Motorized optical adjustment
1.08× zoom, focus and lens shift support installation adjustment.
BX-CTA28
Motorized Ultra Short Throw Lens
Match the BX-CTA28 motorized lens to your projector, screen size and installation distance. Check the model-specific compatibility and throw ratios below before ordering.
- Throw Ratio: 0.34 ~ 0.37:1
- Zoom: 1.08x
- Motorized optical adjustment
- Projector sold separately
Projector sold separately. Confirm compatibility, availability and delivery before ordering.
Ultra-short-throw projection
A 0.34:1–0.37:1 throw ratio supports close-range installations with the compatible projectors.
Model compatibility
Listed for ZK1120 and ZK1320. The lens and projector are sold separately.
BX-CTA28 / Technical details
Specifications
General
- Net weight (Lbs)
- 8.82
- Gross weight (Lbs)
- 14.33
- UPC
- 796435 07 150 9
Lens
- Throw Ratio
- 0.34 ~ 0.37:1
- Min Screen Size (inch)
- 80 (50" Mechanical Limit)
- Max Screen Size (inch)
- 500 (1000" Mechanical Limit)
- Min Throw Distance (feet)
- 1.21
- Max Throw Distance (feet)
- 13.06
- F-stop
- 2.2 ~ 2.23
- Focal Length (mm)
- 6 ~ 6.54
- Zoom Type
- Motorized
- Zoom
- 1.08x
- Lens Memory
- Lens Shift Only
Product maintenance
Care for Optoma BX-CTA28 Motorized Ultra Short Throw Lens
Follow the lens manual for handling, fitting and cleaning. Keep the protective caps fitted when the lens is stored, avoid touching optical surfaces and use only the cleaning method approved for this lens. Switch off and cool the projector before removing or fitting a lens; use a qualified installer where required.
Follow the manufacturer’s manual for model-specific cleaners, service intervals and replacement parts. To request the correct manual, contact hello@thebackyardlegacy.com
Shipping and returns
Shipping and returns for Optoma BX-CTA28 Motorized Ultra Short Throw Lens
Delivery
The shipping service, destination coverage and charges for this item require confirmation before purchase.
Confirm the package size, quantity and shipping service for the selected accessory or supply. Check the package contents and condition on arrival.
Only the delivery services and costs expressly included in this item’s terms or your written quote apply. Confirm any additional handling before ordering.
Lead time
Contact us for lead time
Confirm current stock and the schedule for your selected option and delivery address. Preparation or production, transit and any installation are separate stages; the listed estimate is not a guaranteed arrival date.
Returns
This item’s change-of-mind return eligibility, deadline, return freight and any fees require written confirmation before purchase. Damage and defect claims are separate.
Request authorization and the correct return address before sending this item back. Damage, defects and incorrect deliveries are handled separately from change-of-mind returns; contact us with your order number and photographs. Cancellation depends on the order’s actual dispatch, order commitment or production stage and the terms disclosed for this item.
For this product’s written terms, contact hello@thebackyardlegacy.com.
BX-CTA28 / Product resources
Downloads
Manuals, product information and supporting documents.