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RRP: £109.00 £97.00
in In stock (2)
SKU: 2459205
Baader Planetarium
Baader UV/IR Cut Filter 50.4mm Round UNMOUNTED
Added: 11/04/2019
 
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Planeoptically polished and hard coated! Blocks UV below 400nm and IR above (SII) 680nm. Maximum transmission, scratchproof hard coated.

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£156.00
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SKU: 10202084
Astronomik
Astronomik OWB CCD Typ 3 Clip-Filter Canon EOS XL
Added: 01/04/2019
 
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Astronomik OWB-CCD TYP 3 Clip Filter for Modified Canon EOS Cameras for Terrestrial Photography Mounted filter in EOS XL Clip-cell The OWB filter would usually not be designated as an "astronomicalÓ filter. The...

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£19.90
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SKU: F21-2-inch
Castell
Castell #21 Orange Planetary Filter 46% Transmission - 2"
Added: 06/03/2019
 
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Planetary Colour Filter #21 Orange 2-inch (46% transmission, M28.5x0.6)

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RRP: £665.00 £589.00
in In stock (2)
SKU: 2459400
Baader Planetarium
Baader f/2 Narrowband Highspeed-Filterset 2" - Set of 3 Filters H-alpha, OIII and SII
Added: 01/03/2019
 
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f/2 Highspeed Filterset consisting of 3 Filter: H-alpha, O III and S II. Highspeed Narrowband Filter are designed especially for the delicate requirements of extremely fast astrograph optics, in particular Hyperstar and RASA

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£1899.00
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SKU: SS80C
DAYSTAR FILTERS
DayStar Solar Scout 80mm Dedicated Carbon Fiber H-Alpha Solar Telescope - CHROMOSPHERE Model with ThermoCharge 10 Power Bank
Added: 16/02/2019
 
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FREE UK DELIVERY! AVAILABLE FROM UK STOCK!   The engineers at Daystar have made great strides in cost reduction so that we can now offer a quality 80mm H alpha telescope at unheard-of pricing!

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£1249.00
in In stock (2)
SKU: SS60C
DAYSTAR FILTERS
DayStar Solar Scout 60mm Dedicated Carbon Fiber H-Alpha Solar Telescope - CHROMOSPHERE Model with ThermoCharge 10 Power Bank
Added: 16/02/2019
 
(0 reviews)  
FREE UK DELIVERY! AVAILABLE FROM UK STOCK!   The engineers at Daystar have made great strides in cost reduction so that we can now offer a quality 60mm H alpha telescope at unheard-of pricing!

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£749.00
in In stock (5)
SKU: SS60-DS
DAYSTAR FILTERS
DayStar Solar Scout 60mm Double-Stack H-Alpha Solar Telescope with ThermoCharge 10 Power Bank
Added: 16/02/2019
 
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FREE UK DELIVERY! AVAILABLE FROM UK STOCK! The engineers at Daystar have made great strides in cost reduction so that we can now offer a quality 60mm H alpha telescope at unheard-of pricing!

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Save 4%
RRP: £90.00 £86.00
low Low stock (1)
SKU: 2408344
Baader Planetarium
2" double polarizing filter w/ rotating filter cell
Added: 11/02/2019
 
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Never use any eyepiece filter for solar observation without objective front filter!

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RRP: £134.00 £119.90
in In stock (2)
SKU: OPT-SII-CCD-6.5NM-1.25
OPTOLONG
Optolong SII-CCD 6.5nm Extra Narrow Band Deep Sky Imaging Filter 1.25" for CCD Astro Photography
Added: 06/01/2019
 
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This premium Optolong Narrowband SII filter (Sulphur II for CCD) is designed for CCD imaging of deep sky objects and nebulosity allowing 6.5nm bandwidth of light centered on a wavelength of 672nm through, which corresponds to...

