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lens:dzo_filmx-tract18-28mmt8

DZOFILM X-tract FF Probe Zoom 18-28mm T8

Summary

The DZOFilm X-Tract 18–28mm T8 is a full-frame probe zoom lens designed for macro and specialty cinematography, offering a parfocal zoom range from 18 to 28mm with a constant T8 aperture. It delivers up to 2.1:1 magnification with a minimum working distance of 6mm from the front element and a minimum focus distance of 47.3cm from the sensor. The optical design includes 7 high-refractive and 6 low-dispersion elements to minimize distortion (±2%), chromatic aberration, and focus breathing (~0.5% at 24mm), while maintaining over 70% relative illumination. Mechanically, the lens weighs approximately 1.09kg, features standard 0.8 mod gears, a ±300° focus throw, and is built with anodized aluminum. It is available in multiple configurations, including straight, 90°, and 360° probe variants. The 360° version includes a rotating periscope and prism for variable viewing angles. The lens is IP57-rated for dust and water resistance up to 28cm and functions in temperatures from –30°C to 70°C. It comes in PL mount and includes accessories such as a UV filter, support bracket, and case, with pricing around $3,499–3,799 depending on configuration.

Tech Specs

Manufacturer DZOFILM
Series Probe Zoom
Model X-tract
Focal Length 18-28mm
Max Aperture T8
Min Aperture T45
Format -
Image Circle 43.2mm
Minimum Focus 1ft 7in (from sensor plane), 6mm (from lens front)
Focus Rotation 300°
Iris Blades 10
Optical Design Direct:25/18, 90° Periscope:26/19, 360° Periscope:27/20
Squeeze none
Front Diameter Direct:29.6mm
Filter Thread -
Focus/Zoom Rod none
Native Mount PL
Data Protocol none
Length Direct:415mm
Weight Direct:1090g, 90° Periscope:1132g, 360° Periscope:1144g
Body Telescope none
Body Material Aluminum
Focus Drive Manual
Iris Drive Manual
Zoom Drive Manual

History

Country of Origin: China
Release Date: -
Launch Price: -
Design Revisions:

Service

Cine-Mod

Notes

Media

lens/dzo_filmx-tract18-28mmt8 [.txt] · Last modified: 2025-11-05 / 11:15:37 am PST by JR