Short Focal Binoviewer Tecnosky Horizon for Newtonians and Refractors

Short Focal Binoviewer Tecnosky Horizon for Newtonians and Refractors

DESCRIPTION
The Tecnosky Horizon binoviewer is designed to allow convenient two-eye observation with telescopes where achieving focus is usually difficult—like Newtonians and refractors. Thanks to its compact build and integrated erecting prisms, it reaches focus without an optical corrector, even at low magnification.

It delivers a fully erect image, making it suitable for terrestrial use as well. Ideal for observing large objects such as open clusters, nebulae, or galaxies at moderate magnifications, the Horizon binoviewer avoids the need for a Barlow or OCS, preserving field of view and optical quality.

Its 17.3 mm clear aperture is slightly smaller than conventional models, but well matched to eyepieces up to 18 mm focal length with 60° apparent field, without significant vignetting. Many long eye relief wide-field eyepieces also have field stops smaller than theoretical values, making this aperture practical in most scenarios.

TECHNICAL SPECIFICATIONS

• Compact short focal design

• Fully erect image

• Perfect for Newtonians and refractors without OCS

• Enables low magnification use

• Clear aperture: 17.3 mm

• Compatible with most 1.25” eyepieces

• Suitable for deep-sky and terrestrial viewing

• CNC-machined housing