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Alstar 1.25 Inch Telescope Eyepiece- 58 Degree 5mm Planetary Eyepiece for Telescope - Fully Multi Coated Wide Angle Lens for Astronomy & Astrophotography

  • Based on 3 reviews
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Availability: 13 left in stock
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Arrives Saturday, May 23
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Features

  • Wider 58 Degree Field of View: The Alstar 1.25 Inch 58-Degree 5 mm wide angle telescope eyepiece is designed for astronomy enthusiasts; Offering a focal length range of 2.5 mm to 25 mm and a 58-degree wide field of view to capture more celestial details
  • Standard 1.25 Inch Barrel and Thread: Designed primarily for planetary observation such as Moon Jupiter Mars and Saturn and more but great for deep sky objects too; Comfortable eye relief averaging 16 mm across the series; Threaded for standard 1.25 inch astronomy filters
  • Multi-coated Lense Design: 1.25 inch fully multicoated eyepieces give maximum detail and definition across the entire 60 degree field of view; High transmittance and contrast ratio with least lateral chromatic aberration and scattering phenomenon
  • Ergonomic Design for Enhanced Comfort: The rotatable eyepiece barrel and convertible rubber eyecup ensure comfort
  • Durable Material and Precision Craftsmanship: Made with high-quality aluminum and precision optical design it ensures durability and exceptional optical performance making it an ideal choice for astronomy enthusiasts

Brand: A ALSTAR


Model Name: Alstar


Optical Tube Length: 95 Millimeters


Eye Piece Lens Description: 5 lens elements with fully multi-coatings in a 3 group design


Objective Lens Diameter: 5 Millimeters


Telescope Mount Description: Equatorial Mount


Product Dimensions: 4.1"D x 2.5"W x 2.2"H


Focus Type: Manual Focus


Power Source: Manual Operation


Finderscope: Reflex


Product Dimensions: 4.1 x 2.5 x 2.2 inches


Item Weight: 0.3 ounces


Item model number: SKU_AM_PE15A


Is Discontinued By Manufacturer: No


Date First Available: July 23, 2017


Manufacturer: A ALSTAR


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, May 23

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • It's Ok
Meh. It works. Not the best quality in my personal opinion. My SVBony 6mm Red Band has a much wider field of view, better optics, and less money than this 5mm eyepiece.
Reviewed in the United States on October 12, 2025 by Nicholas B.

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