Dew heater for 350 mm diameter telescopes (PrimaLuceLab, SKU: PLLFAS350 ) is a wide heating band designed for large telescopes with a tube diameter of about 350 mm – typically 12- and 14-inch Schmidt-Cassegrain, Richey-Chrétien or Newtonian. The gentle heat generated by the heating band prevents condensation on the primary optics, ensuring uninterrupted observation or photography even on humid nights.

Key Features of the 350mm Heating Band

• nominal diameter 350 mm – elastic Velcro strap covers tubes 340 – 360 mm
• evenly distributed heating element – no local overheating, safe temperature for mirrors and lenses
• 12 V DC power supply (5.5 × 2.1 mm plug, plus in the center) – compatible with EAGLE, ECCO controllers and most popular dew-heater controllers
• soft, wide Velcro strap – quick assembly, firm pressure on the tube, easy adjustment
• 2 m power cable – convenient cable routing along the assembly

Set components

• PLLFAS350 heating band with 12 V DC cable

Technical parameters

• tube diameter range: 340 – 360 mm
• supply voltage: 12 V DC
• connector: 5.5 × 2.1 mm plug (plus in the middle)
• strap length (unfolded): 125 cm
• strap width: 40 mm
• cable length: 2 m
• weight: 170 g
• manufacturer: PrimaLuceLab – Italy

The PLLFAS350 band provides effective protection against dew for large observation and astrophotography telescopes, ensuring stable operating conditions of the optics throughout the night.