Astronomical Telescope Accessories, 5X Premium Barlow Lens Apochromatic 2inch FMC Astronomical Telescope Accessories,for Observation

==========High-concerned chemical : NoneBarrel Size : 2 inches (50.8 mm)Magnification : 5 XType : Monocular

• Standard 1.25-inch or 2-inch interface compatible with eyepieces and star diagonals of mainstream telescopes. Internal tube features anti-reflection threads to suppress stray light, improving contrast.
• Compatible with 2-inch universal standard interface, it is an accessory for astronomical telescopes with 5X magnification to extend observation focal length.
• With apochromatic optical design, it corrects light aberration and optimizes internal light path for better celestial imaging.
• Built with FMC multi-layer optical coating, it improves light transmission and adapts to deep space celestial observation.
• Standard Barlow lens structure allows compatibility with various universal astronomical eyepieces to expand application scope.
• It features tight interface fit and simple installation & removal, no extra tools are required for assembly.
• Threaded locking interface for secure, wobble-free connection. Works with eyepieces and cameras for high-magnification planetary photography or close-up lunar surface imaging.