BRESSER Extension Tube 37.5 mm for 2.0" R&P Focuser

Are you having trouble focusing your eyepiece or camera? Then use this BRESSER 25 mm extension sleeve to increase the distance between the 2.5 inch HEXAFOC eyepiece extension and the eyepiece or camera. The extension sleeve has an M68x0.75 mm internal and external thread and can therefore be screwed directly onto the HEXAFOC draw tube.SPECIFICATIONSIncreases the distance to the eyepiece/camera Suitable for 2.5 inch HEXAFOC Optical length: 25 mm Internal and external thread: M68x0,75 mmInside black matt coated Material: aluminium, black anodized SCOPE OF DELIVERYExtension sleeve 25 mm (1 piece)

Are you having trouble focusing your eyepiece or camera? Then use this BRESSER 20 mm extension sleeve to increase the distance between the 2.0 inch Rack & Pinion focuser and the eyepiece or camera. The extension sleeve has an M54x0.75 mm internal and external thread and can therefore be screwed directly onto the HEXAFOC draw tube. Suitable for the EXPLORE SCIENTIFIC ED APO Essential series, among others.FEATURESIncreases the distance to the eyepiece/camera Suitable for 2.0 inch R&P focuser Optical length: 20 mm Internal and external thread: M54x0,75 mmInside black matt coated Material: aluminium, black anodized SCOPE OF DELIVERYExtension sleeve 20 mm (1 piece)

Are you having trouble focusing your eyepiece or camera? Then use this 37.5 mm extension sleeve to increase the distance between the 2.5 inch HEXAFOC eyepiece extension and the eyepiece or camera. The extension sleeve has an M68x0.75 mm internal and external thread and can therefore be screwed directly onto the HEXAFOC draw tube. SPECIFICATIONSIncreases the distance to the eyepiece/cameraSuitable for 2.5 inch HEXAFOCOptical length: 37,5 mmInternal and external thread: M68x0,75 mmInside black matt coatedMaterial: aluminium, black anodizedSCOPE OF DELIVERYExtension sleeve 37,5 mm (1 piece)

This extension tube extends back focus depth to an additional 66 mm, for Vixen 60mm diameter focusers. It is suitable for extending compatible focuser drawtubes for use visually without a Star Diagonal but most commonly extends focus travel for astrophotography in a prime focus position, or for straight-through use with Barlow lenses and other accessories. FEATURES Compatibility: all Vixen OTAs with 60mm diameter drawtubes Weight: 115g SCOPE OF DELIVERY Extension tube 60 mm

The Vixen R130Sf Porta II telescope set includes everything that an entry-level astronomer needs. The R130Sf is a Newton reflector telescope with an excellent contrast and light-gathering power and is ideal for observing the moon, planets, nebulae and galaxies. The PORTA II mount is not just popular among beginners – it also allows experienced astronomers to mount their devices quickly and easily. The PORTA II features a high-quality design and comes with a fine adjustment function for both axles. The PORTA II does not require a clamp, as it sports a slip clutch that allows you to adjust the mount to your desired object. It automatically holds its position, making it easy for users of all abilities to operate. FEATURES Mirror: 130 mm Focal length: 650 mm (f5.0) Resolution and limiting magnitude: 0.89 arc seconds; 12.3 Light-gathering power: 345 x Total weight: 11 kg Adapter and connections: 31.7 mm receptacle with T2 connection for cameras DELIVERY CONTENT Porta II mount R130Sf telescope 2 eyepieces: Plössl 20 mm and Plössl 6.3 mm 6x30 viewfinder telescope 31.7 mm extension rube Tripod Tripod storage shelf for accessories Shafts for fine adjustment Tube clamps and dovetail adapter Protective cap Mounting tool

Eyepiece adapter 50.8 mm to 43 mmFEATURES Adapts a 50.8-mm thread to a 43-mm female thread Compatibility: For mounting the 73523 camera adapter 43 mm deluxe Weight: 85 gPACKAGE CONTENTSVixen reducing sleeve 50.8–43 mm

Extension tube with 2" plug diameter and an extension factor of 35mm. A ring clamp ensures an optimal attachement of 2" accessories. The blackened and ridged inside effectively prevents reflections. Also a 2" filter thread is inside.