Starlight Instruments Feather Touch® 2"/DTT 2.5"/Compression Ring
Starting Price: $590.00
Price as Configured: $590.00
Price as Configured: $590.00
Brand: Starlight Instruments / SKU: SI-FTF2025BCR
Feather Touch® 2.0" Diameter Dual Speed, 2.5" Draw Tube Travel, Brake, and Compression Ring
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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