Hutech Astronomical Products - Hutech and Borg Eyepieces

Hutech Astronomical Products
Equipment for the Serious Amateur Astronomer

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Hutech and Borg Eyepieces

Borg Lightweight Eyepieces

These Borg lightweight, economical eyepieces from Borg are well matched for use with the Borg turret eyepiece holder and yield wide fields of views.

Part
No. Barrel Focal
Length Type Wt.

4013 1-1/4" 13 mm Ortho 40 g AFOV*: 70°
fully coated

4022 1-1/4" 22 mm Kellner 40 g AFOV*: 64°
fully coated

4050 2" 50 mm Huyghens 50 g AFOV*: 45°
single-coated

* AFOV = apparent field-of-view

Hutech Orthoscopic Eyepieces

Hutech Ortho eyepieces feature the well-regarded Abbe orthoscopic design, a good choice for crisp planetary views and good price-performance value. Available are 5mm, 7mm, 12.5mm, 18mm, and 25mm focal lengths, all multicoated and with 1-1/4" barrels, and all made in Japan. Apparent field of views vary with focal length.