Astromania Off-Axis Guider with Micro-Focusing - for Successful Astronomy Photos Without A Guide Scope - Bundle with - Zoom Eyepiece for Telescope 7-21mm
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Product details
| Management number | 212171666 | Release Date | 2026/04/06 | List Price | $83.15 | Model Number | 212171666 | ||
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- A twist of the zoom eyepiece housing changes focal length from 21 mm to 7 mm providing a variety of viewing magnification powers; excellent contrast and sharpness making the zoom also of interest for planetary observing
- Exceptionally long 16 mm to 33 mm eye relief range allows eyeglass wearers to enjoy the entire view while still wearing their corrective lenses without vignetting; the Zoom eyepiece lets you change magnification power without physically changing eyepieces
- Apparent field of view is 30 degree at 21 mm and 43 degree at 7 mm; rubber traction ring ensures a good grip; the 1.25 inch barrel is threaded for filters; actual magnification range will depend on the focal length of your telescope
- This device sits in 2 inch focuser in front of camera; small prism direct little light from telescope into separate tube where guide camera or crosshair eyepiece is attached; correct tracking errors which camera is exposing image for perfectly round star
- For refractors scs maks and rc telescopes; off-axis guider only 24mm in overall length; robust yet light 5.45mm optical transmission full illumination; micro focusing especially smooth helical focusing with 0.05mm accuracy; 75mm of back focus
| Brand | Astromania |
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