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Extensions, SC & Other Adapters

Extensions, SC & Other Adapters

Under this category you will find 2" Smith-Cassegrain adapters, eyepiece holders, extender tubes and other adapters.

2" 4-in-1 Adapter, Combo of 2" clamp with 4 focuser adaptations
Online Only -6 %
Four in One 2-Inch Eyepiece Holder Clamp, M682" Four-in-One Adapter - combo of 2" clamp with four focuser adaptations; M68 (Zeiss/Baader) / 2.7" (Astro Physics) / M60 (Synta Newtonians and Vixen) / M56 (Synta refractors) On the telescope side it's got M60 and M68 male threads and M56 female thread..
£60.00 £64.00
Ex Tax:£50.00
2" Locking Ring ( for Celestron SC's 8"/9.25"/11"/14") with female 2" SC-thread (5 mm optical length)Baa-9-2458270 ..
£30.00 £32.00
Ex Tax:£25.00
2" SC Deluxe Clamp with integrated 2" Eyepiece Filter holder
-5 % Ask About Stock
2" SC Deluxe Clamp with integrated 2" Eyepiece Filter holder (consisting of 2958141 and 2958142)Baa-9-2958144#17A+B ..
£52.00 £55.00
Ex Tax:£43.33
Brand: 365ASTRONOMY
2" Extended T-mount Camera Adapter / T-2 extension tube with 2" barrel with safety groove (or slanted shoulder) to reduce chance of occasionally dropping off the attached accessories. This adapter might be a better choice than the usual 1.25" version, especially if you have a full frame camera attac..
£16.80
Ex Tax:£14.00
Brand: 365ASTRONOMY
2" Visual Back with M54 male and M48 female threads for Flatteners, Reducers, Coma CorrectorsThis is a 2" visual back that is compatible with a wide range of flatteners, coma correctors, reducers, extenders etc that come either with a male M48x0.75 thread (many Lacerta, Baader, Synta and Celestron..
£27.00
Ex Tax:£22.50
2"/M68/3.3" Ultrashort 2" clamp for C11/C14/Meade SC Telescopes
-10 % Ask About Stock
2"/M68/3.3" Ultrashort 2" clamp for C11/C14/Meade SC´s, consisting of #2458196 + #2408145 (Same function as Astro Physics ADATCC2 #1408480) Baa-9-2458197 Please CONTACT US for up-to-date availability information!..
£76.00 £84.00
Ex Tax:£63.33
Brand: 365ASTRONOMY
365Astronomy 1.25" SCL Self-Centering-Lock - Self Centering Visual Back 2" to 1.25" with M48 Female Thread It is practically a 1.25" eyepiece holder (also called visual back) that can be plugged into a 2" eyepiece holder, thus effectively converting 2" into 1.25", but with quick locking and self cen..
£34.00 £39.00
Ex Tax:£28.33
Brand: 365ASTRONOMY
365Astronomy 1.25" SCL Self-Centering-Lock - Self Centering Visual Back M48-thread to 1.25" with M48 Female Thread It is practically a 1.25" eyepiece holder (also called visual back) that can be attached to (screwed onto) a male M48 thread.SpecificationsM48 female (M48x0.75) thread on the tele..
£39.00
Ex Tax:£32.50
Brand: 365ASTRONOMY
365Astronomy 1.25" SCL Self-Centering-Lock - Self Centering Visual Back T-thread to 1.25" with T2 Female Thread It is practically a 1.25" eyepiece holder (also called visual back) that can be attached to (screwed onto) a male T-thread.SpecificationsT2 female (M42x0.75) thread on the telescope ..
£34.00 £39.00
Ex Tax:£28.33
Brand: 365ASTRONOMY
365Astronomy 2" SC EXTENSION for Celestron and Meade SCTs (Schmidt-Cassegrain Telescopes)A robust metal extension for you SCT!This can also be purchased in a bundle together with a SC visual back.SpecificationsSC (2") female thread at one end and SC (2") male thread at the other end (these..
£25.00
Ex Tax:£20.83
Brand: 365ASTRONOMY
365Astronomy 2" SC Visual Back for Celestron and Meade SCTs (Schmidt-Cassegrain Telescopes) (without extension!)The optical length of the visual back is 43mm. (A 31mm long extension is available separately.)Brass compression ring for safer and better grab for your eyepieces or other 2" accessori..
£39.00
Ex Tax:£32.50
Brand: 365ASTRONOMY
365Astronomy 2" SC Visual Back for Celestron and Meade SCTs (Schmidt-Cassegrain Telescopes) with ExtensionThis visual back includes a 31mm long SC-male / SC-female extension.The optical length of the visual back is 43mm (without the extension) or 74mm with the extension.Brass compression ring ..
