Search results for: 'triplet'

The 94 mm apo with the fast focal ratio of f/5.5 is aimed at all amateur astronomers who are interested in a compact, pu...

This apochromatic refractor is the ideal telescope for traveling. The refractor is compact, it is even supported by good...

A perfect travelling apochromat - for observation and astrophotography. Under the lead management of Teleskop-Service, t...

An optically-matched M48-fitting doublet field flattener for Sky-Watcher's Esprit 120 ED PRO triplet refractor. ...

An optically-matched M48-fitting doublet field flattener for Sky-Watcher's Esprit 150 ED PRO triplet refractor. ...

Triplet lens design for anastigmatic flat field suitable to complement the high image quality of the Hyperion Zoom. Conv...

What does a little bug look like under high magnification? What is the internal structure of plants? What lives in a dro...