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TS-Optics V-Power Crayford 3-inch Focuser for Newtonians and Refractors - holds up to 6kg

The 3" V-Power focuser can be adapted to Cassegrain, refractor or Newtonian telescopes, ideal for astrophotography

♦ Only 59mm tall to the M82x1 female thread and only 80mm to the 2" receptacle

♦ Flexible telescopic adaptation: suitable for dovetail rings with an outer diameter of 96.7 mm and a height of 9 mm

♦ Fixation by internal threads 6x M5 (optional screws) - distance between the center of the thread and the edge - 5 mm

♦ We offer an individual adaptation to your telescope using special adapters

♦ Connections on the eyepiece side - Internal thread M82x1, barrel 2" and 1.25"

♦ Extraction adjustment range is 50mm

♦ Reinforced ball bearings (V-Power) and stainless steel plate on the extension tube allow precise adjustment even under maximum load

♦ Draw tube outside diameter is 86.2nn

♦ Draw tube inner diameter is 76mm with anti-reflection thread

♦ Reasonable minimum height including optional base: 106mm with extension tube retracted – tube does not protrude from inside of tube

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€623.97
Entrega entre 7 y 9 días laborables
Reference:
UNCN3M82
Description

TS 3" V-Power Crayford focuser for self-adaption

This modern V-Power is one of the best Crayford focusers in our range. Originally developed for Newtonian telescopes, we are now making this focuser available for flexible adaptation to various telescopes. In our opinion, that's about all you can do with a Crayford excerpt:

♦ Steel ball bearings are oversized.

♦ A V2A steel plate is incorporated as a counterpart to the ball bearings. Even under maximum load, the adjustment is jerk-free.

♦ The maximum load capacity of the focuser is 6 kg with full precision and sensitivity.

♦ The 1:10 reduction is made of professional quality V2A steel.

♦ The focuser offers ring attachment for 2" and 1.25" accessories, as well as an internal M82x1 thread for screw adaptations.

♦ Air chamber accepts 3" fittings along its entire length, no bottlenecks in the way.

♦ The inner tube is provided with an anti-reflective thread

Motorized focus: a must for many astrophotographers

The USB_FOCUS_SET and USB_FOCUS_SET-H can be easily adapted to the UNCN3 focuser with the BR-UNCN3. The USB_FOCUS enables motorized focus and even full remote control.

Flexible connection to your telescope

The focuser is ideal for home builders and hobbyists, but is also suitable for upgrading existing telescopes. We also offer prefabricated bases for existing tubes and for DIY. The bases are linked in the accessories section. With the base, the focuser is built as follows:

♦ 85mm to internal thread M82x1 at the innermost extension position

♦ 103mm to 2" socket at innermost extension position

The draw tube does not protrude inside the tube.

Especificaciones:

Type: Crayford focuser
Connection eyepiece side: M82x1 female thread, 2" and 1.25" receptacle
Connection telescope side: diameter 96.8 mm suitable for ring dovetail with 96.7 mm
Overall height: 59 mm up to M82 thread - 80 mm up to 2"
Travel: 50 mm
Inner diameter of the drawtube: 76 mm with anti-reflection thread

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Product Details
UNCN3M82
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