Focal length 4mm; provides high magnification; look closer and more detailed at the surface of the m...
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By: SVBONY
SKU: F9301AA
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Highlights
Focal length 4mm; provides high magnification; look closer and more detailed at the surface of the moon and other planets; perfect for watching the moon and planets
Standard 31.75mm diameter fitting; can be used in any astronomical telescope with a 1.25" lens; perfect for wide-field lunar observations; medium-sized star clusters; and a wide range of cloud nebulae and deep-sky targets
Fully coated optical glass eyepieces for excellent image contrast and light transmission; give maximum detail and definition across the entire field of view; Highly achromatic; Planetary filters improve detail on Jupiter, Saturn, Mars and Venus
The 4mm lens weighs only 0.01kg; for lenses with the same refractive index; 62 degree aspherical eyepiece is thinner and lighter than spherical eyepiece; Designed mainly for planetary observation; Perfect for deep sky objects
Wide angle; 4mm 62 degree aspherical eyepiece to achieve maximum detail and definition across the entire field of view; Anti-lost design; Recessed part of the eye interface to prevent loss; Applicable; Bright celestial observations; Nebula and so on