Bresser Explore Scientific 52° Ler Eyepiece 20Mm Ar Clearance

Solidly In The Mid-Magnification Range For Most Amateur Telescopes, The 20Mm Is A True Workhorse For Visual Observers. If You Love Deep Sky Observing, Eyepieces In This Focal Length Range Not Only Give Healthy Increases In Magnification, But The Contrast Enhancement Of Giving A Darker Background Sky Can Make All The Difference Of How Galaxies And Nebulae Appear Under Suburban Skies.

Comfort, Quality, Value. The Explore Scientific 52° Ler Series Mid-Range Focal Length EyepiecesAre Excellent Flat-Field Multi-Element Oculars That Can Transform Your Visual Astronomy Experience. With An Apparent Field Of View Of 52 Degrees, These Eyepieces Offer Incredible Value In A Very Nice Eyepiece. Expect Exceptional Quality And Value Versus A Comparably Priced Plossl.

These Eyepieces Are The Choice For Observers Wearing Glasses – With Excellent Performance And Durability. The Rubber Inlet And The Foldable Eyecups Make Handling And Using In The Field Easy. The Patented Emd”-Coating Produces High Contrast Images And Prevents Reflexes And Ghosting. The Argon Purging Effectively Prevents Internal Fogging, And You Don´T Have To Deal With Dirt, Fungus Or Cleansing Fluids Getting Between The Lenses. The Eyepieces Are Sealed – This Makes Sure You Will Be Able To Enjoy These Eyepieces For Many Years To Come.


Specifications

• Large Eye Distance, Large Field And Great Image Sharpness
• Excellent Viewing Position For People With Glasses
• Excellent Field Sharpness Even With Fast Optics
• 52° Apparent Field Of View
• Argon-Purging Prevents Internal Fogging, The Sealing Facilitates Cleaning
• Patented Emd-Coating To Maximize Contrast
• Blackened Lens Edges To Avoid Reflexes
• All Eyepieces Of This Series Are Parfocal
• Stainless Steel Barrel With Conical Security Cutoff
• Dust Covers And Protective Bag Included

• 52° Eyepiece
• Dust Covers
• Protective Bag