Industrial-Grade Sturdiness: With an outer diameter of 84mm and a substantial thickness of 9.4mm, this model is designed for heavy-duty applications. Its large size and robust construction provide excellent stability for large optical systems.
Exceptional Aperture Capacity: Offers a massive Enlargement Diameter range from 3mm to 52mm. This makes it suitable for controlling very wide light beams, such as those used in large-format projectors or industrial lighting setups.
Highly Secure Mounting System: The large 84mm diameter features numerous mounting holes distributed evenly around the perimeter. This ensures a rigid and precisely aligned mounting solution, capable of withstanding significant handling in industrial environments.
Precise Manual Adjustment: Equipped with a sturdy metal rod actuator, the device allows for smooth and precise manual control over the aperture blades, enabling accurate modulation of light intensity and beam shape.
Large-Format Projection Systems
Industrial Machine Vision Lighting
Optical Laboratory Experiments
Stage & Studio Lighting
Astronomical Telescope Accessories


Chengdu Century Huasha Trading Co., Ltd. (CCHT) is located in Chengdu which is the largest and most developed city in southwest China.
CCHT is a professional supplier of micro drive module, lens, camera module, etc.
CCHT supplies 1000+ products, services 100+ customers and exports to 40+ countries world-wide.
