Home :: OPTICAL ACCESSORIES

OPTICAL ACCESSORIES

Here you'll find mainly optical accessories for astronomical telescopes that are sometimes also compatible with some spotting scopes and observation binoculars.
If you are after mount accessories (non-optical accessories), please click here!

Barlows, Reducers & Correctors
Barlows, Reducers & Correctors
125 products
Collimating Tools
Collimating Tools
26 products
Eyepieces (31.7mm, 1.25")
Eyepieces (31.7mm, 1.25")
303 products
Eyepieces (50.8mm, 2")
Eyepieces (50.8mm, 2")
63 products
Filters
Filters
470 products
Filter Wheels
Filter Wheels
48 products
Finder-, guider- and polarscopes
Finder-, guider- and polarscopes
144 products
Focusers
Focusers
71 products
Focusing Masks
Focusing Masks
39 products
Prisms & Zenith Mirrors
Prisms & Zenith Mirrors
65 products
Spectroscopy
Spectroscopy
28 products
Torches Flashlights Headlights
Torches Flashlights Headlights
11 products
Other Accessories
Other Accessories
233 products

New Arrivals

£12.80
in In stock (3)
SKU: FP443
Farpoint Astro
Farpoint dSLR Astrophotography Focusing Tool - Bahtinov Focusing Mask 77mm FP443
Added: 23/10/2018
 
(0 reviews)  
Snap-in Bahtinov Mask for DSLR camera lenses with 77mm filter threads. The Bahtinov focus technique works best with longer focal lengths. It gets less useful with shorter focal lengths. The practical useful limit is...

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£12.80
in In stock (3)
SKU: FP441
Farpoint Astro
Farpoint dSLR Astrophotography Focusing Tool - Bahtinov Focusing Mask 67mm FP441
Added: 23/10/2018
 
(0 reviews)  
Snap-in Bahtinov Mask for DSLR camera lenses with 67mm filter threads. The Bahtinov focus technique works best with longer focal lengths. It gets less useful with shorter focal lengths. The practical useful limit is...

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£3609.00
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SKU: #19750
Optec
Optec Gemini Low-Profile Focusing Rotator System
Added: 05/10/2018
 
(0 reviews)  
Optec engineers have developed a completely new concept for combining telescope focus and camera rotation functions into a single robust, yet compact package.  Rather than simply adding a rotator onto the end of a focuser...

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£76.00
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SKU: SESTOSENSO-AD37
Primaluce Lab
Primaluce Lab 37mm Adapter for SESTO SENSO
Added: 22/07/2018
 
(0 reviews)  
This 37mm adapter allow you to install SESTO SENSO on focusers that come with 37mm diameter large shaft, like the 3,5" FeatherTouch and FSQ-130 (or other focusers with 37mm diameter large shaft). SESTO SENSO as standard...

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£65.80
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SKU: HitecAstro-DCFocus-USB-ID-2
HitecAstro
Hitec DCFocus Basic DC Controller for Skywatcher, JMI and other DC motors - USB ID 2
Added: 19/06/2018
 
(0 reviews)  
This is not a newer product! It simply has a different USB ID number than the original "Hitec DCFocus Basic DC Controller", so you would need to buy this one if you already have one "Hitec DCFocus Basic DC...

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£24.00
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SKU: 2459134
Baader Planetarium
Baader UFC S70 SP54 (male) Telescope-side Adapter for Baader Universal Filter Changer (optical length 1mm)
Added: 17/06/2018
 
(0 reviews)  
Baader UFC S70 SP54 male Adapter. Telescope-sided SP54 outer thread. Camera-sided with S70 dovetail. Can be adapted via the S70 dovetail to the UFC filter base #2459110 as well as to UFC extensions.

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RRP: £9.00 £8.76
in In stock (4)
SKU: 2459153
Baader Planetarium
Baader UFC D 1.25" AUX Filter Holder for Baader Universal Filter Changer (requires #2459113)
Added: 17/06/2018
 
(0 reviews)  
Baader UFC 1.25" AUX-Filter-Holder. Suitable for mounted 1.25" filters. Requires 1x UFC D50.4 Slider #2459113. Gets mounted into the UFC D50 slider, this slides into the UFC filter base and allows fast exchange...

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Save 3%
RRP: £9.00 £8.76
in In stock (4)
SKU: 2459152
Baader Planetarium
Baader UFC D 36mm AUX Filter Holder for Baader Universal Filter Changer (requires #2459113)
Added: 17/06/2018
 
(0 reviews)  
Baader UFC 36 mm AUX-Filter-Holder. Suitable for unmounted, round 36 mm filters. Requires 1x UFC D50.4 Slider #2459113. Gets mounted into the UFC D50 slider, this slides into the UFC filter base and allows fast exchange...

