Svbony Telescope Eyepiece 4mm, HD Fully Coated Aspheric Lens 62 Degree Wide Angle, 1.25 Inches Accessories with Filter Thread for Moon Jupiter Planetary Observation

Eyepiece 4mm; offer high magnifications; look more closely and more detailed at the moon's surface and other planet; see a close-up of a lunar crater Clear image; fully coated eyepiece; increases light transmission for brighter and higher contrast images; give maximum detail and definition across the entire field of view Aspheric lens; eyepiece weighing only 1.48 ounces /0.09 pounds; for lenses with the same refractive index; the 62 degree aspheric eyepiece is thinner and lighter than the spherical eyepiece; mainly designed for moon planet observation; bright celestial observations 1.25 inches interface; 4mm eyepiece with M28.5X0.6mm filter thread; can be used for 1.25 " filter and any 1.25" telescope accessories; use in conjunction with planetary filters to enhance the details of Jupiter, Saturn, Mars and Venus Wide angle eyepiece; 62 degree aspheric lens offers a wide field of view; suitable for daily observation; even after long-term observation without fatigue; anti-lost design; eyepiece interface recess portion can prevent the loss 2.01 inches long; eyepiece length is only 51mm; ideal for eyepiece projection with T-ring adapters and DSLR cameras Excellent workmanship; the eyepiece 4mm with aluminum telescoping tube; long service life; and two dust caps to protect the eyepieces for easy portability and storage