18°-36° Zoom Lens
With the advanced optical design technology, you no longer need to change lenses! The 18° - 36° stepless zoom lens allows you to fast and accurately control the light by smoothly rotating the focus adjusting twist lock with only one hand. This helps you change the angle and focus of the light, making it easy to change the shape of the light within the same distance.

Users don't have to purchase the aperture. Just mount this lens on the monolight to change light size and sharpness smoothly and naturally, which brings you efficient and convenient shooting experience.
Spot Size Adjustment

Focus Change

1.7kg! Super Lightweight!
Thanks to SIRUI’s mature optical technology, it adopts integrated sealing design to this projector lens, making the lens extremely compact, only 1.7kg.

Multiple Usage Scenarios

This projector lens can be mounted on a light stand to increase stability via one mini lens support with 1/4"-20 threaded hole when this lens is used with a small and lightweight light.
*P1836A projector lens works well with COB light which is below 200W. It is suggested to turn down the light if the power is above 200W. Or, the projector lens may be damaged.

Compact and portable lens for easy transport, ideal for indoor and outdoor shooting. This lens can also be flexibly operated even in narrow situations.

This lens can also be flexibly operated even in narrow situations.

Precise Optical Design
Designed with precise optical lens and low reflection lens coating technology, this projector lens helps correct chromatic aberration and further increase resolution and sharpness and also reduce distortion. Besides, this lens can project more than 98% even light and sharp clear shadow.


Excellent Heat Dissipation
Strong aluminum alloy construction lens with heat-protective design and hollow design helps dissipate heat efficiently. When working with lights under 200W, the built-in heat dissipation system makes the temperature of this lens cover lower than similar products, which prevents your hands from being scalded when you are operating. And it makes the light system work normally, too.

Fixed Shutter Blades Better Cut Light
Four grooves are designed for easily inserting included shutter blades to cut or shape the light projected on the subject. And the fixed design shutter blades suit the grooves well.

Amazing Lighting Effects
Users can choose from 15 pieces of GOBO patterns and insert different GOBO patterns to the light to create various fantastic lighting effects, making the background rich.

Besides, the non-contact installation of GOBO patterns provides you with great convenience.

The GOBO pattern can be rotated freely, allowing you to get ideal and excellent lighting angle.

Creative and Colorful Light
Three filters are included - red, yellow and blue. It is possible to mount the filter on the 72mm threaded mount of this projector lens to offer colorful lighting effects and make shooting creative.

Please Note: This SIRUI stepless zoom lens compatible with lights below 200w output.
Specifications:
Dimensions: 305*157*118mm
Weight: 1.7KG
Beam Angle: 18°-36° Adjustable Angle
Color Temperature Accuracy: 95%
Package Contents:
1x SIRUI 18° - 36° Stepless Zoom Lens for COB Light
1x GOBO Holder
15x GOBO Pattern
3x Filter
1x Safety Box
1x Warranty Card