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User Manuals for AccessoriesYou have selected the product series Optics - Telescopes - Accessories. Now choose the brand, model or product code you are looking for. If it is not available, you can request it from customer support.
Sub-categories – select a sub-category:
Astronomy Books & Tutorials - Astrophotography - Finderscopes & Accessories - Focusers - Other Telescope Accessories - Telescope Cases
Manufacturers – select a brand:
Barska - Celestron - iOptron - Levenhuk - Meade - SBIG - Sky-Watcher - Starlight Xpress - Vixen Optics
| Showing: 771-780 products | Total: 866 products | | 1 ... 76 | 77 | 78 | 79 | 80 ... 87 |
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JMI Telescopes MOTOFOCUS Electric Telescope Focusing |
JMI Telescopes MOTOFOCUS is a motorized electronic focusing mechanism that affixes to your Meade ETX-90, ETX-105, and ETX-125 telescope's knob (all versions). It installs easily, and can be quickly detached for transport. MOTOFOCUS is particularly helpful with the ETX scopes when viewing near zenith, because it is very hard t...
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JMI Telescopes EV-2CM Focuser for Cassegrain |
The JMI EV-2CM is a fine motorized rack-and-pinion focuser designed to work with Cassegrain Telescopes from 6" to 16" diameter. It is a 2" black-anodized aluminum focuser equipped with rubber grip knobs, standard brass ring and reducer to accept 1.25" eyepieces. The EV-2CM can support up to 8 pounds. It features manual control for focusi...
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JMI Telescopes Light Shroud for 10" |
Designed to block stray peripheral light from entering the open-truss optical tube of 10" Meade LightBridge or similarly-sized Dobsonian telescopes, JMI's Light Shroud is made of a stretch-fit cotton and elastic material that fits snugly to the optical tube and is equipped with touch-fastener tabs to secure it firmly in place. With the Light Shrou...
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JMI Telescopes EV-1N Focuser for Newtonian |
The JMI EV-1N is a Crayford-style focuser designed to work with Newtonian Telescopes. It is a 2" black-anodized aluminum focuser equipped with rubber grip knobs, standard brass ring and reducer to accept 1.25" eyepieces. The EV-1N can support up to 8 pounds. It features dual-speed manual control capability for rapid and fine focus. The r...
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JMI Telescopes 5" Large Wheels for |
JMI offers the option of upgrading the standard 2-3/8" hard rubber wheels with the larger 5" Wheels after the original purchase of the Universal-Style Wheeley Bars. Larger wheels are designed to increase height on rough surfaces such as grass, dirt and gravel. However, careful precautionary measures must be taken while moving heavy tripo...
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JMI Telescopes EV-3C Focuser for Cassegrain |
The JMI EV-3C is a fine rack-and-pinion focuser designed to work with Cassegrain Telescopes from 6" to 16" diameter. It is a 2" black-anodized aluminum focuser equipped with knurled knobs, standard brass ring and reducer to accept 1.25" eyepieces. The EV-3C can support up to 4 pounds. It features manual control for focusing, which is ove...
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Vixen Optics f 5.2 Focal Reducer |
The Vixen Focal Reducer for the ED81S, ED103S, & ED115S telescopes is a high-quality reducer for imaging use, designed to shorten the effective focal length of your refractor. Shortening the scope's effective focal length quickens exposures and widens the field of view. To use this focal reducer, you'll need both the Vixen #3878 Direct ...
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Vixen Optics 0.62x Focal Reducer for |
The Vixen Focal Reducer for the VMC200L & VMC260L telescopes changes the effective focal length by a factor of 0.62x, providing a wider field of view and shorter exposures times. To use this focal reducer, you will need your SLR camera's specific T-ring and the #3878 Direct Wide Photo Adapter. Large, clear lens generates unvignetted views Re...
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Vixen Optics DG-DX28 28mm Adapter Ring |
The Vixen DG-DX Series Adapter Rings are used in combination with either the #3918 DG-LV DX Digiscoping Adapter or the #37221 DG-NLV DX Digiscoping Adapter, completing the puzzle so that a digital camera which accepts filters can be affixed to the rear of a telescope with an attached eyepiece. The 28mm Adapter Ring has, as the name would imply, a ...
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Vixen Optics DG-DX43 43mm Adapter Ring |
The Vixen DG-DX Series Adapter Rings are used in combination with either the #3918 DG-LV DX Digiscoping Adapter or the #37221 DG-NLV DX Digiscoping Adapter, completing the puzzle so that a digital camera which accepts filters can be affixed to the rear of a telescope with an attached eyepiece. The 43mm Adapter Ring has, as the name would imply, a ...
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| 1 ... 76 | 77 | 78 | 79 | 80 ... 87 | | Showing: 771-780 products | Total: 866 products |
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