PrimeCircle XT 21mm F2.8 Specifications

Compatibility:

4K analog/digital limited (dumb mount - aperture priority or manual modes only)

Horizontal Angle of View:

81°

Maximum Magnification:

 

Minimum Aperture:

F22 (de-clicked)

Number of Aperture Blades:

 

Iris Pattern:

 

Minimum Distance:

22cm

Filter Thread:

90mm

Front Diameter:

95mm

Maximum Diameter:

97mm

Length:

122mm

Weight:

849g

Focus Type:

internal focus mechanism with floating elements, manual focus only

Lens Hood:

Mat Box (optional)

Produced:

2012 by LockCircle

Tests:

 

Additional Information:

The PrimeCircle XT mods were based on ZF.2 lenses using the patented X-Circle EF Mount with Cine Lock (dumb mechanical mount). All lenses feature Side View Index (sideways orientation of aperture and focus scales) and a focus gear of 0.8 Mod standard.