The Chrosziel Mattebox 450W-R20 - HDSLR Kit 3 consists of a 450W-20 mattebox that offers wide angle (16:9/4:3) housing for lens as wide as 16mm (35mm Academy) and eliminates the effects of vignetting. Equipped with a filterstage for two independently rotating 4 x 5.65/4 x 4 filter holders, the mattebox provides sufficient space for adjusting the position of filters.
Provided with a French flag, the HDSLR Kit 3 controls the angle of light and eliminates lens glare and flare and it can be coupled with optional side wings for accurate light adjustment. To adapt to different HDSLR lens openings, the kit contains a 130:110mm step-down ring, a flexible 110:50-85mm ring made of elastic black polymer and a 130mm rear plate.
Equipped with a 0.8 pitch gear drive, a set of mechanical stops and markings on the focus scale, the Follow Focus feature with a VariLock handwheel offers precise repeatable focus pulls. The kit also comes with a focus gear drive and a flexible focus gear ring for precise focusing of lenses.
For secure mounting, the Mattebox 450W-20 includes a center bracket for use with the 15mm lightweight support rods. Using a tightening knob, you can attach the mattebox system to the 15mm lightweight support. An optional swing-away bracket, attached to the back of the mattebox housing allows for quick and efficient lens changes.