daylight shooting and keeps the lens compact.
About this lens
This 100-500mm f/5.6 telephoto zoom lens from Vivitar fits Pentax K mount cameras. The range suits sports, wildlife, events and portraits.
Vivitar 100-500mm f/5.6 Zoom specifications
- Brand
- Vivitar
- Mount
- Pentax K
- Focal length
- 100-500mm
- Maximum aperture
- f/5.6
- Lens type
- Telephoto Zoom
What can you shoot with the Vivitar 100-500mm f/5.6 Zoom?
At 100-500mm this is a short telephoto to super 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 smaller maximum aperture favours daylight shooting and keeps the lens compact.
Full-frame equivalent and field of view
Calculated from the focal length and crop factor. Not measured.
| Sensor | Crop | Equivalent | Horizontal FOV | Diagonal FOV |
|---|---|---|---|---|
| Full frame | 1.0x | 100–500mm | 4.1–20.4° | 5–24.4° |
| APS-C | 1.5x | 150–750mm | 2.7–13.7° | 3.3–16.4° |
Frequently asked questions
What mount does the Vivitar 100-500mm f/5.6 Zoom use?
It uses the Pentax K mount, so it fits Pentax K cameras directly.
What is the focal length of the Vivitar 100-500mm f/5.6 Zoom?
It zooms across 100-500mm with a maximum aperture of f/5.6. That makes it a short telephoto to super telephoto lens.
Is the Vivitar 100-500mm f/5.6 Zoom a prime or a zoom lens?
It is a zoom lens covering 100-500mm, so you can reframe without moving. Its maximum aperture is f/5.6.
What is the Vivitar 100-500mm f/5.6 Zoom equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 150–750mm on full frame, with a 2.7–13.7° horizontal and 3.3–16.4° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Vivitar 100-500mm f/5.6 Zoom fit?
Any Pentax K-mount camera, including Pentax K-1, Pentax K-3, Pentax K-3 II, Pentax K-3 Mark III, and Pentax K-30 and 15 more.
Alternatives for Pentax K from other brands
All Pentax K lensesSame mount, overlapping focal range, closest maximum aperture first.
More Vivitar lenses for Pentax K
All Vivitar lensesOther 100-500mm lenses
Browse by focal length: 100mm lenses, 500mm lenses