Keep your devices from Fog Dew Freezing; when the dew was a big issue and it can keep your devices dry;the built-in aluminum film conduct even heating surface; no dead angle left
Three-speed adjustment to meet your different needs; 0.3meters 3 gear regulator with strong-medium-weak Heating Modes; You can adjust the temperature for different use requirements; Super fast and continuous warming with fast start up to heat
Safe usage and short circuit prevent; Alloy fiber heating wire provides super fast and continuous warming; Silicone insulation process prevents internal short circuit
Convenient USB port design; You can connect SV172 Dew Heater Strip to power source with USB port; such as 5Vpower bank; car charger; laptop; desktop computer; etc
50mm narrow width does not interfere focusing; and will not produce dark corners in the field; it is also the width that reduces interference for other accessories on the lens barrel
SVBONY Telescope Barlow Lenses, 1.25 Inch Telescope Accessory, Fully Metal Multi Coated Broadband Green Film Barlow Lens 5X for Telescope Astronomy Eyepiece
KWD 7
SVBONY SV137 Barlow Lens 1.25 Inch 2X Barlow Lens Metal Body Fully Multi Coated Telescope Accessory for Standard Telescope Eyepiece Astronomy
KWD 7.500
SVBONY Barlow Lens 2X, 1.25 inch Barlow Lens with Multi Coated Broadband Green Film, Telescope Accessories with M42 Thread for Telescope Eyepiece
KWD 7
SVBONY SV188P Dielectric Mirror Star Diagonal, 1.25 Inch 90 Degree Mirror Diagonal, 99% Reflectivity Dielectric Coatings with Brass Compression Rings
KWD 18
