This Astro-Tech 9mm Long Eye Relief eyepiece has super optics, a flat field, and a comfortable 20mm of eye relief that all long focal length refractor, reflector, and catadioptric telescope observers will appreciate, not just eyeglass wearers . . .
Temporarily out of stock; will charge and ship when available.
This very economical Astro-Tech #ATIL adjustable brightness red LED illuminator can be used with any crosshair reticle guiding eyepiece that uses an 8mm nosepiece diameter illuminator . . .
Temporarily out of stock; will charge and ship when available.
This 22mm Astro-Tech AF Series very wide 70° field 2” eyepiece provides spectacular low to medium power wide field viewing with any telescope that can use 2” eyepieces, and does it at a price that won’t break the budget . . .
This Astro-Tech 12.5mm Long Eye Relief eyepiece has great flat field optics and a comfortable 20mm of eye relief that any observer with any type of telescope (not just eyeglass wearers) will appreciate all night long . . .
This Astro-Tech 12mm Flat Field eyepiece is a very good medium power eyepiece with an exceptionally flat 60° field that is a great match to the flat field and coma-free performance of the newest catadioptric scopes, among many others . . .
These Astro-Tech 110mm guidescope rings mount a refractor up to 100mm o.d. on an optional Vixen-style dovetail that has been piggybacked on your main scope so that the small refractor can be used as a finderscope, photoguide, or astrograph . . .
Temporarily out of stock; will charge and ship when available.
A one-piece body, state-of-the-art 46-layer 99% reflectivity dielectric coatings, and a 1/10th wave accuracy quartz mirror are just three of the reasons this Astro-Tech 2” star diagonal is the best buy among premium star diagonals . . .
The comfortable 20mm of eye relief and outstanding flat field optics of this Astro-Tech 3mm Long Eye Relief eyepiece makes it a super choice for all high power observers, not just eyeglass wearers . . .
The Astro-Tech AT72ED is a worthy successor – and upgrade – to the AT66ED, an Astro-Tech scope that Astronomy magazine called “a product everyone should own.” The AT72ED is optically so good, despite its low price, that you might swear this compact air-spaced ED doublet refractor is an apochromat. Anodized in Meade blue, it makes a great choice as a photoguide for a large Meade catadioptric . . .
This Astro-Tech 27mm Flat Field low to medium power eyepiece is sharp from one edge of its 53° field to the other, for pin-point stars all across the star clouds of the Milky Way, for gauzy nebulas resting in a gem-like star field, for crisp open clusters, and much more . . .
