Focheggiatore Crayford per Newton da 3"

• Short Crayford focuser with compression ring for 3" and 2" accessories - holds accessories up to 6 kg
• ♦ Only 80 mm height to the 3" clamping and 95 mm to the 2" clamping.
• ♦ With flexible base - suitable for Newtonians from 8" aperture.
• ♦ Generous 40 mm adjustment range of the drawtube.
• ♦ Ideal for astrophotography with 3" correctors from ASA, TeleVue or TS Optics.
• ♦ Best stability through oversized ball-bearings and a V2A stainless steel plate as counterpart.
• ♦ 1:10 dual speed transmission integrated.
• ♦ Motorfocus is available optionally.

TS Optics UNCN3 3" Crayford focuser for Newtonian telescopes
With the ONTC and UNC Newtonians, Teleskop Service manufactures Newtonian telescopes in the higher quality range. Now we are pleased to offer you the high-quality 3" UNCN3 focuser from this model range separately, for do-it-yourself work or for upgrading your Newtonian.

The TS UNCN3 focuser convinces with an especially high quality workmanship:
The focuser is designed for high loads and best possible precision at the same time. Especially in astrophotography, high precision of the focuser is demanded.

♦ The steel ball-bearings are oversized.
♦ As counterpart to the ball-bearings. a V2A stainless steel plate is used. Even at maximum load, adjustment is smooth.
♦ Maximum load of the focuser is 6 kg, with full precision and smoothness.
♦ The 1:10 transmission is made out of V2A sttel in professional quality.
♦ The focuser offers compression rings for 3", 2" and 1.25" accessories.
♦ The drawtube accepts 3" accessoiries on its complete length, no bottelneck blocks the passage.
♦ The drawtube was provided with an antireflex thread.

Motorfocus - for many astrophotograpers a MUST-HAVE

The USB_FOCUS_SET and the USB_FOCUS_SET-H can easily be adapted to the UNCN3 focuser by using the BR-UNCN3.

The USB_FOCUS allows for motorized focusing and even complete remote operation.

We will offer more interesting solutions for motorized focusing soon.

Technical Data

• Weight:1200 g
• Shortest length:80 mm to 3" clamping and 95 mm to 2" clamping
• Adjustment range of drawtube:40 mm
• Connection to Newtonian telescope tube:via base - suitable for Newtonians from 220 mm tube diameter to a flat supporting surface.
• Connection at the eyepiece and camera side:3" compression ring, 2" compression ring und 1.25" compression ring

Dual speed focusing:yesBase:114x114 mm with female M6 thread - 100 mm lengthwise to tube and 99 mm crosswise to tube

• In the box

♦ TS UNCN3 Newtonian Focuser
♦ Reduction 3" to 2" and 2" to 1.25"
♦ Base für Newtonian telescopes