LockCircle PRIME CIRCLE XM 21mm f/2.8 Lens (EF Mount, Marked in Feet)

LockCircle PRIME CIRCLE XM 21mm f/2.8 Lens (EF Mount, Marked in Feet)

LockCircle PRIME CIRCLE XM 21mm f/2.8 Lens (EF Mount, Marked in Feet)

B&H # LOPCXM2128F MFR # PCXM21/2,8-F
LockCircle PRIME CIRCLE XM 21mm f/2.8 Lens (EF Mount, Marked in Feet)

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Product Highlights

  • Covers Full-Frame Sensors
  • Rehoused Zeiss Optics
  • Manual Focus, Manual Aperture
  • Dual Focus Scales
  • Cine-Style Geared Focus Ring
  • 95mm Front
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LockCircle PCXM21/2,8-F overview

  • 1Description

Based on Zeiss ZF.2 optics, the PRIME CIRCLE XM 21mm f/2.8 Lens from LockCircle covers full-frame sensors with a cine-style housing, featuring expanded focus markings for accurate focus control. The lens sports manual focus and iris and incorporates a Canon EF (EOS) mount, which can be swapped out for a Nikon F mount (not included).

This rehousing of the ZF.2 still lens creates a cine-style lens complete with dual focus scales, one on each side of the lens, and adds a cine-tyle geared focus ring. The lens itself has a maximum diameter of 97mm with a front outer diameter of 95mm, making it compatible with many matte boxes. Each lens in the PRIME CIRCLE XM series features a 95mm diameter front for quick lens swaps.

Featuring Zeiss still photo optics that have been rehoused into a cinema-style lens that is engineered to withstand the rigors of cinema production. The lens maintains the full-frame coverage of its original still photo construction, making it suitable for use with DSLRs as well as digital cinema cameras with EF mounts.
The XM lenses feature manual aperture control to go along with the manual focus ring. Both the iris and focus control rings incorporate 0.8 MOD cinema-style gears.
The cinema-style housing provides expanded focus scales on both sides of the lens, so your focus puller can work on either side of the camera and still enjoy highly accurate focus marks.
The lens incorporates an M 90 x 1.0 front filter thread.
In the Box
LockCircle PRIME CIRCLE XM 21mm f/2.8 Lens (EF Mount, Marked in Feet)
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    LockCircle PCXM21/2,8-F specs

    Coverage Full-Frame
    Mount EF
    Focal Length 21mm
    Aperture f/2.8 to 22
    Close Focus Distance 0.82' / 0.25 m
    Object Dimensions at M.O.D. 7.1 x 4.7" / 180 x 120 mm
    Angular Field of View H: 81°
    V: 59°
    D: 90°
    Lens Gears Focus: 0.8 MOD
    Iris: 0.8 MOD
    Front Lens Diameter 95 mm
    Front Filter Thread Size M 90 x 1.0
    Elements/Groups 16 elements/13 groups
    Dimensions (Ø x L) 3.8 x 4.8" / 97 x 122 mm
    Weight 36.4 oz / 1,031 g

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