Baader Planetarium DT-4 extension sleeve 31.8 mm (Ø 1 ¼ ")
Features:
- 12mm to 16mm Optical length
- Consists of T-2/T-2 inverter ring; T-2 Conversion ring and T-2 locking ring
For ocular sockets (length 18mm). An off axis systems or folding mirror approaches is often the problem that the receptacles normal eyepieces are just 1-2cm too short to adjust the sharpness level properly.
This extension sleeve has both sides the filter thread for 1 ¼ "eyepieces, and to be done by Screw in (almost) every 1 ¼ "eyepiece. Several 1 ¼ "tubes are combined.
The inner diameter is prepared to accommodate the lenses of Baader Planetarium Glaswegkorrektoren 1:1.25 and 1:1.7
Please enquire when stock is indicated as zero. Availability is typically witin 2 months - please enquire.
This product was added to our catalog on Tuesday 20 May, 2008.