£59.00
Ex Tax:£49.17
Brand: 365ASTRONOMY
365Astronomy 2" SCT Eyepiece Holder with Compression Ring for SC Telescopes Comes with a 2" SC thread to connect to a Celestron or Meade Schmidth-Cassegrain telescope. One screw would secure the inserted accessory via a compression ring that might be enough, but we'd be happier if it had two or m..
£22.80
Ex Tax:£19.00
Brand: 365ASTRONOMY
With the ever increasing size of camera sensors there is a need to precisely adjusting them so that the sensor's plane will be perpendicular to the optical axis of the system. This cannot always be achieved by simply attaching the camera to the telescope via existing standard accessories that result..
£49.00 £58.00
Ex Tax:£40.83
Brand: 365ASTRONOMY
The 365Astronomy Self-Centering 2" to M48 Adapter is a M48 Extension Tube with 2-inch Nosepiece that can be used to attach a large CDD or full frame dSLR camera to a 2" Focuser.Bear in mind that it has got a 53mm optical length, although when we use the locking ring to push out the celf centering ..
£39.00 £48.00
Ex Tax:£32.50
Brand: 365ASTRONOMY
The 365Astronomy Self-Centering 2" to T-mount Adapter is a T-2 Extension Tube with 2-inch Nosepiece that can be used to attach a CDD or dSLR camera to a 2" Focuser.Bear in mind that it has got a 53mm optical length, although when we use the locking ring to push out the self centering ring, this le..
£39.00 £48.00
Ex Tax:£32.50
Brand: 365ASTRONOMY
T-2 / 10 mm Extension Tube (10mm optical length ) 10mm ExtenderColour: black. Overal outer diameter of the extension: appr. 45-46mmImage is for demonstration purposes only.  ..
£12.60
Ex Tax:£10.50
Brand: 365ASTRONOMY
365Astronomy T2-T2 Reverse Female Thread AdapterThis 365Astronomy T2-T2 Reverse Thread Adapter can be used in many applications where a male T-thread has to be converted into a female T-thread.It features a female T-thread (M42x0.75) at both ends (actually, it is simply a continues femal T-threa..
£13.60
Ex Tax:£11.33
Brand: 365ASTRONOMY
365Astronomy Visual Back T2 to 1.25" with T2 male and T2 female threads with brass compression ring It is practically a 1.25" eyepiece holder (also called visual back) that can be attached to (screwed onto) a male T-thread.SpecificationsT2 female (M42x0.75) thread on the telescope side 1.25" ..
£28.40
Ex Tax:£23.67
Brand: 365ASTRONOMY
Low profile adapter from 2" to 1.25" with 2" inner thread for your specialised deepsky, colour or other filter; with brass compression ringIMPORTANT! Please read this: this adapter is compatible only with focusers or star diagonals that have a recess to allow sinking of the thumbscrew into that re..
£13.90 £17.40
Ex Tax:£11.58
Adapter from 2" to 1.25" with Brass Compression Ringl & 2" Filter Thread
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Brand: GSO
2" to 1.25" Eyepiece Adapter Adapts from 2" nosepiece to 1.25" Nosepiece Holder with 2" inner thread for your specialised deepsky, colour or other filterThis is an adapter from 2" (50.8mm) to 1.25" (31.7mm) with 2" inner filter thread (external 2" (50.8mm) nosepiece) and with 1.25" barrell (nos..
£22.80
Ex Tax:£19.00
Baader 2" Extension tube, 60mm opt length, with dual 2" Filter holder
-14 % Ask About Stock
2" Extension tube, 60mm optical length, w. dual 2" Filter holder (consisting of #2958141 and 2958143 #19)Baa-9-2958145 ..
£49.00 £57.00
Ex Tax:£40.83
Baader 2" NX4(C90) / ETX Expanding Ring Baader 2" NX4(C90) / ETX Expanding Ring
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2" NX4(C90) / ETX Expanding Ring , converts NX4 straight male thread into 2" SC male thread (component part of #2958500) Also includes a 1.25" thread, so that you can screw your compatible filter in. Baa-9-2958500A..
£25.00
Ex Tax:£20.83
Baader 2"/2" Inverter Ring, Changes 2" female into 2" male
-14 % Ask About Stock
2"/2" Inverter Ring (changes 2" female into 2" male thread) w.internal M48 filter thread for 2" eyepiece filterBaa-9-1508020..
£19.00 £22.00
Ex Tax:£15.83