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Alstar


Save on Alstar products at C Starr. Hurry! Limited time offers. Offers valid only while supplies last.



Alstar C Mount To 1.25'' Video Camera Barrel Adapter Telescope Astrophotography - for one C-mount (male thread) to 1.25'' eyepiece convertor for telescopes
Alstar C Mount To 1.25" Video Camera Barrel Adapter Telescope Astrophotography - for one C-mount (male thread) to 1.25" eyepiece convertor for telescopes
In Stock
$15.99

mpn: SKU_AM_CMAT1A, ean: 6970019291437,

This adapter make you attach your video camera with a 'C' or 'CS' thread to your telescope for prime focus photography. C-threads are commonly used in most consumer video cameras whereas the CS thread is mostly used in security cameras. The camera mu...


Alstar 2'' Moon Telescope Eyepiece Color Filter ND96-0.9
Alstar 2" Moon Telescope Eyepiece Color Filter ND96-0.9
In Stock
$22.99

mpn: 6971336220605, ean: 6971336220605,

Neutral density filters are excellent filters to reduce the overall brightness of an image to cut down glare while viewing bright astronomical objects through a telescope. They are useful for splitting binary systems, comfortably observing the moon, ...


Alstar 2'' IR CUT Filter
Alstar 2" IR CUT Filter
In Stock
$23.99

mpn: 6971336220520, ean: 6971336220520,

This kind of Filters are made from renowned Schott and Hoya optical glass and allow for maximum contrast on viewing planetary and lunar detail. Individually precision ground, highly polished with maximum light transmission coatings on both sides, the...


Alstar 1.25'' 4mm Plossl Telescope Eyepiece - 4-element Plossl Design - Threaded for Standard 1.25inch Astronomy Filters
Alstar 1.25" 4mm Plossl Telescope Eyepiece - 4-element Plossl Design - Threaded for Standard 1.25inch Astronomy Filters
In Stock
$18.99

mpn: SKU_AM_PT14A, ean: 6970019299266,

This is a very nice medium power eyepiece set. 1.25- inch 4mm plossl eyepiece set , gives the widest viewing field along with extra sharpness and long eye relief. 4-element plossl design, has a approx 52- degree AFOV. Perfect for broad-field lunar ob...


Alstar 1.25'' O-III Filter - Produces Near-photographic Views of the Veil, Ring, Dumbbell and Orion Nebula, Among Many Other Objects
Alstar 1.25" O-III Filter - Produces Near-photographic Views of the Veil, Ring, Dumbbell and Orion Nebula, Among Many Other Objects
In Stock
$43.99

mpn: 6971336220360, ean: 6971336220360,

The Alstar 1.25" O-III Filter is comparable to the Alstar UHC filter in its function. The difference is that this filter only allows the light of doubly ionized oxygen through. This means that there is an enormous increase in contrast with diffuse, p...


Alstar 1.25'' Moon / Skyglow Filter
Alstar 1.25" Moon / Skyglow Filter
In Stock
$15.99

mpn: 6971336220315, ean: 6971336220315,

The Moon & Skyglow is a multi-bandpass filter transmitting a high percentage of light in the visual spectrum. The filter enhances contrast when observing brighter objects including the moon and planets. It also will suppress sky glow from artificial ...


Alstar Astronomical 2''/M48-extension Tube Kit for cameras and eyepieces - Length 5mm 10mm 20mm 30mm - M48x0.75 on Both Sides
Alstar Astronomical 2"/M48-extension Tube Kit for cameras and eyepieces - Length 5mm 10mm 20mm 30mm - M48x0.75 on Both Sides
In Stock
$28.99

mpn: SKU_AM_M48EXT5123A, ean: 6970019292045,

Sometimes you cannot get to the right focal plane for focusing with a camera or eyepiece. This extension tube kit solves this problem. You can use this extender with any camera or eyepiece or with various adapters. The M48*0.75 threads on both ends m...


