Price: $119.99
(as of Aug 31, 2025 02:02:23 UTC – Details)
Product description
Explore Scientific 52° 10mm Waterproof Telescope Eyepiece
Telescope eyepieces at or near the 10mm range are often considered a mandatory focal length in your collection, as this focal length range is departure point from medium power eyepieces for most telescopes for amateur astronomers. Fainter deep sky objects that do not have the inherent brightness to be observed at higher powers are often perfect for a 10mm.
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Price
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Millimeters
3mm 6.5mm 15mm 20mm 25mm
With an apparent field of view of 52 degrees, these telescope eyepieces offer incredible value.
Explore Scientific Waterproof Telescope Eyepieces – Comfort, Quality, Value. The Explore Scientific 52° Series 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 Plossol.
Another great benefit of these eyepieces is the excellent contrast and ease with which you can gaze, not directly at an object, but slightly to either side. This skill, called using averted vision, is especially helpful when observing faint objects, because using averted vision puts the image on a part of your eye that is more sensitive to light, allowing you to see fainter images.
Specifications
Item Number EPWP5210–01 Focal Length 10mm Length 83mm Width 43mm Weight 181.4 grams; 6.4 oz. Barrel Size/Type 1.25″ O.D. / Double Taper Eye Relief 16.6mm Field Stop Diameter: 9.1mm Coatings EMD (Enhanced Multi-Layer Deposition) on all lens-to-air surfaces Lens Elements/ Groups 6 Elements in 3 Groups; Edge Blackened Filter Thread Fits Standard 1.25-inch Dia. Thread in Filters (1.125-inches x 42 TPI) Waterproof O-Ring Sealed Argon Gas Purged; Tested Under 1 Meter of Water for 30 Minutes Eyecup Removable Flip-Down Style Soft Silicone Rubber Lens Caps Slide-on Top and Bottom Materials Optical Glass; Aluminum; Steel; Silicone Rubber Markings Laser Engraved: Focal Length; Series; Serial Number; Brand
About Us
Based out of Springdale, Arkansas, Explore Scientific is an optics company committed to designing, building, and selling high-quality observation instruments and accessories for all skill levels. The company was founded in 2008 with a mission to make astronomy and other sciences more accessible by giving enthusiasts of all skill levels the tools and guidance they need to explore the world around and the skies above. Our extensive astronomy product line includes industry-leading waterproof eyepieces that provide transformative views; telescopes ranging from 50mm beginner models to refractors with impressive apertures and superior glass; revolutionary GOTO mount technology; and a wide selection of observing and imaging accessories. We also manufacture binoculars, other sport optics, microscopes, and STEM gear for young explorers.
Coatings:EMD (Enhanced Multi-Layer Deposition) on all lens-to-air surfaces
Filter Thread: Fits Standard 1.25 inch Diameter Thread in Filters (1.125 inches x 42 TPI)
Waterproof: O-Ring Sealed Argon Gas Purged; Tested Under 1 Meter of Water for 30 Minutes
Eyecup: Removable Flip-Down Style Soft Silicone Rubber
Lens Caps: Slide-on Top and Bottom
