ReviewsNewtonian Telescopes

Astromania Alignment 1.25' Next Generation Laser Collimator 2' Adaptor for Newtonian Telescopes

  • ...or Reflector telescope, with removable 2" adapter both fit for standard 1.25 inch diameter and 2 inch diameter. Red laser collimation beam with 7 brightness levels, wavelength 635-655 nm.
  • Output power: less than 5mw, much safer for your eyes. This sturdy laser unit allows you to swiftly and precisely collimate your Newtonian telescope. Only when the optics have been accurately collimated can the telescope offer you its full performance..
  • Built with metal material. CR2032 Lithium Cell battery (Not include).
  • Accurate collimation in a few minutes provide a more clearer image. The telescope can be collimated by just one person..
  • The precision-made aluminium housing of the laser unit has a front opening from which the laser beam can be emitted. In order to obtain an optimal adjustment, it has a side window allowing a disk oriented at 45° with a central hole to be viewed.This can be then later be used to see whether the laser is reflected back on itself, indicating well collimated optics..
  • This adjustment tool can be used in all 1.25" focusers. We provide you with precise instructions in German and English, with a step-by-step explanation of how to adjust a Newtonian telescope using this laser unit. So, even if you are a newcomer to amateur astronomy, it is....
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CGOLDENWALL NDJ-5S Rotary Visometer Digital Rotational Viscosity Meter Lab Viscometers 110-240V 1-100,000mPa.s Accuracy:±3.0% (With 0# rotor)

  • ...high sensitivity, so the test results are reliable, and also, the operation is very easy.With automatic search function, when you don't know what rotor and speed to choose, it can quickly help you find the right rotor and speed.
  • Application: This rotary viscometer can be used to measure the absolute viscosity of the Newtonian liquids and the apparent viscosity of the Non-Newtonian liquid. Also can be widely used in the tests the viscosity of the oil, paint, plastics, paints, detergents, drugs, jewelry and other objects.
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Captains 6' Brass Handheld Mini Telescope with Wooden Box Nautical Collectibles

  • ✔️★ Incredible Collection: We have the World's Largest Collection of Brass Nautical and a vast range of Nautical Telescopes. Our Telescopes are made with high quality Brass, Glass Lens, and some are sheathed with leather, some are of wooden. Most of the telescopes are packed in Wooden & Leather cases as described and also come in different finishes antique, bronze, dark, nickel & polished. All our telescopes are inspired.
  • ✔️★ Ultimate Purpose: This pirate spyglass is fully functional and can be utilized for years as a decorative item at your home and workspace. It enhances your home décor by giving it an elegant and sophisticated touch. Ideal for using on boats, hiking trips, bird watching, sports events, outdoor travel, sightseeing, concert, ball game, role playing, traveling etc..
  • ✔️★ Unique Gift: This handheld telescope is a unique gifting option for travelers, nautical collector’s, and educational present for kids on occasions like birthday, promotion ceremony, Thanksgiving, Christmas, friendship’s day, Easter, engagements, weddings, anniversaries and more. This Incredible Telescope was also designed in the style of the Royal Navy..
  • ✔️★ Ease of Mind for Carrying: The pocket telescope has a mini size, telescopic design. A....
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Astromania Adjustable Guiding Scope Rings 102 mm Inside Diameter (Pair) - for Telescope Tube Diameter or Finders 48 to 100mm

  • The inner diameter of the tube rings is 102 mm for Telescopes between 48 to 100mm tube diameter can be mounted adjustable..
  • The adjustment crews have teflon inlays for avoiding unaesthetic scratches and pressure marks on the telescope while still ensuring reliable clamping..
  • Solid metal guide scope rings for compact telescopes and finders with flat support surface and knurled metal screws..
  • At the base, the rings have a flat surface with four female M6 threads (Inner pair 20 mm - outer pair 38 mm) for easy adaption to dovetail bars or dovetail clamps. Big screws with maximum grip allow easy use - even with gloves..
  • Set: pair of two tube rings made of metal.The Astromania guide scope rings are suitable for small and medium-sized guiding telescopes.Ideal for astrophotography for mounting a guide scope parallel to the main telescope..
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Gosky 1.25inch Plossl Telescope Eyepiece - 4-Element Plossl Design - Threaded for Standard 1.25inch Astronomy Filters (20mm)

  • 1.25 inch 20mm eyepiece ideals for all types of reflector telescopes.
  • refractor telescopes and catadioptrics telescopes.
  • threaded for use with 1.25" standard telescope eyepiece filters to deep-sky objects such as nebulas and star clusters.
  • 4-element plossl design, has a approx 52 degree AFOV. The high quality optical lens minimizes internal reflection and maximizes contrast. The blackened eyepiece barrel also prevents reflection..
  • Standand 1.25inch size, fits all stand telescope brands. Threaded for 1.25inch astronomical filters. *Comes with sturdy plastic and rubber cap-proect the eyepiece from dust and moisture.
  • Eyepiece is fully threaded to minimize reflections.
  • blackened edges and blackened interior is blackened to reduce scattering of stray light and maximize contrast.
  • Soft rubber eye guard that's custom fitted with a bayonet mount and brings convenience to glasses wearers..
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VINCENT DE MOOR Orion City 12"

  • Heating Band for preventing dew accumulation on large aperture telescopes using the Orion Dew Zapper Pro 4-Channel Dew Prevention System.
  • Sized to fit telescopes with apertures from 9.25" to 12".
  • Features a 6 foot cable with right-angle connection for snug fit.
  • Requires Dew Zapper Pro 4-Channel Control Module for operation (sold separately).
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Gejoy 12 Pieces Plastic Pirate Telescopes Pirate Theme Party Telescopes Mini Telescopes Toy for Party Favor Supplies, Black

  • ✔️★Incredible Collection : We have the World's Largest Collection of Brass Nautical and a vast range of Nautical Telescopes. Our Telescopes are made with high quality Brass, Glass Lens, and some are sheathed with leather, some are of wooden. Most of the telescopes are packed in Wooden & Leather cases as described and also come in different finishes antique, bronze, dark, nickel & polished. All our telescopes are inspired.
  • ✔️★Ease of Mind for Carrying: The pocket telescope has a mini size, telescopic design. It’s lightweight and easy to carry, allowing you to take the pirate brass telescope with you anywhere you go. It is a great imitation of vintage spyglass. It focuses and magnifies due to the excellent optics for real viewing..
  • ✔️★Ultimate Purpose : This pirate spyglass is fully functional and can be utilized for years as a decorative item at your home and workspace. It enhances your home décor by giving it an elegant and sophisticated touch. Ideal for using on boats, hiking trips, bird watching, sports events, outdoor travel, sightseeing, concert, ball game, role playing, traveling etc..
  • ✔️★Unique Gift : This handheld telescope is a unique gifting option for travelers, nautical collector’s, and educational present fo....
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Mythrojan Mini Pirate Spyglass Telescope Brass Collapsible Hand Telescope with Wooden Box Small Vintage Telescope Pirate Decore Brass Decorative Telescope 6''

  • 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.
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Orion AstroTrack Drive for EQ-1 Equatorial Telescope Mount

  • 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.
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2X Barlow Nosepiece for William Optics Binoviewer

  • 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.
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Cannon Cannon-Fenske Routine Calibrated Viscometers, Size 100

  • For measurement of kinematic viscosity of transparent Newtonian liquids, particularly petroleum products or lubricants.
  • Meets ASTM D 445 and ISO 3104 requirements.
  • Specifications conform to ASTM D 446 and ISO 3105.
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