Alstar 2″ Helical Micro Focuser with M48-thread and 0.1mm Scale for Telescope – sharper planets in any telescope

Sold By: Alstar Optics

$129.99

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One of the biggest challenges in photographing the Moon and planets is precise focusing of the object. Not all telescopes are well equipped for this. Equipping your telescope with the Alstar 2″ helical focuser is quick and straightforward, and you will then always be able to find the perfect point of focus.Many telescopes have a focuser which does not allow very precise focusing. Especially difficult jobs such as focusing on a planet can be a real challenge. This helical focuser elegantly overcomes the problem. It is suitable for both refractors and Newtonian telescopes, but is also particularly useful with Schmidt-Cassegrain telescopes. You need to do nothing more than to connect it to your existing focuser.The helical focuser has a 2″ barrel. This allows it be inserted into the focuser just like an eyepiece. Its separate focusing mechanism now takes over the job of precision focusing.Once the helical focuser is attached, simply turn the oversized focusing knob – which you can control easily even with gloves on in winter. The rotating mechanism allows very smooth and continuous focusing, and without any play. Your new focuser does exactly what you tell it to.A graduated scale always shows you the focus position you have just set. Once you’ve found the perfect point of focus, then you just need to remember this setting on the scale – you will then always be able to find it in future. The scale itself is similar to the millimetre markings on a ruler, but each marking here moves the focuser by only around 0.1 mm.There is a flat adapter combination: Alstar T / T2 Male Thread 48mm to 42mm Female M48 to M42 Telescope Adapter.

ASIN #B077GMXFT7
EAN #6971336221305


SKU: ASIN-B077GMXFT7 Category:

Description

One of the biggest challenges in photographing the Moon and planets is precise focusing of the object. Not all telescopes are well equipped for this. Equipping your telescope with the Alstar 2″ helical focuser is quick and straightforward, and you will then always be able to find the perfect point of focus.Many telescopes have a focuser which does not allow very precise focusing. Especially difficult jobs such as focusing on a planet can be a real challenge. This helical focuser elegantly overcomes the problem. It is suitable for both refractors and Newtonian telescopes, but is also particularly useful with Schmidt-Cassegrain telescopes. You need to do nothing more than to connect it to your existing focuser.The helical focuser has a 2″ barrel. This allows it be inserted into the focuser just like an eyepiece. Its separate focusing mechanism now takes over the job of precision focusing.Once the helical focuser is attached, simply turn the oversized focusing knob – which you can control easily even with gloves on in winter. The rotating mechanism allows very smooth and continuous focusing, and without any play. Your new focuser does exactly what you tell it to.A graduated scale always shows you the focus position you have just set. Once you’ve found the perfect point of focus, then you just need to remember this setting on the scale – you will then always be able to find it in future. The scale itself is similar to the millimetre markings on a ruler, but each marking here moves the focuser by only around 0.1 mm.There is a flat adapter combination: Alstar T / T2 Male Thread 48mm to 42mm Female M48 to M42 Telescope Adapter.

Binding Electronics
Brand Alstar
Label Alstar
Manufacturer Alstar
Model SKU_AM_HMF2A
Package Quantity 1
Part Number SKU_AM_HMF2A
Product Group Photography
Product Type Name TOYS_AND_GAMES
Publisher Alstar
Studio Alstar
Title Alstar 2″ Helical Micro Focuser with M48-thread and 0.1mm Scale for Telescope – sharper planets in any telescope

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