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Price
$165.04
Explore Scientific 52ยฐ LER Telescope Eyepiece 40mm Ar with high end EMD-Coating โ€” image 1
Telescope AccessoriesExplore Scientificโœ“ In stock

Explore Scientific 52ยฐ LER Telescope Eyepiece 40mm Ar with high end EMD-Coating

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$165.04
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About this item
  • Large eye distance and great image sharpness. Excellent viewing position for people with glasses
  • Excellent field sharpness even with fast optics. 52ยฐ apparent field of view
  • Patented EMD-coating to maximize contrast. Blackened lens edges to avoid reflexes
  • Argon-purging prevents internal fogging, the sealing facilitates cleaning. Stainless steel barrel with conical security cut-off. Dust covers and protective bag included
  • Eyepiece plug diameter: 2"
Product description

The longest focal length in the 52ยฐ Series with the longest eye relief, the 40mm is also the only 2.0-inch O.D. eyepiece in this series. Explore Scientific now has three 40mm eyepieces in its collection, the other two are the 40mm 62ยฐ Series, and the 40mm 68ยฐ Series. At this focal length, this eyepiece is generally reserved for deep sky observers who challenge themselves to observe near the faintest observable limit of their telescopes. The huge true field of view is perfect for deep sky objects like the Andromeda Galaxy, the Rosette Nebula, as well as large star clusters, and comets. Comfort, Quality, Value. The Explore Scientific 52ยฐ LER Series mid-range focal length eyepieces are 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 Plods. 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 donยดt 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.

Product details
Brand
Explore Scientific
Manufacturer
Explore Scientific
Colour
40mm

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10 Trustpilot reviews total, with 2 shown at a time.

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Excellent
4.5 average rating
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S
Sigalit
๐Ÿ‡ฎ๐Ÿ‡ฑ ยท January 2026
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I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

V
Verified buyer
๐Ÿ‡ฆ๐Ÿ‡บ ยท November 2025
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The package was here in Australia from England in a few days โ€” so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

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