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Filters - 243 - Huge Savings! Save up to 15%


Huge Savings! Up to 15% off on Filters at C Starr. Top brands include Spectrum Telescope, SVBONY, Celestron, Orion, Baader Planetarium, Cassini, Thousand Oaks Optical, Alstar, Thousand Oaks, highpointscientific, Astromania, & Neewer. Hurry! Limited time offers. Offers valid only while supplies last.



Film Solar Filter 6'' (ST600BP1) for Telescopes that fit this Filter size: Celestron: C4.5, C5/5i, FirstScope 114, NexStar 5/5SE, NexStar 114, 130GT;,
Film Solar Filter 6'' (ST600BP1) for Telescopes that fit this Filter size: Celestron: C4.5, C5/5i, FirstScope 114, NexStar 5/5SE, NexStar 114, 130GT;,
By Spectrum Telescope
In Stock
$67.00

mpn: ST600BP1, ean: 0751369823303,

4.7 out of 5 stars with 200 reviews
How do I determine the size of filter to order? Spectrum Telescope filters slip over the sky end of the optical tube of the telescope. To get the proper fit, measure the outer diameter by using a caliper, ruler, or tape measure. Measure the widest di...


SVBONY Filter for Photography Broadband CLS Filter for Astronomical Observation Photography CCD Cameras and DSLR (2 inch)
SVBONY Filter for Photography Broadband CLS Filter for Astronomical Observation Photography CCD Cameras and DSLR (2 inch)
By SVBONY
In Stock
$52.99

mpn: FF9155, ean: 0609378745584,

4.1 out of 5 stars with 91 reviews
SVBONY city light suppression broadband filter is designed to improve the visibility of various deep sky objects;By selectively reducing the transmission of wavelengths of light pollutants;specifically those produced by artificial lighting including ...


Celestron EclipSmart Solar Filter - PS127EQ / 130SLT Solar Safe Telescope Filter, Black (94222)
Celestron EclipSmart Solar Filter - PS127EQ / 130SLT Solar Safe Telescope Filter, Black (94222)
By Celestron
In Stock
$16.99

mpn: 94222, ean: 0050234942225,

4.0 out of 5 stars with 247 reviews
Get ready for the 2017 total solar eclipse with EclipSmart Solar Safe Products. Enhance your viewing experience with Celestron's EclipSmart Solar Filter for the 127 mm & 130 mm Telescopes. With two Velcro straps and four self-adhesive Velcro pads fo...


Orion 7730 4.30-Inch ID Full Aperture Solar Filter
Orion 7730 4.30-Inch ID Full Aperture Solar Filter
By Orion
In Stock
$87.19

mpn: 7730, ean: 0759270077303,

4.7 out of 5 stars with 210 reviews
Designed to fit snugly over the aperture of your telescope, these optical glass filters block 99.999% of incoming sunlight, allowing you to safely observe sunspots and solar granulation in the Sun's photosphere. The Sun appears in a natural, whitish...


Baader Premium Eyepiece Filter: Yellow, 495nm Longpass - 2'' # FCFY-2 2458311
Baader Premium Eyepiece Filter: Yellow, 495nm Longpass - 2" # FCFY-2 2458311
By Baader Planetarium
In Stock
$64.00

mpn: 4047825009715, ean: 4047825009715,

4.4 out of 5 stars with 51 reviews
The Baader Planetarium FCFY-2 Yellow Long-Pass Filter has a bandpass at 495 nm and is designed for 2" eyepieces. It has 98% transmission efficiency and is superb for bright planet and cometary details. It can be placed anywhere in the optical path wi...


Cassini 13-piece Astronomical Telecope Filter Set
Cassini 13-piece Astronomical Telecope Filter Set
By Cassini
In Stock
$89.99

mpn: CFS13, ean: 0859773004469,

4.2 out of 5 stars with 254 reviews
Threaded to fit standard 1.25" eyepieces and the Cassini 4 Slot Filter Wheel. Astronomical filters generally work by blocking a specific part of the color spectrum making the object more visible, 'contrasty', or defined. Filters can be used to incr...


Film Solar Filter 4.25'' (ST425BP1) Film Solar Filter Telescopes that fit this Filter size: Meade ETX 90; Celestron: NexStar 60/80/80GT, FirstScope 90EQ
Film Solar Filter 4.25'' (ST425BP1) Film Solar Filter Telescopes that fit this Filter size: Meade ETX 90; Celestron: NexStar 60/80/80GT, FirstScope 90EQ
By Spectrum Telescope
In Stock
$57.00

mpn: ST425BP1, ean: 0751369823242,

4.0 out of 5 stars with 154 reviews
How do I determine the size of filter to order? Spectrum Telescope filters slip over the sky end of the optical tube of the telescope. To get the proper fit, measure the outer diameter by using a caliper, ruler, or tape measure. Measure the widest di...


SolarLite Filter for Telescope, fits AR-5, TV-127 NP, Vixen 114
SolarLite Filter for Telescope, fits AR-5, TV-127 NP, Vixen 114
By Thousand Oaks Optical
In Stock
$79.00

mpn: 6250, ean: 7290110151119,

4.0 out of 5 stars with 103 reviews
SOLARLITE Filters: NEW (Best Value) After years of R & D we have developed a new solar film that has the optical quality of the glass with the advantages of impregnated polymer (Thousand Oaks Optical Black Polymer). Will never develop pin holes or sc...


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

mpn: 6971336220605, ean: 6971336220605,

4.5 out of 5 stars with 225 reviews
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, ...


