Focal Reducer,1.25 Inch 0.5X Focal Reducer Thread M28 Lens Accessory for Telescope Eyepiece

• Aluminum Alloy Housing: This focal length shortener is made of high-quality aluminum alloy material, ensuring product durability and stability under long-term use. The aluminum alloy shell is not only strong, but also effectively protects the precision optical components inside.
• High-Quality Optical Lens: The equipped high-quality optical lens can transmit more light, thus providing a clearer and brighter observation field of view. This is crucial for astronomical observations or long-distance viewing, as it significantly improves the clarity and brightness of the image.
• Focal Length Shortening and Field of View Expansion: This focal length shortener can shorten the focal length of the telescope by 0.5 times and increase the field of view accordingly. This feature is especially suitable for long focal length telescopes, allowing users to observe a wider sky area or ground scene without changing the structure of the telescope itself.
• Standard Interface and Compatibility: The focal length shortener adopts a standard 1.25-inch interface and is equipped with M28.5x0.6 thread, allowing it to be easily installed on any 1.25-inch eyepiece. This design ensures broad compatibility and ease of use, and users do not need to worry about matching with existing telescope equipment.
• Multifunctional Use: This focal length shortener not only supports the installation of filters, but can also be directly screwed into the eyepiece or camera to achieve more diversified usage scenarios. Users can use it in many fields such as astronomical observation, photography, and natural observation according to their own needs.

Specification: Color: Black Material: Aluminium Alloy Focal Reducer: 0.5X Interface: 1.25 inch / 31.7mm Thread: M28*0.6mm Size: Approx. 30 x 13mm / 1.18 x 0.51inch Weight: Approx. 0.42oz / 12g Package List: 1 x Focal Reducer