Telrad finder
69.00
Tax included 
Delivery times depending on the shipping method: Switzerland: 2 to 3 days; Europe: 7 to 10 days.
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Telrad finder
The Telrad finder is a non-magnifying straight-through astronomical sight projecting three illuminated rings onto the real sky. It allows fast, accurate and intuitive pointing of celestial objects without image inversion, suitable for visual observation and the use of star charts.
Telrad finder
Description
The Telrad finder is a straight-through, non-magnifying astronomical sight designed to simplify telescope pointing. Its operating principle is based on projecting a reticle composed of three concentric rings onto a glass plate inclined at 45°, superimposing the target directly onto the naked-eye view of the sky. The absence of lenses eliminates any image inversion found in conventional optical finders.
The projected rings correspond to precise angular fields of 4°, 2° and 0.5°, enabling rapid centering of known objects or accurate star hopping using celestial charts such as Sky Atlas 2000.0 or Uranometria. Once properly aligned with the optical tube, the target object appears directly in the field of view of a medium focal length eyepiece.
Calibration is achieved using three spring-loaded push-pull adjustment screws acting on an internal reflective mirror, allowing fine and stable alignment. Reticle brightness is adjustable via a side-mounted control knob connected to a potentiometer, with an off position to prevent battery drain.
The Telrad consists of a fixed mounting base attached to the optical tube and a removable finder unit that can be quickly installed or removed. The rounded base is designed to fit telescopes with diameters of 150 mm and above, including Newtonian, Cassegrain and Dobson designs. The reticle remains visible regardless of observer distance, making it suitable for eyeglass wearers and very large telescopes. Power is supplied by two LR6 batteries not included. The finder is delivered in a foam-lined cardboard storage box.
Technical specifications
Type: non-magnifying astronomical finder
Magnification: 1x
Viewing mode: straight-through
Projection: illuminated reticle on 45° glass plate
Reticle rings: 4°, 2°, 0.5°
Image inversion: none
Brightness control: adjustable with off position
Calibration: three spring-loaded push-pull screws
Mounting: adhesive base with removable finder
Compatibility: telescopes 150 mm diameter and larger
Telescope types: Newtonian, Cassegrain, Dobson
Power supply: 2 LR6 batteries not included
Reticle visibility: independent of observer distance
Packaging: cardboard box with pre-cut foam
Telrad viseur
Telrad finder
The Telrad finder is a non-magnifying straight-through astronomical sight projecting three illuminated rings onto the real sky. It allows fast, accurate and intuitive pointing of celestial objects without image inversion, suitable for visual observation and the use of star charts.