Modern camera lenses are full of designations and acronyms. Here are some short explanations.
Canon
Canon autofocus lenses are available for … and …
| DS | |
| IS | |
| L | Professional grade lens |
| STM | |
| USM | |
| VCM | Voice Coil Motor, linear focusing motor |
| Z |
Fujifilm
Fujifilm Fujinon autofocus lenses are available for …
| APD | Apodization, smoother bokeh |
| LM | Linear Motor |
| OIS | Optical Image Stabilization |
| PZ | Power Zoom |
| R | Ring, manual aperture control |
| WR | Weather Resistance |
| XC | X series Compact lens, more affordable series |
| XF | X series lens |
https://fujifilm-x.com/en-us/series/fundamentals-of-photography/lens-names-explained/
Leica
Leica Camera AG, Wetzlar, Germany
Leica autofocus lenses are available for L-mount and L-mount APS-C cameras (among several others).
| APO | Apochromatic lens with higher contrast and very low color fringes |
| ASPH | Aspherical lens |
Nikon
Nikon, Tokyo, Japan
| MC | Macro |
| S | Professional grade lens |
| SE | Special Edition, retro design or otherwise special lens |
| VR | Vibration Reduction, image stabilizer |
| Z | Z mount lens |
OM System (Olympus)
OM System M.Zuiko autofocus lenses are available for Micro Four Thirds cameras.
| MSC | |
| M.Zuiko | |
| PRO | professional grade lens |
Panasonic
Panasonic autofocus lenses are available for L-mount and Micro Four Thirds cameras.
| Leica | Professional grade lens, designed by Leica (MFT) |
| Lumix G | MFT lens |
| Lumix S | L-mount lens |
| PRO | Professional grade lens (L-mount) |
Samyang
Samyang autofocus lenses are available for …
| AF | Autofocus |
| E | E mount APS-C lens |
| FE | E mount full frame lens |
| II | 2nd generation |
| L | L mount lens |
| X | X mount lens |
Sigma
Sigma autofocus lenses are available for Canon EF-M, Canon RF-S, Fujifilm X, Nikon Z DX, Micro Four Thirds, L-Mount APS-C, L-Mount, Sony E and Sony FE cameras.
| Art | Professional grade lens |
| Contemporary | Consumer grade lens |
| DC | APS-C or MFT lens |
| DG | Full-frame lens |
| DN | Lens for mirrorless cameras |
| OS | |
| Sports | Lens for distant fast action |
Sirui
Sony
Sony autofocus lenses are available for …
| E | APS-C lens |
| FE | Full frame lens |
| G | |
| GM | G Master, premium G Master series |
| LE | Light Edition, particularly light and small lens |
| OSS | Optical Steady Shot, image stabilizer |
| PZ | Power Zoom |
| STF | Smooth Trans Focus, graduated neutral-gray filter element for smooth bokeh |
| ZA | Carl Zeiss lens |
Tamron
Tamron autofocus lenses are available for …
| Di III | Lens for mirrorless cameras |
| Di III-A | Lens for mirrorless APS-C cameras |
| G2 | Generation 2 |
| RXD | Rapid eXtra-silent Drive, stepper motor |
| VC | Vibration Compensation, image stabilizer |
| VXD | Voice-coil-eXtreme-torque-Drive, linear focus motor |
Tokina
Tokina autofocus lenses are available for Fujifilm X, Sony FE and Sony E cameras.
| atx-m | Advanced Technology Mirrorless series lens |
| E | E mount lens (APS-C) |
| FE | E mount lens (full frame) |
| X | X mount lens |
TTArtisan
TTArtisan Tech (HK) Co., Limited, Shenzhen, China
TTArtisan autofocus lenses are available for Fujifilm X, Nikon Z and Sony E cameras.
| AF | Autofocus |
| ED | Extra low Dispersion, special glass element |
Viltrox
Viltrox autofocus lenses are available for …
| AF | Autofocus |
| ASPH | |
| ED | |
| IF | |
| STM | |
| Z | Z mount lens |
Yongnuo
Yongnuo autofocus lenses are available for …
| DA | APS-C lens |
| DF | Full-frame lens |
| DSM | Digital Stepping Motor |
| Pro | |
| S | Sony E mount lens |
| WL | Wireless? |
| YN | |
| Z | Z mount lens |
Zeiss
Carl Zeiss AG, Oberkochen, Germany
Zeiss autofocus lenses are available for Fujifilm X, Sony FE and Sony E cameras.