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Astromania Telescope Eyepiece 4.5mm, Wide Angle 58 Degree Apparent Field Planetary Eyepiece for 1.25 inch Astronomy Telescope & Filter, Fully Multi-Coated Telescope Accessory for Planetary Observation

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US$23.99 cheaper than the new price!!

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Product details

Management number 212171701 Release Date 2026/04/06 List Price US$16.00 Model Number 212171701
Category
  • Excellent Optical System: Designed primarily for planetary observation and great for deep sky objects too; aluminum material is used to make it last longer; a cost-effective eyepiece; it is also an excellent choice for birthdays and Christmas gifts
  • Elaborate Detailed Design: Equipped with an rotated eyepiece barrel and a convertible rubber eyecup for preventing stray light entering from the side; The edges of the lenses are blackened and the internal structure is treated to eliminate stray light
  • Standard 1.25 Inch Barrel and Thread: Compatible with any telescope equipped with 1.25 inch focuser and the 1.25 inch female thread can also be connected with 1.25 inch telescope filter or other 1.25 inch telescope accessories
  • Wider 58 Degree Field of View: Comfortable eye relief averaging 16 mm across the series and focal lengths is between 2.5 mm to 25 mm; giving maximum detail and definition across the entire 58 degree field of view
  • Multi-coated Lense Design: Each eyepiece has 5 lens elements in 3 groups; with retaining high transmittance and contrast ratio with least lateral cchromatic aberration and scattering phenomenon; having a wide view

Lens Standard
Brand Astromania
Color Black
Focus Type Manual Focus
Media Type ProductImage
Model Name Astromania 4.5mm
Zoom Ratio 1:1
Item Weight 8 ounces
Lens Design Prime
Screen Size 4.5 Millimeters
Manufacturer Astromania
Viewfinder Type Optical viewfinder
Real Angle Of View 58 Degrees
Image stabilization No image stabilization
Maximum Focal Length 4.5 Millimeters
Minimum Focal Length 4.5 Millimeters
Exposure Control Type Manual
Water Resistance Level Not Water Resistant
Compatible Camera Mount No
Lens Fixed Focal Length 4.5 Millimeters
Focal Length Description Fixed focal length of 4.5 millimeters, suitable for wide-angle planetary observation
Lens Coating Description Fully Multi-Coated

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