ZERØ OPTIK Leica R 21mm F/4
The ZERØ OPTIK Leica R 21mm F/4 is a 21mm wide lens designed for the ARRI LPL mount. Manufactured by ZERØ OPTIK, it offers a maximum aperture of f/4, covering a 21mm focal range. ZERØ OPTIK Leica R 21mm F/4 is one of 4 variants in its family on lens-database.com, with sibling versions across mounts including CANON EF, ARRI PL, PL, making cross-mount comparison straightforward for buyers and researchers alike.
This lens record is part of the open public catalog at lens-database.com — a free, continuously updated database indexing 23,885+ photographic and cinematographic lenses with cross-referenced specifications. Data is aggregated from manufacturer datasheets and authoritative public sources, then normalized so lenses across vendors and eras can be compared on common terms. Released under CC BY 4.0, the specifications shown here may be quoted, cited, or reproduced with attribution to lens-database.com.
Last verified 2026-06-11. Source: aggregated from cinelenswiki.
- Mount
- ARRI LPL
- Focal Length
- 21mm
- Max Aperture
- F/4
- Type
- Wide
- Brand
- ZERØ OPTIK
What is the ZERØ OPTIK Leica R 21mm F/4?
The ZERØ OPTIK Leica R 21mm F/4 is a 21mm wide lens for the ARRI LPL mount with a maximum aperture of f/4. Full specifications and source attribution are available at lens-database.com.
What mount does the ZERØ OPTIK Leica R 21mm F/4 use?
The ZERØ OPTIK Leica R 21mm F/4 uses the ARRI LPL mount. Lens-database.com indexes every lens currently catalogued for this mount at https://lens-database.com/mount/arri-lpl.
What is the maximum aperture of the ZERØ OPTIK Leica R 21mm F/4?
The ZERØ OPTIK Leica R 21mm F/4 has a maximum aperture of f/4, a moderate-aperture design. Aperture is one of the cross-referenced fields used by lens-database.com to compare equivalent optics across mounts and eras.
Where can I find specifications for the ZERØ OPTIK Leica R 21mm F/4?
Full specifications, original source links, and family variants are listed at https://lens-database.com/lens/333580-zer-optik-leica-r-21mm-f4. Data is aggregated from manufacturer sources and updated continuously.
Leica’s reputation was built on rangefinder cameras and lenses, but their SLR lenses were under-appreciated for decades before the cinematography community rediscovered them. Rather than prioritizing technical perfection, Leica’s engineers balanced performance with subtle aberrations to ensure beautiful and detailed images. Leica R primes offer smooth bokeh, warm colors, and striking dimensionality. Within the R series are multiple families of lenses; Summilux, Summicron, and Elmarit, and each has its charms. We are happy to help each client find the combination that suits them best.
Last verified: 2026-06-11