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Save 3%
RRP: £9.00 £8.76
in In stock (4)
SKU: 2459151
Baader Planetarium
Baader UFC D 31mm AUX Filter Holder for Baader Universal Filter Changer (requires #2459113)
Added: 17/06/2018
 
(0 reviews)  
Baader UFC 31 mm AUX-Filter-Holder. Suitable for unmounted, round 31 mm filters. Requires 1x UFC D50.4 Slider #2459113. Gets mounted into the UFC D50 slider, this slides into the UFC filter base and allows fast exchange...

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£83.00
in In stock (2)
SKU: 2459145
Baader Planetarium
Baader UFC S70 Varilock 15-20mm Extension for Baader Universal Filter Changer
Added: 17/06/2018
 
(0 reviews)  
Baader UFC S70  Varilock Extension with 15 - 20mm optical length. Continuosly (stepless) adaptable UFC extension with millimeter scale for fine-tuning of the optical height between 15 and 20mm in the UFC system.

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£32.00
in In stock (2)
SKU: 2459143
Baader Planetarium
Baader UFC S70 40mm Extension for Baader Universal Filter Changer
Added: 17/06/2018
 
(0 reviews)  
Baader UFC S70/5 Extension with 40mm optical length. Telescope-sided with S70 dovetail clamp (screws included). Camera-sided with S70 dovetail. Can be adapted via the S70 dovetail to the UFC filter base #2459110 and allows...

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£27.00
in In stock (2)
SKU: 2459142
Baader Planetarium
Baader UFC S70 15mm Extension for Baader Universal Filter Changer
Added: 17/06/2018
 
(0 reviews)  
Baader UFC S70/5 Extension with 15mm optical length. Telescope-sided with S70 dovetail clamp (screws included). Camera-sided with S70 dovetail. Can be adapted via the S70 dovetail to the UFC filter base #2459110 and allows...

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£23.00
in In stock (2)
SKU: 2459141
Baader Planetarium
Baader UFC S70 5mm Extension for Baader Universal Filter Changer
Added: 17/06/2018
 
(0 reviews)  
Baader UFC S70/5 Extension with 5mm optical length. Telescope-sided with S70 dovetail clamp (screws included). Camera-sided with S70 dovetail. Can be adapted via the S70 dovetail to the UFC filter base #2459110 and allows...

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£72.00
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SKU: 2459133
Baader Planetarium
Baader UFC S70 C14 Hyperstar Telescope-side Adapter for Baader Universal Filter Changer (optical length 8.3mm)
Added: 17/06/2018
 
(0 reviews)  
Baader UFC S70 / C14 Hyperstar, SC, HD Adapter. Camera-sided with S70 dovetail. Can be adapted via the S70 dovetail to the UFC filter base #2459110 as well as to UFC extensions.

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£64.00
in In stock (2)
SKU: 2459132
Baader Planetarium
Baader UFC S70 C11 / C9.25 Hyperstar Telescope-side Adapter for Baader Universal Filter Changer (optical length 4.1mm)
Added: 17/06/2018
 
(0 reviews)  
Baader UFC S70 / C11 / C9.25 Hyperstar, SC, HD Adapter. Camera-sided with S70 dovetail. Can be adapted via the S70 dovetail to the UFC filter base #2459110 as well as to UFC extensions.

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£59.00
out Ask about stock
SKU: 2459131
Baader Planetarium
Baader UFC S70 C8 Hyperstar Telescope-side Adapter for Baader Universal Filter Changer (optical length 3mm)
Added: 17/06/2018
 
(0 reviews)  
Baader UFC S70 / C8 Hyperstar, SC, HD Adapter. Camera-sided with S70 dovetail. Can be adapted via the S70 dovetail to the UFC filter base #2459110 as well as to UFC extensions.

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£21.00
in In stock (2)
SKU: 2459130
Baader Planetarium
Baader UFC S70 T-2 (female) Telescope-side Adapter for Baader Universal Filter Changer (optical length 1mm)
Added: 17/06/2018
 
(0 reviews)  
Baader UFC S70 T-2 Adapter. Telescope-sided T-2 inner thread (M42x0.75). Camera-sided with S70 dovetail. Can be adapted via the S70 dovetail to the UFC filter base #2459110 as well as to UFC extensions.

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£21.00
in In stock (2)
SKU: 2459129
Baader Planetarium
Baader UFC S70 M48 (female) Telescope-side Adapter for Baader Universal Filter Changer (optical length 1mm)
Added: 17/06/2018
 
(0 reviews)  
Baader UFC S70 M48 Adapter. Telescope-sided M48 inner thread. Camera-sided with S70 dovetail. Can be adapted via the S70 dovetail to the UFC filter base #2459110 as well as to UFC extensions.

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