Buy One, Get One 25% Off - Alpen Optics

2023 gift guide

2023 Gift Guide

Find the perfect present for you, for them, for everyone you care about

Explore the world above

Explore the world above

Industry-leading brands at value prices

Unistellar smart telescope

Unistellar

The most immersive smart telescope

A game changer for urban astronomers

Alpen Optics Sale

Alpen Optics Sale

Buy One, Get One 25% Off

Trending ED102 refractor series

Compare Explore Scientific's popular 4-inch air-spaced triplet refractors

A table comparing the facets of 3 products
Facet
Explore Scientific ED102 102mm f/7 Triplet APO Refractor Telescope 812257014958
Explore Scientific ED102 102mm f/7 Triplet APO Refractor Telescope
View details
Explore Scientific ED102 102mm f/7 FCD100 Triplet Refractor Telescope 811803034389
Explore Scientific ED102 102mm f/7 FCD100 Triplet Refractor Telescope
View details
Explore Scientific ED102 102mm f/7 FCD100 Triplet Telescope in Carbon Fiber 811803034402
Explore Scientific ED102 102mm f/7 FCD100 Triplet Telescope in Carbon Fiber
View details
Price
Price
$1,199.99
$1,999.99
$2,499.99
Optics
Optics

1.14 arcsec resolution

12.5 limiting magnitude

HOYA FCD1 extra-low dispersion (ED) glass

EMD enhanced multi-layer coatings

1.14 arcsec resolution

12.5 limiting magnitude

HOYA FCD100 extra-low dispersion (ED) glass

EMD enhanced multi-layer coatings

1.14 arcsec resolution

12.5 limiting magnitude

HOYA FCD100 extra-low dispersion (ED) glass

EMD enhanced multi-layer coatings

Weight
Weight
12 lb | 5.4 kg
10.9 lb | 4.94 kg
9.5 lb | 4.3 kg

Telescope buyer's guide

Let us help you make a more informed decision

Unistellar eVscope 2

The eVscopes are the world’s most powerful and simple-to-operate smart telescopes, which allow them to bring the wonders of the universe to life in seconds—even in light-polluted urban settings.

A table comparing the facets of 3 products
Facet
Unistellar eQuinox Digital Reflector Telescope and Backpack Bundle 3701393200073
Unistellar eQuinox Digital Reflector Telescope and Backpack Bundle
View details
Unistellar eQuinox 2 - Smart Telescope for light polluted cities 3701393200233
Unistellar eQuinox 2 - Smart Telescope for light polluted cities
View details
Unistellar eVscope 2 114mm f/4 GoTo Reflector Telescope 3701393200226
Unistellar eVscope 2 114mm f/4 GoTo Reflector Telescope
View details
Price
Price
$1,599.00 $1,899.00
$2,099.00 $2,499.00
$3,899.00 $4,899.00
Field of View
Field of View

27 arcmin x 37 arcmin

34 arcmin x 47 arcmin

34 arcmin x 47 arcmin

Optics
Optics

4.9 Mpx image resolution

6.2 Mpx image resolution

7.7 Mpx image resolution

Nikon Eyepiece

Your Premium Online Store for Telescopes, Sport Optics and Accessories

AstroTelescopium exists to help you view the world from an enhanced perspective, whether you are exploring the cosmos or enjoying the outdoors.

Our team has developed partnerships with industry-leading brands to curate the highest quality telescopes, sport optics and accessories, at value prices, that are built for beginners and experienced observers alike.

Our mission is to accelerate the awareness of the world around us