Αποτελέσματα αναζήτησης για: «orth»

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...

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

The Takahashi FC-76DCU apochromatic refractor is equipped with a fluorite doublet at F/7.5. Its very low weight, only 1...

The Takahashi FC-76DCU apochromatic refractor is equipped with a fluorite doublet at F/7.5. Its very low weight, only 1...

The RC24 is a 24 inch (0.61 m) f/10.6 Ritchey-Chrétien (RC) Astrograph telescope. The instrument weight is 240 lbs...

The Takahashi FS-60Q apochromatic refractor is a longer focal length version of the FS-60CB. The longer F/D ratio allows...

The Takahashi FS-60Q apochromatic refractor is a longer focal length version of the FS-60CB. The longer F/D ratio allows...

The PlaneWave Instruments CDK17 is a 17 inch (0.43 m) f/6.8 Corrected Dall-Kirkham Astrograph telescope. The CDK17 cover...

The CDK24 is a 24 inch (0.61 m) f/6.5 Corrected Dall-Kirkham Astrograph telescope. The CDK24 covers a 70 mm fi...

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