Product Features
【Fully Coated Optical Lens】This 4mm telescope eye piece is made of high quality optical glass lens, perfect for observation of lunar craters details, planetary , and more;
【Fit For 1.25" Telescope Focuser】Standard 1.25inch barrel size, can be used with 1.25inch telescope focuser. Internal threads of the barrel enable eyepiece to be used with astronomy filters;
【Metal Construction】The 1.25inch telescope eyepiece is made of all metal construction for durable usage, also blackened for reducing glare as well as improving light transmission and contrast;
【Foldable Rubber Eye-cup】There're 2 ways to use eye-cup, fold up and fold down for your choice;
【Anti-lost design】Eyepiece interface recess portion can prevent the loss;
【1 Plastic storage box】Our telescope eyepieces are packaged with one Plastic storage box to protect your eyepiece from dust and moisture, which is easy to carry and storage;
Specification
Brand: Datyson
Product No.: 5P9853A
Origin: China
Focal length: 4mm
Lens size: 1.25 inches (31.7 mm)
Lens material: metal aluminum
Optical Lens material: optical glass
Lens coating: Fully Coated Green
Thread specification: M28.6X0.6mm
Eye mask type: flip back type
Product volume: 33.5 * 33.5 * 42mm
Net weight: 35g
Gross weight: 57g