# Title: Optoma BX-CTA12 Motorized Short Throw Lens for ZK1320 and ZK1120 ## Description: The Optoma BX-CTA12 motorized short throw lens is engineered for immersive large-venue installations, including dome projection and high-performance golf simulation. Its full lens memory function saves and instantly recalls zoom, focus, and lens shift positions for seamless operation. Designed for compatibility with Optoma ZK1320 and ZK1120 4K UHD+ projectors, as well as ZU2200, ZU1900, and ZU1700 Ultra Bright WUXGA models, this lens delivers exceptional versatility. It can produce sharp, detailed images ranging from 50 inches up to a massive 1,000 inches. With a motorized zoom capability and a throw ratio of 0.9 to 1.3:1 on compatible 4K projectors, the BX-CTA12 provides flexible placement options for any professional setting. Key Features Brand Optoma Model Number BX-CTA12 Product Type Projector Lens Net Weight 6.61 lbs Gross Weight 8.16 lbs UPC 796435071516 Throw Ratio (ZK1320/ZK1120) 0.9 ~ 1.3:1 Throw Ratio (UB Series WUXGA) 0.75 ~ 1.08:1 Min Throw Distance 3.18 ft Max Throw Distance 45.93 ft f-stop (min) 2.22 f-stop (max) 2.51 Focal Length 15.9 ~ 22.8 mm Min Screen Size 50 inches Max Screen Size 500 inches (Mechanical limit ~1,000) Zoom Type Motorized Zoom 1.44x Motorized Lens Yes Compatibility Optoma ZK1320, ZK1120, ZU2200, ZU1900, ZU1700 Warranty Limited Warranty Frequently asked questions Which projectors is the Optoma BX-CTA12 lens compatible with? The BX-CTA12 lens is designed for use with Optoma ZK1320 and ZK1120 4K UHD+ projectors, as well as the ZU2200, ZU1900, and ZU1700 Ultra Bright WUXGA projectors. What is the throw ratio of this lens? When used with the ZK1320 or ZK1120 projectors, the throw ratio is 0.9 to 1.3:1. With the UB Series WUXGA projectors, the throw ratio is 0.75 to 1.08:1. What is the maximum image size this lens can project? The lens can produce images from 50 inches up to a mechanical limit of approximately 1,000 inches, with a standard maximum screen size of 500 inches. Does the BX-CTA12 lens have lens memory? Yes, the lens features full lens memory, which can save and quickly recall Zoom, Focus, and Lens shift positions. ## Product type: Optoma Lenses ## Vendor: Optoma ## Tags: dome projection lens, golf simulator lens, motorized lens, Optoma BX-CTA12, projector lens, short throw lens, ZK1120 lens, ZK1320 lens ## Price range: 5999.0 - 5999.0 USD ## Link: https://protechprojection.com/products/optoma-bx-cta12-motorized-short-throw-lens-for-zk1320-and-zk1120 ## Options - Title: Default Title ## Variants - Default Title, SKU: BX-CTA12, Available: yes, Inventory: 100, Delivery profile: - ## Metafields - product_upload_source_url: https://www.optomausa.com/product/BX-CTA12 - title_tag: Optoma Short Throw Projector Lens BX-CTA12 - description_tag: Optoma BX-CTA12 motorized short throw lens for ZK1320 and ZK1120 projectors. Ideal for dome and golf simulation. Produces images from 50 to 1,000 inches. - google_product_category: 393 - google_product_category: 393 - product_status: {"pending":0,"failed":0,"approved":1}