Description Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coatings, Explore Scientific 68° Series Argon-Purged Waterproof extreme wide field eyepieces are optimized to produce high contrast, high resolution, and superior flat field characteristics. The visual effect of these eyepieces with their long eye-relief and their […]

Description This T-Shaped Finder Scope Base is specifically designed to allow you to secure one of Explore Scientific’s high-quality finder scopes to an Essential Series telescope. The easy-to-install base is sturdy and comes with reliable mounting screws. Specs Item Number FNDRBASE-ESSEN Weight 1.29 oz Length 50mm Width 51mm Height 25mm Warranty Limited Warranty is one […]

Description Designed to fit Explore Scientific’s 50mm reticle finder scopes, this spare LED illuminator offers deep red illumination with variable brightness.This illuminator uses 2 LR41 batteries (batteries not included). Specs Item Number FNDRILLUM Length 41.1mm Diameter 17.5mm Warranty Limited Warranty is one year, which converts to the Explore STAR Transferable Extended Life of the Product […]

Description The Explore Scientific AR Series telescopes are classic air-spaced, crown-and-flint, doublet achromatic f/6.5 refractors with a superior-class optical figure. Whether you choose the AR102 (4″), AR127 (5″) or AR152 (6″) model, you will be impressed by the stunning images revealed to you at the eyepiece, and all at a small fraction of the price […]

Description This adapter allows you to attach the 3-inch 0.7X Field Flattener Focal Reducer (FFFR507X-00) on optical tubes with a 2-inch focuser. This adapter also allows you to adapt the 3-inch Diagonal to a 2-inch focuser draw tube. The adapter is threaded to accept 2-inch filters. Specs Item Number 510364 Weight .15lb/.08kg Diameter 76mm Height […]

Description The Explore Scientific 3-inch Dielectric-Coated Diagonal Mirror comes complete with 2 inch Adapter and dust covers. Solid construction and light weight, this first surface coated diagonal mirror reflects 99% of the light to help maintain the brightest possible image from your telescope. The insert barrel is a double taper, so it can be smoothly […]

Discontinued Item *Note that this is a discontinued product. This legacy information is for reference only. Description The Explore Scientific N208CF Newtonian – Astrograph Edition offers large aperture and super-wide field at f3.9. Field tested and updated by astrophotographers, this 208mm f/3.9 Newtonian produces tight, round stars with the recommended HR Variable Coma Corrector. This […]

Explore Scientific Nebula Filter 1.25″ CLS Range from 436nm to 536nm with peak at 488nm. Transmission 98.3% This is a general-purpose light-pollution reduction filter designed for observing the broad range of deep sky objects including nebulae and galaxies. The CLS does a good job of increasing contrast, providing a darker sky background. CA Residents: Prop […]

Explore Scientific Nebula Filter 1.25″ CLS Range from 436nm to 536nm with peak at 488nm. Transmission 98.3% This is a general-purpose light-pollution reduction filter designed for observing the broad range of deep sky objects including nebulae and galaxies. The CLS does a good job of increasing contrast, providing a darker sky background. CA Residents: Prop […]

This item is currently out of stock and on backorder. Description This is a Generation II telescope. All updates have been performed on this telescope. No telescope type has changed the hobby quite as much as the Dobsonian Telescope. Before the popularization of John Dobson’s altazimuth mount design with low center of gravity combined with […]