Thousand Oaks Nebular Filter 1.25'' LP-3 25 Oxygen III
Thousand Oaks Nebular Filter 1.25" LP-3 25 Oxygen III
By Thousand Oaks
SKU: #TONF3Q
In Stock
$89.00

sku: TONF3Q, mpn: LP-325, ean: 0696720485557,

4.8 out of 5 stars with 250 reviews
Enhance your deep sky viewing with the latest in multi-layer coating technology. Over three years in development. Our filters transmit desired wave-lengths in a very steep slope vs. gentle transition slopes in competitive brands. This means better co...


ZWO LRGB Filter Set 1.25''
ZWO LRGB Filter Set 1.25"
By highpointscientific
In Stock
$95.00

mpn: FILTERSET1, ean: 0962392012088,

4.8 out of 5 stars with 47 reviews
The ZWO 1.25" LRGB filter set is a great accessory for imagers that want a solid filter set without breaking the bank.A quality 1.25" LRGB set for under $100.. The ZWO LRGB Filter Set includes four filters, 1.25" IR/CUT Filter, 1.25" Red Filter, 1.25...


Celestron 94244 Enhance your viewing experience Telescope Filter, 8'', Black
Celestron 94244 Enhance your viewing experience Telescope Filter, 8", Black
By Celestron
In Stock
$57.50
$48.99
You Save: 15%

mpn: 94244, ean: 0050234942447,

4.0 out of 5 stars with 38 reviews
Enhance your viewing experience with Celestron's EclipSmart Solar Filter for Celestron 8” telescopes. With two Velcro straps and four self-adhesive Velcro pads for added safety, you can be assured that the solar filter cannot be accidentally knock...


Orion 7784 2.32-Inch ID E-Series Safety Film Solar Filter
Orion 7784 2.32-Inch ID E-Series Safety Film Solar Filter
By Orion
In Stock
$23.10

mpn: 7784, ean: 5554442286843,

4.6 out of 5 stars with 126 reviews
This affordable solar filter fits any Orion 50mm finder scope, so you can accurately aim your telescope (which also needs to have a protective solar filter installed) at the Sun with proper protection. The Orion 2.32" ID E-Series Safety Film Solar Fi...


Astromania Deluxe Telescope LRGB 1.25 Inch Filter Set - Give Stunning Astrophotographic Results
Astromania Deluxe Telescope LRGB 1.25 Inch Filter Set - Give Stunning Astrophotographic Results
By Astromania
In Stock
$79.99

mpn: SKU_AM_LRGB1025, ean: 6970019291062,

4.6 out of 5 stars with 128 reviews
Take your astrophotography to the next level with this set of 1.25" Luminance (IR cutoff), Red, Green, and Blue telescope filters. They're designed for creating high-quality composite color astrophotos. Combining separate images taken through these ...


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

mpn: 6971336220520, ean: 6971336220520,

4.8 out of 5 stars with 63 reviews
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...


Celestron 94243 Enhance your viewing experience Telescope Filter, 6'', Black
Celestron 94243 Enhance your viewing experience Telescope Filter, 6", Black
By Celestron
In Stock
$39.95
$34.95
You Save: 13%

mpn: 94243, ean: 0050234942430,

4.3 out of 5 stars with 20 reviews
With two Velcro straps and four self-adhesive Velcro pads for added safety, you can be assured that the solar filter cannot be accidentally knocked off and will provide Solar Safe, ISO compliant viewing SkyProdigy 6" Computerized Telescope Advanced V...


Orion 5581 1.25-Inch Oxygen-III Nebula Eyepiece Filter
Orion 5581 1.25-Inch Oxygen-III Nebula Eyepiece Filter
By Orion
In Stock
$99.99

mpn: 5581, ean: 7044447856106,

4.4 out of 5 stars with 55 reviews
You can't turn up the luminosity on nebulas, but you can crank up the contrast between them and the sky to reveal more of their wondrous detail. Our Oxygen-III filter provides extremely selective filtration to bring out elusive detail in diffuse and...


Baader UHC-S Nebula Filter - 1.25'' # FUHC-1 2458275
Baader UHC-S Nebula Filter - 1.25" # FUHC-1 2458275
By Baader Planetarium
In Stock
$95.00

mpn: 2458275, ean: 4047825009869,

4.6 out of 5 stars with 109 reviews
The Baader UHC-S Nebula Filter 2" excels at delivering a high-contrast and natural view of emission nebula without excessive dimming and loss of background star fields. It is the perfect filter for viewing emission nebula from light polluted skies, o...


Astromania solar filter, 70mm - let you also do astronomy during the day
Astromania solar filter, 70mm - let you also do astronomy during the day
By Astromania
In Stock
$19.99

mpn: SKU_AM_SF70, ean: 6970019299112,

4.7 out of 5 stars with 176 reviews
The Astromania solar filter comes already assembled in a plastic frame. That means that you will not have to tinker around or construct anything. This filter makes it simplicity itself for you to use - just attach it to your telescope and it already ...


Neewer Pro 1.25 inch 25 Percent Transmission Neutral Density Moon Filter, Aluminum Frame Optical Glass Telescope Eyepiece Filter Helping Reduce Overall Brightness and Irradiation (Black)
Neewer Pro 1.25 inch 25 Percent Transmission Neutral Density Moon Filter, Aluminum Frame Optical Glass Telescope Eyepiece Filter Helping Reduce Overall Brightness and Irradiation (Black)
By Neewer
In Stock
$13.99

mpn: 10093138,

4.7 out of 5 stars with 72 reviews
NOTE: Telescope is NOT included. Description: To improve contrast and tone down glare easily, we recommend using a Neewer neutral-density 1.25 inch 25 percent Transmission Moon Filter. It can thread directly into a 1.25 inch eyepiece barrel and block...



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