Reviews Light Weight Telescopes

Orion 5581 1.25-Inch Oxygen-III Nebula Eyepiece Filter

Orion's Oxygen-III (O-III) eyepiece filter reveals wondrous details when viewing cloudy nebulas.
Filter transmits close to 90% of the light corresponding to 2 oxygen-III spectral lines at 496nm and 501nm for enhanced nebula detail in visual views.
Completely blocks virtually all other visible wavelengths of light so views of nebulas are optimized.
Eyepiece filter features high quality optical glass in a double-threaded, metal filter cell.
Recommended for use with telescopes of 8" aperture or greater for best results and for visual use only.

What you get: come with 12 pieces pirate telescopes, enough quantity for your use and sharing.
Warm note: the product may be smaller than expected, please confirm the size carefully before buying.
Adjustable size: the length of these pirate telescopes can be extended from 2.56 - 5.5 inches (65 mm to 140 mm), easy to telescope.
Material: each of telescope is made of quality plastic with pirate head print.
Party supplies: these small plastic binoculars are great stuffing and decorative accessories for party bags (note: these pirate binoculars are just party toys and cannot really see far away).
Wide application: these mini pirate telescopes can be served as good party favors for your use, suitable for birthday, family gathering, classmates' gift and so on.
Warm note: this pirate telescope is not suitable for children under 3 years old (36 month), children over 3 years old must play under the supervision of an adult.

Economical motor drive provides hands-free celestial tracking for small telescopes.
Cordless DC servo motor works on Orion EQ-1 and Min-EQ mounts.
Adjustable drive speed control knob allows precise tracking of both solar system and deep-sky objects.
Ideal for short-exposure piggyback and planetary astrophotography with small telescopes.
Requires 9V battery, which provides approximately 35 hours of motorized operation.

Product 1: Binoviewers improve views dramatically, producing a three dimensional effect that you’ll love!.
Product 1: Using two eyes for observing instead of one lets you see more detail, reduces eye fatigue, and increases contrast.
Product 1: For use with catadioptric telescopes and other telescopes with sufficient back focus.
Product 1: Includes an aluminum carry case with foam-lined interior.
Product 2: Zoom from low to high power in an instant with this versatile eyepiece.

Binoviewers improve views dramatically, producing a three dimensional effect that you’ll love!.
Using two eyes for observing instead of one lets you see more detail, reduces eye fatigue, and increases contrast.
For use with catadioptric telescopes and other telescopes with sufficient back focus.
Includes an aluminum carry case with foam-lined interior.
Requires a matching pair of 1.25” eyepieces, sold separately.

Binoviewers improve views dramatically, producing a three dimensional effect that you’ll love!.
Using two eyes for observing instead of one lets you see more detail, reduces eye fatigue, and increases contrast.
For use with catadioptric telescopes and other telescopes with sufficient back focus.
Includes an aluminum carry case with foam-lined interior.
Requires a matching pair of 1.25” eyepieces, sold separately.

Quality crosshair viewfinder makes targeting celestial objects in your telescope easy!.
Fully coated 30mm achromatic finder scope optics yield sharp, bright views for easy aiming.
6x power magnification reveals objects of interest in the sky.
Aluminum dovetail bracket has easy X-Y oriented alignment screws.
incuded bracket features a dovetail shoe that fits mounting bases found on most orion telescopes.
extra dovetail bases are available (sold separately) for attaching the finder scope to other telescopes.

Compact mini guide scope designed for use with astrophotography telescopes up to 1500mm focal length.
Mini 50mm guide scope with bright, wide-field optics puts numerous potential guide stars in view so you'll never have to search for one!.
Adjustable-aim dovetail guide scope bracket installs on virtually any astrophotography telescope quickly and easily.
Very small and compact autoguiding system adds hardly any weight to an astrophotography setup and can conveniently be stashed in an accessory case....
Designed for use with Orion StarShoot AutoGuider (sold separately) and other similar small-chip CCD autoguiders.

Binoviewers improve views dramatically, producing a three dimensional effect that you’ll love!.
Using two eyes for observing instead of one lets you see more detail, reduces eye fatigue, and increases contrast.
For use with catadioptric telescopes and other telescopes with sufficient back focus.
Includes an aluminum carry case with foam-lined interior.
Requires a matching pair of 1.25” eyepieces, sold separately.