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User Manuals for TelescopesYou have selected the product series Optics - Telescopes. Now choose the brand, model or product code you are looking for. If it is not available, you can request it from customer support.
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Accessories - Eyepieces & Accessories - Mounts & Tripods - Solar Observing
| Showing: 2491-2500 products | Total: 2944 products | | 1 ... 248 | 249 | 250 | 251 | 252 ... 295 |
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Celestron PowerSeeker 114EQ 114mm f 8 |
Powerseeker EQ Series Ideal for near and deep-sky observation, Celestron's PowerSeeker 114EQ 114mm f/8 Reflector Telescope features a respectable focal length and a larger parabolic mirror that produce detailed images of the Moon, clear views of the planets, and the ability to resolve bright distant objects such as nebulae and galaxies....
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Konus Electric Focuser for the #1735 |
An electric focuser makes it easier to fine tune your telescope's focus point, and is particularly noticed when viewing at higher magnifications. Without an electric focuser, it is often easy to pass right by the ideal focusing point. Table of Contents ...
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Lumicon Infrared 48mm Filter |
The Lumicon Infrared 2" filter delivers both ultraviolet protection as well as blocking infrared waves beyond 750nm. The 1.25" filters employ industry-standard 1.125" x 42 tpi threads (except for Questar/Brandon, which use a thread pattern unique to Questar). The 48 mm filters employ industry-standard 48 x 0.75 mm threading, which t...
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Lumicon Minus Violet 1.25" Filter |
The Lumicon Minus Violet Filter 1.25" greatly improves photographs taken through lenses of any kind. This filter is made from optically flat specially made colored glass, and has anti-reflection coatings on both surfaces. When you want the maximum clarity you can get from a star, this is the filter to use. Celestial "halos" can obsc...
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Lumicon Comet Filter |
The Lumicon Cassegrain Comet Filter, a narrow band-pass filter (25nm), isolates the 501nm OIII line and both C2 lines at 511nm and 514nm. The Cassegrain filter cell threads onto your telescope's SCT rear-cell, and presents male SCT threads for accessory attachment. Lumicon knows that all sky viewing is not done under the best of weather conditions...
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Lumicon Hydrogen-Beta 48mm Filter |
Also known as the Horsehead Nebula filter, the Lumicon 2" Hydrogen-Beta Filter isolates only the hydrogen-beta line of the spectrum (486nm) in a narrow pass-band just 9 nm wide, providing maximum contrast. The 1.25" filters employ industry-standard 1.125" x 42 tpi threads (except for Questar/Brandon, which use a thread pattern uniqu...
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Lumicon Ultra High Contrast Filter |
The original Lumicon Cassegrain Ultra High Contrast Rear Cell Filter is unbeatable for revealing nebulosity. This is achieved by passing three nebula emission lines-the two doubly ionized oxygen lines (496 and 501nm) and the H-beta line (486nm)-while blocking light-pollution and Sky Glow. The result is superb views of the Orion, Lagoon, Swan and o...
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Lumicon Deep Sky Filter |
The best all-purpose nebula filter on the market today, the Lumicon Cassegrain Deep Sky Filter blocks all high & low-pressure mercury and sodium vapor lamp light, neon lights and airglow, while transmitting the rest of the visible spectrum. The Cassegrain Deep Sky Filter threads onto your telescope's SCT rear-cell, and presents male SCT threads fo...
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Lumicon Light Blue 82A 48mm Filter |
This Lumicon 82A Light Blue 2" Filter is a light balancing filter used to increase the color temperature slightly for a cooler tone. This blue filter absorbs the excessive yellow-red light from daylight in the morning. In celestial photography, this filter may "cool down" the reddish tones found in certain stars or planets. For plan...
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Lumicon Violet #47 48mm Filter |
This Lumicon #47 2" Violet Filter produces the same results as the #38 Blue filter only more intensely. Therefore, it has the same application. Its stronger effect makes it a mood creating filter photographing in fog or when aerial perspective is to be accentuated. For planetary observing, color filters bring out the most detail because planets ar...
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| 1 ... 248 | 249 | 250 | 251 | 252 ... 295 | | Showing: 2491-2500 products | Total: 2944 products |
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| Discussion |
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AEW R 4100
Name: MAURICIO ANGARITA
Audio-Technica AEW-R4100 UHF Diversity Receiver for
AEW R 4100 has the mute function blocked and does not allow audio to pass. I tried several times to turn off the mute from the transmitter but it does nothing, the mute stays on. Solution?
Thank you...
Instructions for assembling the 2015 Forecast Image Master Consoles GC3-A
Name: mike elam
Forecast Consoles GC3-A ImageMaster Editing Console
Looking for instructions for assembling this console. ...
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Name: LINDA BAD YELLOW EYES
Brother TN223BK Standard-Yield Toner
I HAD TO CHANGE OUT ALL THREE TONERS DUE TO LEAKS IN THE YELLOW AND CYAN. AFTER I REPLACED THEM, THE MACHINE KEEPS GIVING ME AN EMPTY TONER ERROR MESSAGE. HELP!!...
PS480D 20/24 pin Switching 480W Power Supply
Name: swkargo
Logisys 480W Power Supply
This item states in can run -5vdc .It is NOT listed on the board or I beleive is r4 is missing the resitior. Any body have thid issue. Shawn
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Help needed
Name: Ann Carter
SanDisk 1TB Extreme Portable USB 3.1
When I click the link to download the user manual for my Sandisk Extreme external hard drive, it gives me the manual for the LG Cricket. Can you please change the link so I can download the Sandisk manual and begin using this drive? Thank you....
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