Photo: alf sigaro (CC BY-SA 2.0)
Ultron 40mm f/2 SL IIS Aspherical
- 40mm
- f/2.0
- Prime
- Min focus 0.25 m
Quick answer
The Voigtlander Ultron 40mm f/2 SL IIS Aspherical is a standard prime lens covering 40mm at f/2.0 for the Micro Four Thirds mount. Its fast maximum aperture helps in dim light and gives good subject separation.
About this lens
This 40mm f/2 fast standard prime lens from Voigtlander fits Micro Four Thirds mount cameras, with aspherical elements. The natural field of view suits street, documentary and everyday photography.
Voigtlander Ultron 40mm f/2 SL IIS Aspherical specifications
- Brand
- Voigtlander
- Mount
- Micro Four Thirds
- Focal length
- 40mm
- Maximum aperture
- f/2.0
- Lens type
- Prime
- Optical construction
- 6 elements in 5 groups
- Aperture blades
- 9
- Autofocus motor
- none
- Minimum focus distance
- 0.25 m
- Filter thread
- 52 mm
Specification source: cosina.co.jp
What can you shoot with the Voigtlander Ultron 40mm f/2 SL IIS Aspherical?
At 40mm this is a standard prime, which typically suits:
- Everyday and street photography
- Natural-perspective portraits
- Documentary and travel work
Its fast maximum aperture helps in dim light and gives good subject separation.
Full-frame equivalent and field of view
Calculated from the focal length and crop factor. Not measured.
| Sensor | Crop | Equivalent | Horizontal FOV | Diagonal FOV |
|---|---|---|---|---|
| Micro Four Thirds | 2.0x | 80mm | 25.4° | 30.3° |
Frequently asked questions
What mount does the Voigtlander Ultron 40mm f/2 SL IIS Aspherical use?
It uses the Micro Four Thirds mount, so it fits Micro Four Thirds cameras directly.
What is the focal length of the Voigtlander Ultron 40mm f/2 SL IIS Aspherical?
It is a fixed 40mm lens with a maximum aperture of f/2.0. That makes it a standard lens.
Is the Voigtlander Ultron 40mm f/2 SL IIS Aspherical a prime or a zoom lens?
It is a prime lens with a fixed 40mm focal length. Primes usually open wider than zooms; this one opens to f/2.0.
What is the Voigtlander Ultron 40mm f/2 SL IIS Aspherical equivalent on a crop sensor?
On Micro Four Thirds (2x crop) it frames like 80mm on full frame, with a 25.4° horizontal and 30.3° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Voigtlander Ultron 40mm f/2 SL IIS Aspherical fit?
Any Micro Four Thirds-mount camera, including OM System OM-1, OM System OM-1 Mark II, OM System OM-5, Olympus OM-D E-M1, and Olympus OM-D E-M1 Mark II and 24 more.
Alternatives for Micro Four Thirds from other brands
All Micro Four Thirds lensesSame mount, overlapping focal range, closest maximum aperture first.