ACHIEVE RAZOR-SHARP CIRCULAR BEAMS - With this Adjustable Iris you can create razor-sharp beams of light, like the tight spotlights used in live theater. Using the focus control on the Forza Projector with FM Mount (sold separately and required for use) you can make the beam soft and blurry as well. ADJUST THE SIZE OF THE BEAM - A lever lets you easily adjust the size of the beam from a tiny, tight circle the size of a coin to as large as the lens on your projector will allow. EVEN MORE CONTROL - Created specifically for use in the Nanlite Forza Projector with FM Mount, the Nanlite Forza Adjustable Iris Diaphragm enables full control over the light beam's size and shape. ADDED FLEXIBILTY - Features an 18-blade design and can be easily added or removed from the housing when needed throught the Projector Mount's drop-in slot. WE BELIEVE IN OUR QUALITY - Includes a 2-year limited warranty that you can extend to 3-years for free when you register online, with nearly 30 years of manufacturing photo and video lighting products, you can have confidence in our quality Overview Item Includes Nanlite Forza 60/60B Projector Mount Iris Created specifically for use in Nanlite's Forza 60/60B Projector Mounts, the Nanlite Forza 60/60B Projector Mount Iris enables full control over the light beam's size and shape. It features an 18-blade design and can be easily added or removed from the housing when needed throught the Projector Mount's drop-in slot. Warranty: Limited 2-Year Warranty (Extend to 3 Years Total With Online Registration) Mount: FM Mount Requires Speed Ring: Yes, FM Mount Inlcuded Light Modifier Bayonet Mount: FM Mount Includes Rechargeable Battery: No Battery Included: No Battery Required: No Product Inner Diameter (in) Ring Lights Only: N./A Lux / Foot Candles Product Height (cm) 0.8 Product Height (in) 0.3 Product Length (cm) 9 Product Length (in) 4 Product Weight (kg) 0.1 Product Weight (lb) 0.2 Product Width (cm) 14 Product Width (in) 5.5