Specification Brand : Zopsc BulletPoint1 : [Versatile Compatibility] The male thread specification of m42x0.75mm fits t2 photo thread connections, while the female thread specification m28.6x0.6mm is ideal for various filters and accessories. enjoy a seamless setup for your telescope. BulletPoint2 : [Enhanced Magnification] The 2x barlow lens doubles the magnification of a 1.25in eyepiece, providing a closer view of celestial bodies like the moon and planets. discover details you've never seen before. BulletPoint3 : [ Construction] Crafted from aluminum alloy with an anodized body, this metal barlow lens undergoes cnc machining for exceptional durability. wear-resistant and strong, it guarantees long-lasting performance for years to come. BulletPoint4 : [Clean & Secure Design] Equipped with 2 dust covers to the lenses, this barlow lens also features adjustable setting screws to prevent slipping. enjoy a stable viewing experience with clear, reliable imagery. BulletPoint5 : [Premium Optical Quality] With 2 pieces and 1 group of glued lenses, this barlow lens features green film multi-layer coated optical glass. the black oxidized case maximizes image contrast, ensuring visuals with minimal chromatic aberration. Color : Black ExternallyAssignedProductIdentifier : 7639020119749 ItemName : Metal Barlow Lens, 2X Magnification for 1.25in Eyepiece, Fully Multi Coated, with Adjustable Setting Screws for Stable Viewing, for Connecting Filter and Accessories ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : barlow-lenses Manufacturer : Zopsc ModelName : Zopscsckbn9fard ModelNumber : Zopscsckbn9fard PartNumber : Zopscsckbn9fard ProductDescription : Spec: Item Type: Barlow Lens Material: Aluminum alloy and optical glass Magnification: 2X Lens: 2 Piece 1 group glued lens Lens Coating: green coating Blackening Treatment: Full black non paint on lens edges Lens Barrel Material: Metal aluminum Male Thread Specs: M42x0.75mm(suitable for connecting T2 photography screws in photography mounts) Female Thread Specs: M28.6x0.6mm(suitable for connecting filter lens, etc.)