3"/31.75mm Economy Astronomical Eyepieces

Product Description: Our line of 3"/31.75mm Economy Astronomical Eyepieces provides sharp, high contrast images at an affordable price. Featuring 5-element designs in place of 4-element designs used in similar products, these eyepieces deliver excellent image quality and abundant eye relief. Constructed with blackened lens edges and interior baffling, they effectively minimize internal reflections. Threaded for standard 1.25" filters, they are compatible with virtually any filter on the market.
Product Features:

• 5-element design for sharp, high-contrast images
• Abundant eye relief for comfortable viewing
• Blackened lens edges and interior baffling for effective minimization of internal reflections
• Threaded for standard 1.25" filters for compatibility with a wide range of filters

Key Usage Points:

• Easy installation
• Durable construction
• Variety of color options

Benefits:

• Enhanced viewing experience with sharp, high-contrast images
• Comfortable viewing due to abundant eye relief
• Minimized internal reflections for improved image quality
• Versatility with compatibility for a wide range of filters
• Simple installation and long-lasting durability

Detailed Specifications:

Focal Length	3mm	6mm	9mm	12mm	15mm	20mm
Apparent Field of View	60°	50°	50°	50°	50°	50°
Eye Relief	7mm	10mm	13mm	15mm	18mm	22mm
Barrel Size	1.25" (31.75mm)
Weight	<1 lb (0.45 kg)

Additional Features:

• Fully multi-coated optical elements for maximum light transmission
• Collapsible rubber eyeguards for comfortable use with or without eyeglasses
• Carrying case included for safe storage and transport

User Concerns and Desires: Our 3"/31.75mm Economy Astronomical Eyepieces are designed to address the concerns of astronomers seeking high-quality eyepieces without breaking the bank. They provide sharp, high-contrast images, abundant eye relief, and effective reduction of internal reflections.
External Links:

Astronomy.com: How to Choose and Use Astronomical Eyepieces

Telescope.com: Types of Eyepieces

Skyandtelescope.com: What Are the Important Features of an Eyepiece?