CHIOPT XTREME ZOOM 28-85mm T3.2 Compact Zoom Cine Lens (EF Mount)

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Product Overview


  • 28-85mm Lens Covers Full-Frame Sensors
  • 9-Blade Iris, T3.2-T22 Aperture
  • 288° Focus Ring Rotation
  • 114mm Front Diameter
  • 96° Zoom Ring Rotation
  • Parfocal Design to Zoom & Maintain Focus
  • Minimal Lens Breathing Distortion
  • Minimum Focus Distance of 15.7"
  • Focus Scales Visible in Meters & Feet

Maintain sharp focus during slow, cinematic zooms for high-end commercial or 8K feature footage with the EF-mount XTREME ZOOM 28-85mm T3.2 Compact Zoom Cine Lens from CHIOPT. Designed for full-frame cameras, this parfocal lens ensures minimal breathing distortion and natural, rounded bokeh.

Focus scales are displayed in both meters and feet, eliminating the need for units of measurement conversions on set. To facilitate precise focus pulling, its ring has a 288° range, either by hand or remotely via the 0.8M gear of a follow focus system (available separately).

46mm Image Circle

This 28-85mm lens has a 46mm image circle that covers a full-frame sensor. When mounted on a camera with a Super35 sensor, it provides you with a tighter shot than if mounted on a camera with a full-frame sensor.

Protection from Rain and Dust

This lens has material in the gaps of the metal housing to help minimize the infiltration of dust or water.

288 Degree Focus Ring

The 288 degree span of the focusing ring helps the crew land on just the right focal plane.

Minimal Breathing Effect

Rack focuses do not suffer from an exaggerated distortion in the foreground or background due to lens breathing.

Parfocal Design

Achieve signature zoom effects, keeping your subject perfectly in focus.

9-Blade Iris

The 9-blade iris creates rounded bokeh in the out-of-focus highlights.

15.7" Focusing Distance

A minimum focusing distance of 15.7" allows you to get up close to your subject.


Focal Length 28 to 85mm
Lens Mount ARRI PL
Lens Format Coverage Full Frame
Image Circle 46.0 mm
Maximum Aperture T3.2
Minimum Aperture T22
Diagonal Angle of View Full Frame: 75 to 21°
Horizontal Angle of View Full Frame: 65 to 17.5°
Minimum Focus Distance From Front of Lens: 15.7" / 0.4 m
Diaphragm Blades 9
Gear MOD & Pitch Focus: 0.8 MOD / 32 Pitch
Front Diameter 114 mm
Filter Thread None
Focus Scales Metric, Imperial
Focus Rotation 288°
Iris Rotation 84°
Zoom Rotation 96°
Zoom Ratio 3x
Electronic Communication No
Image Stabilization No
Lens Support None
Dimensions (W x H) 4.5 x 9.0" / 114 x 228 mm
Length 9" / 228 mm
Weight 6 lb / 2.7 kg


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