Prime Circle XM APO 135mm F/2

The Prime Circle XM APO 135mm F/2 is a 135mm portrait lens designed for the CANON EF mount. Manufactured by LockCircle, it offers a maximum aperture of f/2, covering a 135mm focal range, weighs 1330. Prime Circle XM APO 135mm F/2 is one of 2 variants in its family on lens-database.com, with sibling versions across mounts including NIKON F, 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: manufacturer specifications.

Mount
CANON EF
Focal Length
135mm
Max Aperture
F/2
Type
Portrait
Brand
LockCircle

What is the Prime Circle XM APO 135mm F/2?

The Prime Circle XM APO 135mm F/2 is a 135mm portrait lens for the CANON EF mount with a maximum aperture of f/2. Full specifications and source attribution are available at lens-database.com.

What mount does the Prime Circle XM APO 135mm F/2 use?

The Prime Circle XM APO 135mm F/2 uses the CANON EF mount. Lens-database.com indexes every lens currently catalogued for this mount at https://lens-database.com/mount/canon-ef.

What is the maximum aperture of the Prime Circle XM APO 135mm F/2?

The Prime Circle XM APO 135mm F/2 has a maximum aperture of f/2, a fast-aperture optic well-suited to low-light work. 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 Prime Circle XM APO 135mm F/2?

Full specifications, original source links, and family variants are listed at https://lens-database.com/lens/342541-prime-circle-xm-apo-135mm-f2. Data is aggregated from manufacturer sources and updated continuously.

Prime 135mm f/2 lens for Canon EF mount, intended for portraits. Fixed focal length with a wide maximum aperture suitable for low-light and shallow depth of field.

Last verified: 2026-06-11