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RRP: £134.00 £119.90
in In stock (2)
SKU: OPT-OIII-CCD-6.5NM-1.25
OPTOLONG
Optolong OIII-CCD 6.5nm Extra Narrow Band Deep Sky Imaging Filter 1.25" for CCD Astro Photography
Added: 04/01/2019
 
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This premium Optolong Extra Narrowband OIII-CCD filter is designed for CCD imaging of deep sky objects and nebulosity allowing 6.5nm bandwidth of light centered on a wavelength of 500nm through, which corresponds to OIII...

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RRP: £169.00 £149.00
in In stock (2)
SKU: OPT-SII-CCD-6.5NM-36MM
OPTOLONG
Optolong SII-CCD 6.5nm Extra Narrow Band Deep Sky Imaging Filter 36mm Unmounted
Added: 02/01/2019
 
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This premium Optolong Narrowband SII filter (Sulphur II for CCD) is designed for CCD imaging of deep sky objects and nebulosity allowing 6.5nm bandwidth of light centered on a wavelength of 672nm through, which corresponds to...

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Save 13%
RRP: £169.00 £146.90
in In stock (2)
SKU: OPT-OIII-CCD-6.5NM-36MM
OPTOLONG
Optolong OIII-CCD 6.5nm Extra Narrow Band Deep Sky Imaging Filter 36mm Unmounted
Added: 02/01/2019
 
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This premium Optolong Extra Narrowband OIII-CCD filter is designed for CCD imaging of deep sky objects and nebulosity allowing 6.5nm bandwidth of light centered on a wavelength of 500nm through, which corresponds to OIII...

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RRP: £169.00 £144.90
in In stock (2)
SKU: OPT-H-ALPHA-7NM-36MM
OPTOLONG
Optolong H-Alpha 7nm Narrowband Deepsky Filter 36mm Unmounted
Added: 02/01/2019
 
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This premium Optolong Narrowband H-Alpha filter is designed for nebula observation or CCD/dSLR imaging at 7nm bandwidth of light centered on a wavelength of 656nm, which corresponds to H-alpha emission lines. This filter...

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RRP: £228.00 £204.00
in In stock (3)
SKU: OPT-L-PRO-SONY-FF
OPTOLONG
Optolong L-PRO Maximum Luminosity Filter - SONY FULL FRAME Clip Filter
Added: 01/01/2019
 
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The Optolong L-Pro (L-Professional) filter is designed to provide maximum luminosity of the spectrum other than those areas caused by light pollution. Compatible with FULL FRAME SONY cameras.

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£775.00
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SKU: CHROMA_Ha3_2INCH
Chroma
Chroma Narrowband Filter - H-alpha 3nm - 2" Filter
Added: 01/01/2019
 
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H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 656.3nm, a narrow-band emission filter is required to separate H-Alpha from the SII doublet (671.6nm and 673.1nm)....

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£750.00
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SKU: CHROMA_Ha3_50ROUND
Chroma
Chroma Narrowband Filter - H-alpha 3nm - 50mm Round Unmounted
Added: 01/01/2019
 
(0 reviews)  
H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 656.3nm, a narrow-band emission filter is required to separate H-Alpha from the SII doublet (671.6nm and 673.1nm)....

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£760.00
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SKU: CHROMA_Ha3_50SQUARE
Chroma
Chroma Narrowband Filter - H-alpha 3nm - 50mm Square Unmounted
Added: 01/01/2019
 
(0 reviews)  
H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 656.3nm, a narrow-band emission filter is required to separate H-Alpha from the SII doublet (671.6nm and 673.1nm)....

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£760.00
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SKU: CHROMA_OIII3_50SQUARE
Chroma
Chroma Narrowband Filter - OIII 3nm - 50mm Square Unmounted
Added: 01/01/2019
 
(0 reviews)  
OIII 3nm Narrow Band filters isolate the doublet emission of doubly ionized Oxygen. After ionized hydrogen, this is the next most common emission when imaging nebulae. Doublet emission occurs at 495.9 and 500.7 nm.

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