Alstar 2'' Superior Quality Multiple 5-Position Filter Wheel For Telescope - allowing you to image without any reflections or stray light
Alstar 2" Superior Quality Multiple 5-Position Filter Wheel For Telescope - allowing you to image without any reflections or stray light
In Stock
$87.99

mpn: SKU_AM_FW2M5A, ean: 6970019299945,

This 2" filter wheel lets you use up to 5 different filters and change them within just a few seconds. Whether for astrophotography or visual observing - your filters are always ready to use. Use the filter wheel with UHC, OII, CLS and other filters,...


Alstar Middle-sizes dovetail with one screw - for telescopes and cameras
Alstar Middle-sizes dovetail with one screw - for telescopes and cameras
In Stock
$45.99

mpn: 6971336221473, ean: 6971336221473,

Dovetail Clamp with 1 Brass Screw with Pressure Shoe for Mounting Vixen/celestron. With the quick coupling, you can attach your telescope or camera safely. The clamp can be screwed directly to photo tripods. It is especially suited for building doubl...


Alstar 1.25'' 40mm Plossl Telescope Eyepiece - 4-element Plossl Design - Threaded for Standard 1.25inch Astronomy Filters
Alstar 1.25" 40mm Plossl Telescope Eyepiece - 4-element Plossl Design - Threaded for Standard 1.25inch Astronomy Filters
In Stock
$35.99

mpn: SKU_AM_PT140A, ean: 6970019299358,

Compared to the standard eyepieces that come included in the accessories of many telescopes, Alstar Plossl eyepieces offer not only much higher quality but also a wider field of view. The 52° field of view means you will see many objects in their en...


Alstar T-ring and M42 to 1.25'' Telescope Adapter (T-mount) for 42mm Pentax-k SLR / DSLR Telescope Cameras.(FOR Camera K-x, K-r, K-01, K-30, K20D, K200D, K2000, K1000, K100D Super, K110D, Etc).
Alstar T-ring and M42 to 1.25" Telescope Adapter (T-mount) for 42mm Pentax-k SLR / DSLR Telescope Cameras.(FOR Camera K-x, K-r, K-01, K-30, K20D, K200D, K2000, K1000, K100D Super, K110D, Etc).
In Stock
$14.99

mpn: SKU_AM_TRPKM42A, ean: 6970019291680,

"This set contains a T-ring for Pentax-k Cameras and a 1.25"" to M42 T-mount. They are made of high-quality material, durable for long time use.It is very easy to use:1. Connect the T-ring mount and T-Mount by M42 threads.2. Assemble the set to your ...


Alstar 1.25'' 6mm Plossl Telescope Eyepiece - 4-element Plossl Design - Threaded for Standard 1.25inch Astronomy Filters
Alstar 1.25" 6mm Plossl Telescope Eyepiece - 4-element Plossl Design - Threaded for Standard 1.25inch Astronomy Filters
In Stock
$18.99

mpn: SKU_AM_PT16A, ean: 6970019299273,

This is a very nice medium power eyepiece set. 1.25- inch 6mm plossl eyepiece set , gives the widest viewing field along with extra sharpness and long eye relief. 4-element plossl design, has a approx 52- degree AFOV. Perfect for broad-field lunar ob...


Alstar 1.25'' Extendable Camera Adapter - for Either Prime-focus Or Eyepiece-projection Astrophotography with Refractors or Reflector Telescopes - Threaded for Standard 1.25inch Astronomy Filters
Alstar 1.25" Extendable Camera Adapter - for Either Prime-focus Or Eyepiece-projection Astrophotography with Refractors or Reflector Telescopes - Threaded for Standard 1.25inch Astronomy Filters
In Stock
$19.99

mpn: SKU_AM_CA1EA, ean: 6970019291758,

"The Alstar 1.25" Variable Universal Camera Adapters allow attachment of a camera body to reflector and refractor telescopes for either prime-focus or telescope eyepiece-projection photography. The adapter's 1.25" nosepiece slides into the telescope'...


