As part of the Art line within Sigma's Global Vision series, this lens is designed to achieve truly notable optical performance and is ideally suited for creative and artistic applications. |
Short-telephoto prime, this 105mm f/1.4 lens is designed for full-frame Sony E-mount mirrorless cameras, however can also be used with APS-C models where it will provide a 157.5mm equivalent focal length. |
Impressively bright f/1.4 maximum aperture is well-suited for working in low-light conditions and also provides greater control over the focus position when using shallow depth of field techniques. |
Three F Low Dispersion (FLD) and two Special Low Dispersion (SLD) elements are featured in the optical design, and help to reduce color fringing and chromatic aberrations for improved clarity and color accuracy. |
One aspherical element is used to help limit distortion and spherical aberrations and also contributes to greater overall sharpness and accurate rendering. |
Large 105mm-diameter front contributes to improved peripheral illumination in order to reduce vignetting. |
A Super Multi-Layer Coating has been applied to lens elements in order to minimize lens flare and ghosting and contribute to producing contrast-rich and color-neutral imagery, even in backlit conditions. |
Nine-blade rounded diaphragm contributes to a smooth and pleasing bokeh quality. |
The integrated HSM (Hyper Sonic Motor) realizes quick and quiet autofocusing, which is further complemented by an optimized AF algorithm to produce smoother focusing performance. The HSM also permits full-time manual focus control simply by rotating the focus ring at any time. |
The lens is constructed using a Thermally Stable Composite (TSC) material, along with traditional metals, for greater precision and use in wide temperature variations. |
The bayonet mount is constructed from brass for ensured accuracy and durability. Additionally, rubber sealing is incorporated in the mount design to render it dust- and splash-resistant. |
Protective coating has been applied to the front element and is both water and oil-repellent to aid in cleaning. |
Included rotating tripod collar features an Arca-type compatible foot for seamless use atop a tripod or monopod. This collar can also be removed from the lens, and a protective cover takes its place, for more comfortable handheld use. |
Lens hood is constructed from a carbon fiber reinforced plastic to remain lightweight yet exceptionally durable. |
E-Mount Lens/Full-Frame Format |
Aperture Range: f/1.4 to f/16 |
Three FLD Elements, Two SLD Elements |
One Aspherical Element |
Super Multi-Layer Coating |
Hyper Sonic AF Motor, Manual Override |
Weather-Sealed, Protective Front Coating |
Rounded 9-Blade Diaphragm |
Removable Rotating Arca-Type Tripod Foot |
17 Comments
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I use both Sony and Canon, and would love to be able to use this lens on my 5D Mark IV, but at this price, I think I'll just make the sacrifice and use it only on my a7RIV.
If you dont need it "now", when will you need it?
"Don't need right now" means that the person has a tight budget but would like to buy it. We all have different situations.. I would like to buy it, but I recently bought 85 1.4 and can't clarify the need for myself
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You could possibly find the105/1.4E used for about $1,100-1,400 though.
The reason the front element is so large for this focal length is because Sigma believes that there should be no compromises in order to get the best image quality. This is why Sigma's Art lenses are huge and heavy. The larger the element, the sharper the lens will be and this 105mm 1.4 is proof of that.
Sigma Art 1.4 85mm.
Unless you're worried about spaces too tight for the 135mm GM, I'd go with that. It's relatively small and light, the AF is great and the quality is fantastic.
The 105mm is a very particular-use beast of a lens. Great for portraits, but not nearly as responsive as the GM, and I'd really hate to lug it around all day