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.
♦ In addition, there is an M82 auxiliary thread on the drawtube to be able to permanently install M82 filters, for example.
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.
| Weight: |
1200 g |
| Shortest length: |
80 mm to 3" clamping and 95 mm to 2″ clamping |
| Adjustment range of drawtube: |
40 mm |
| Thread in the tube side end of the drawtube: |
M82x1 female |
| 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: |
yes |
| Base: |
114x114 mm with female M6 thread - 100 mm lengthwise to tube and 99 mm crosswise to tube |
