Astrozap Heater Strap Pair for Binoculars up to 50 mm Two flexible heater straps share a wired connection for dew prevention on binoculars and binoviewers. Insulation directs gentle heat toward the optical barrels, and elastic hook-and-loop straps hold the bands in place.
Manufacturer model: AZ-718 · Specifications checked against manufacturer data on 2026-11-04
Two flexible heater straps share a wired connection for dew prevention on binoculars and binoviewers. Insulation directs gentle heat toward the optical barrels, and elastic hook-and-loop straps hold the bands in place.
The exact supplier pair photograph is the same AZ-718 product photograph used by Teleskop-Express. The up-to-50 mm designation describes binocular aperture, not outside barrel diameter. Camera Concepts lists 8-inch band length; Teleskop-Express separates 180 mm heated length from 245 mm total strap length. These length descriptions are not treated as identical measurements.
| model | AZ-718 binocular/binoviewer heater pair |
|---|---|
| supply | 12 V DC |
| power | Approximately 6 W / 0.5 A; Camera Concepts gives 5.88 W / 0.49 A |
| connector | Male RCA input; additional female RCA socket |
| lead length | 1.8 m |
| band width | Approximately 45 mm |
| heated band length | Approximately 180 mm in Teleskop-Express measurements |
| total strap length | Approximately 245 mm including fastening strap |
| minimum overlap | Approximately 20 mm |
| outside diameter fit | Approximately 58–70 mm according to Teleskop-Express |
| supplied | Pair of wired heater straps; controller and 12 V adapter separate |
Sources: Exact supplier item 11859 · Technical reference · Model-numbered seller reference.
The exact supplier pair photograph is the same AZ-718 product photograph used by Teleskop-Express. The up-to-50 mm designation describes binocular aperture, not outside barrel diameter. Camera Concepts lists 8-inch band length; Teleskop-Express separates 180 mm heated length from 245 mm total strap length. These length descriptions are not treated as identical measurements.
| Supply | 12 V DC |
|---|---|
| Connector | Male RCA input; additional female RCA socket |
| Lead length | 1.8 m |
| Band width | Approximately 45 mm |
| Heated band length | Approximately 180 mm in Teleskop-Express measurements |
| Total strap length | Approximately 245 mm including fastening strap |
| Minimum overlap | Approximately 20 mm |
| Outside diameter fit | Approximately 58–70 mm according to Teleskop-Express |
| Supplied | Pair of wired heater straps; controller and 12 V adapter separate |
Data sheet
Astrozap Heater Strap Pair for Binoculars up to 50 mm Two flexible heater straps share a wired connection for dew prevention on binoculars and binoviewers. Insulation directs gentle heat toward the optical barrels, and elastic hook-and-loop straps hold the bands in place.
Manufacturer model: AZ-718 · Specifications checked against manufacturer data on 2026-11-04
