Starlight Instruments TuBLUG 2" Newtonian Collimator | SI-TUBLUG2

Starlight Instruments TuBLUG 2" Newtonian Collimator | SI-TUBLUG2Use with a regular laser collimator in single beam mode to perform barlowed laser Newtonian primary mirror alignment on closed tube reflectors. The Howie Glatter TuBLUG is inserted into the focusers' draw tube in which the laser collimator then attaches to the otherside of the TuBLUG. Matte white 45 degree face and anti reflection coated Barlow lens mounted in a central axial hole. The Howie Glatter TuBLUG is easily visible from primary adjustment

Please Note: This filter cannot be used without a blocking filter

Assume the counterweight mass is m kg

You can run the Smart DewHeater and Power Controller 4x as a standalone accessory

8mm) Adaptable to every female 2" SC-thread

2") Eye Relief: 18mm (0

Unlike competitor products

you need a special UV lens together with camera body

but Spintronics makes circuits tangible

which can effectively reduce read noise at high gain and allow the camera to maintain the same high dynamic range as it does at low gain

3nm Transmission Curve

1 Twilight Factor: 21

M48 COMPATIBLE BRANDS Baader Planetarium Baader Planetarium TYPE OF ADAPTER Extension Extension Extension Extension FILTER SIZE 5 mm 7