Voigtlander 40mm F2 SL II is a Fixed aperture Manual Focus (MF)
Standard Prime lens with 35mm FF max sensor coverage, and it is designed to be used with
KAF Mount cameras.
The Voigtlander 40mm F2 SL II is also available in the Canon EF and Nikon F (FX) mounts.
What type of photography is the Voigtlander 40mm F2 SL II lens good for?
The choice of photography type for which you intend to use the Voigtlander 40mm F2 SL II is a crucial decision factor. Below, we have assessed its suitability for various photography scenarios:
Voigtlander 40mm F2 SL II is a member of Voigtlander's Ultron series of lenses. Below you can see the latest lenses in this series.
Voigtlander Ultron Series Lenses in Pentax KAF Mount
Reasons to Buy the Voigtlander 40mm F2 Ultron SL II Lens
Here we've included a summary of the advantages and disadvantages of the Voigtlander 40mm F2 Ultron SL II lens in a list form to assist you in determining whether it offers the features you need.
| Aperture Ring |
| Distance Scale |
| DoF(Depth of Field) Scale |
| Hood supplied |
| Fast Aperture |
| Covers Full-Frame Sensor |
| 9 Diaphragm Blades for Smooth Bokeh |
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| No Weather Sealing |
| No Autofocus |
Lens Mount
Voigtlander 40mm F2 SL II is compatible with cameras that have a Pentax KAF lens mount. Some of the latest released cameras that are compatible with the Pentax KAF lenses are Pentax K-3 III Mono, Pentax KF and Pentax K-3 III.
Size, Weight and Filter Thread
The size and weight are crucial factors to consider when searching for your next lens. Voigtlander 40mm F2 SL II has a maximum diameter of 63mm and a total length of 25mm. It weighs 200g / 7.1 oz.
Voigtlander 40mm F2 SL II has a filter thread of 52mm. Below are links to the filters that we recommend you to consider for your Voigtlander 40mm F2 SL II:
You can also check All Pentax KAF Mount Lenses with 52mm Filter Thread Size to find the matching lenses.
Focal Range
Voigtlander 40mm F2 SL II has a fixed focal length of 40mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 60mm.
Optical Image Stabilization
Voigtlander 40mm F2 SL II doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).
Maximum Magnification Ratio
Voigtlander 40mm F2 SL II has a Max Magnification Ratio of 0.14x with a minimum focusing distance of 0.38m. 0.14x ratio is quite low, making this lens unsuitable even for modest close-up photography.
Below are the 3 Standard Prime type Pentax KAF mount lens alternatives with highest max magnification ratios:
Aperture
The Voigtlander 40mm F2 Ultron SL II features a maximum aperture of F2 and can be stopped down to a minimum aperture of F22. With an exceptionally wide F2 maximum aperture, this lens excels in challenging low-light environments, letting you shoot at lower ISO speeds to keep images clean and noise-free. At 40mm, this lens provides a natural perspective, and opening up to F2 offers clean background separation for typical everyday shooting. The minimum setting of F22 is excellent for deep depth of field work like macro photography, though you may want to avoid the absolute smallest settings to skip the sharpness loss caused by optical diffraction.
Optical Formula
Voigtlander 40mm F2 SL II's optical formula consists of 6 elements in 5 groups . The following special elements are used in this design:
- 1 aspherical element
- 1 high refraction glass element
Lens Hood
Voigtlander 40mm F2 SL II comes with a removable lens hood which is handy to reduce lens flare and glare in your photos.
Body Colour
Voigtlander 40mm F2 SL II is available in Black color.
Popular Comparisons of Voigtlander 40mm F2 SL II
Here are the 8 most popular comparisons of the Voigtlander 40mm F2 SL II amongst Camera Decision readers.
Top Alternatives of Voigtlander 40mm F2 SL II Lens
In addition, it would be interesting to check which lenses from other mounts are most commonly compared with the Voigtlander 40mm F2 Ultron SL II.
Top Alternatives of Voigtlander 40mm F2 SL II in Other Lens Mounts
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