Astronomical Telescope Accessories, 5X Apochromatic Barlow Lens 1.25inch FMC Telescope Accessories for Astronomical Observing,for Observation

==========High-concerned chemical : NoneBarrel Size : 1.25 inches (31.7 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 1.25-inch universal interface, it has 5X magnification to extend the focal length of telescopes for daily astronomical observing.
• With apochromatic optical design, it corrects light aberration, optimizes internal light path and reduces imaging interference caused by dispersion.
• Fully multi-coated lens surface improves light transmission efficiency and adapts to various sky and deep space observation scenarios.
• Universal Barlow lens structure is compatible with various ordinary astronomical eyepieces to expand matching application scope.
• It features well-fitted interface and easy installation and removal without any extra auxiliary tools.
• Threaded locking interface for secure, wobble-free connection. Works with eyepieces and cameras for high-magnification planetary photography or close-up lunar surface imaging.