Sigma 105mm F1.4 DG HSM A is a Fixed aperture Auto Focus (AF)
Telephoto Prime lens with 35mm FF max sensor coverage, and it is designed to be used with
L Mount cameras.
The Sigma 105mm F1.4 DG HSM A is also available in the Canon EF , Nikon F (FX), Sigma SA and Sony E mounts.
What type of photography is the Sigma 105mm F1.4 DG HSM A lens good for?
The choice of photography type for which you intend to use the Sigma 105mm F1.4 DG HSM A is a crucial decision factor. Below, we have assessed its suitability for various photography scenarios:
Sigma 105mm F1.4 DG HSM A is a member of Sigma's Art series of lenses. Below you can see the latest lenses in this series.
Sigma Art Series Lenses in Leica L Mount
Reasons to Buy the Sigma 105mm F1.4 DG HSM Art Lens
Here we've included a summary of the advantages and disadvantages of the Sigma 105mm F1.4 DG HSM Art lens in a list form to assist you in determining whether it offers the features you need.
| Weather-sealed |
| Autofocus |
| Distance Scale |
| DoF(Depth of Field) Scale |
| Hood supplied |
| Tripod Collar |
| Full-time Manual Focusing |
| Very Fast Aperture |
| Covers Full-Frame Sensor |
| 9 Diaphragm Blades for Smooth Bokeh |
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Lens Mount
Sigma 105mm F1.4 DG HSM A is compatible with cameras that have a Leica L lens mount. Some of the latest released cameras that are compatible with the Leica L lenses are Leica SL3-P, Panasonic S1 II and Panasonic S1 IIE.
Size, Weight and Filter Thread
The size and weight are crucial factors to consider when searching for your next lens. Sigma 105mm F1.4 DG HSM A has a maximum diameter of 116mm and a total length of 132mm. It weighs 1645g / 58.0 oz.
Check the size of the Sigma 105mm F1.4 DG HSM A when attached to L Mount cameras:
Sigma 105mm F1.4 DG HSM A Size with L Mount Cameras
Sigma 105mm F1.4 DG HSM A has a filter thread of 105mm. Below are links to the filters that we recommend you to consider for your Sigma 105mm F1.4 DG HSM A:
You can also check All Leica L Mount Lenses with 105mm Filter Thread Size to find the matching lenses.
Focal Range
Sigma 105mm F1.4 DG HSM A has a fixed focal length of 105mm.
Weather Sealings
The Sigma 105mm F1.4 DG HSM A is a weather-sealed lens, which provides extra protection to prevent water and dust get inside the lens and camera body under light rain, snow and wind. In order to have effective protection, you have to pair the Sigma 105mm F1.4 DG HSM A with a weather-sealed camera body such as the Leica SL3-P, Panasonic S1 II and Panasonic S1 IIE.
Tripod Collar
With a total length of 132mm and a weight of 1645g, the Sigma 105mm F1.4 DG HSM A is a large lens. Fortunately, it comes with a tripod collar which you can use to attach the lens directly to a tripod or monopod instead of attaching the camera. This connection helps to better balance the lens/kit combination.
Maximum Magnification Ratio
Sigma 105mm F1.4 DG HSM A has a Max Magnification Ratio of 0.12x with a minimum focusing distance of 1m. 0.12x ratio is quite low, making this lens unsuitable even for modest close-up photography.
Below are the 3 Telephoto Prime type Leica L mount lens alternatives with highest max magnification ratios:
Aperture
The Sigma 105mm F1.4 DG HSM Art features a maximum aperture of F1.4 and can be stopped down to a minimum aperture of F16. With an exceptionally wide F1.4 maximum aperture, this lens excels in challenging low-light environments, letting you shoot at lower ISO speeds to keep images clean and noise-free. The combination of a longer 105mm focal length and a bright F1.4 opening makes it incredibly easy to isolate your subject, melting away busy backgrounds into smooth, professional bokeh. Stopping down to F16 gives you plenty of sweep for landscapes or outdoor group shots where you need everything sharp from front to back.
Optical Formula
Sigma 105mm F1.4 DG HSM A's optical formula consists of 17 elements in 12 groups . The following special elements are used in this design:
- 3 FLD glass elements
- 2 SLD glass elements
- 1 aspherical lens element
Lens Hood
Sigma 105mm F1.4 DG HSM A comes with a removable lens hood which is handy to reduce lens flare and glare in your photos.
Body Colour
Sigma 105mm F1.4 DG HSM A is available in Black color.
Popular Comparisons of Sigma 105mm F1.4 DG HSM A
Here are the 8 most popular comparisons of the Sigma 105mm F1.4 DG HSM A amongst Camera Decision readers.
Top Alternatives of Sigma 105mm F1.4 DG HSM A Lens
In addition, it would be interesting to check which lenses from other mounts are most commonly compared with the Sigma 105mm F1.4 DG HSM Art.
Top Alternatives of Sigma 105mm F1.4 DG HSM A in Other Lens Mounts
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