Starlight Inst. Feathertouch Dual Speed Rotatable 2″ Focuser –

This Starlight Instruments Feathertouch Focuser is a dual speed, rotatable model presented in a 2.5″ DTT format. The Starlight Instruments FTF2025BCR Feathertouch Focuser has a brake and C-ring. Both coarse and fine focusing with an 8 pound lifting capacity.

Starlight Instruments Feathertouch Dual Speed Rotatable 2″ Focuser Features

• DT Length: 3.95″ | 100.33mm
• Focuser Housing / Base: 2.75inch OD NT Flange
• Draw Tube Travel: 2.6″ | 66.04mm
• Racked In from Mounting Face: 1.405″ | 35.687mm
• Racked Out from Mounting Face: 4.005″ | 101.73mm
• Racked In Draw Tube Below Mounting Face: 2.518″ | 63.957mm
• Diameter at Back Side (Eye Piece) of Draw Tube: 51.31mm / 2.600in
• Thread on Entry (OTA | FRONT) Side of Draw Tube: 52mm x .75mm
• Draw Tube Drive Mechanism: Crayford Friction Drive
• Draw Tube Drive Material: Steel on Steel
• Draw Tube Linear Bearing Style: Dovetail-Ball Bearing
• Draw Tube Linear Bearing Material: Steel on Steel
• Reduction Unit Type: 2.0inch Planetary Drive
• Reduction Ratio: 10.25:1 (Approximately)
• Travel per Pinion Revolution: 19.94mm / 0.785inch per Revolution
• Lifting Capacity: 3.63kg / 8 lbs
• Travel per Fine Focus Knob: 1.960mm / 0.077inch per Revolution
• Travel per Course Focus Knob: 21mm / 0.870inch

Starlight Instruments Product Number: FTF2025BCR