Alstar DeLuxe Dovetail Plate Dovetail Rail with 228 mm length - Vixen Style - you can easily balance the telescope by shifting
Alstar DeLuxe Dovetail Plate Dovetail Rail with 228 mm length - Vixen Style - you can easily balance the telescope by shifting
In Stock
$47.99

mpn: 6971336221497, ean: 6971336221497,

This Alstar DeLuxe Dovetail Bar is suitable even for heavy telescopes where simple profile bars start to vibrate. Through the smooth side profile, you can easily balance the telescope by shifting. The dovetail bar fits to: - Vixen GP and SX mounts - ...


Alstar T-ring and M42 to 1.25'' Telescope Adapter (T-mount) for Nikon SLR/DSLR Cameras
Alstar T-ring and M42 to 1.25" Telescope Adapter (T-mount) for Nikon SLR/DSLR Cameras
In Stock
$14.99

mpn: SKU_AM_TRNKM42A, ean: 6970019291666,

This set contains a T-ring for Nikon Cameras and a 1.25" to M42 T-mount. They are made of high-quality material, durable for long time use. It is very easy to use: 1. Connect the T-ring mount and T-Mount by M42 threads. 2. Assemble the set to your Ni...


Alstar 9x50 Finder Scope, Black - it provides both a bright image and comfortable viewing
Alstar 9x50 Finder Scope, Black - it provides both a bright image and comfortable viewing
In Stock
$73.99

mpn: SKU_AM_FS9X50A, ean: 6970019299877,

This finder scope has a 50mm aperture, and so provides a particularly bright image. Objects which you are not even able to see using just the naked eye will usually become directly visible. Also, if you are trying to locate one of the brighter DSOs, ...


Alstar 6x30 Finder Scope, Black - provides an upright, non-reversed image
Alstar 6x30 Finder Scope, Black - provides an upright, non-reversed image
In Stock
$43.99

mpn: SKU_AM_FS6x30A, ean: 6970019299853,

You cannot see most astronomical objects with your naked eye. Looking through the finder scope gives you 18X more light, allowing many astronomical objects to become visible to your eye. The 6x30 finder scope has a small 30mm aperture objective and 6...


Alstar 1.25'' Luminance Filter
Alstar 1.25" Luminance Filter
In Stock
$29.99

mpn: 6971336220407, ean: 6971336220407,

One of our High Transmission (HT) precision range of filters, this 1.25"" Luminance & Clear filter is sure to impress on performance, quality and price. Each filter comes with its own individual data sheet of performance - guaranteed! This is the equ...


Alstar 1.25'' 17mm Plossl Telescope Eyepiece - 4-element Plossl Design - Threaded for Standard 1.25inch Astronomy Filters
Alstar 1.25" 17mm Plossl Telescope Eyepiece - 4-element Plossl Design - Threaded for Standard 1.25inch Astronomy Filters
In Stock
$22.99

mpn: SKU_AM_PT117A, ean: 6970019299310,

This is a very nice medium power eyepiece set. 1.25- inch 17mm plossl eyepiece set , gives the widest viewing field along with extra sharpness and long eye relief. 4-element plossl design, has a approx 52- degree AFOV. Perfect for broad-field lunar o...


Alstar 1.25'' to 0.965'' Adapter - Allow you use 0.965'' accessories on 1.25'' telescope!
Alstar 1.25" to 0.965" Adapter - Allow you use 0.965" accessories on 1.25" telescope!
In Stock
$12.99

mpn: SKU_AM_ZA1T3A, ean: 6970019291659,

This is a very high quality anodized aluminum adapter that has filter threads at the bottom for 1.25" telescope filters. This eliminates marks on your eyepiece barrel. Nice large thumbscrew that is easy to turn even in very cold conditions or with gl...



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