Starlight Instruments 3.5" Feather Touch Dual Speed Focuser
Ref: FTF3545
The finest dual speed focuser we know of, offering super smooth ultra precise control for visual observers and imagers. This large focuser is found as standard equipment on some of the world's finest telescopes such as TEC apo refractors and APM apo refractors.
The focuser itself is a no compromise design using only the finest quality materials maticulously engineered to produce this exquisite product. There are various adaptor options available at extra cost for Takahashi and Astro Physics instruments as well as custom adaptor plates. Please call or Email to discuss your requirements, please note delivery times are usually within 28 days of order.
Specifications:
Precision hardened stainless steel fine pitch helical pinion
Extra wide fine pitch rack for extremely accurate positioning and feel
Focuser is fully rotatable relative to telescope position
Locking ring for rotation feature allows on the fly adjustment and locking
Heavy duty 10:1 reduction unit
Tension brake adjustment for custom load control and locking capability
Reversable pinion housing/fine focus factory set on right side
Course focus on both sides of pinion housing
Interchangeable end caps
Machined (sharp edge type) internal light baffles for best low reflectivity properties
Laser scribed scale on both sides of the draw tube (115mm with 1mm resolution)
Precision manufactured from the best materials available and built for long life and trouble free operation. All alumimum parts are anodized and all other non alumimum parts are corrosion resistant stainless steel.
No short cuts and no compromise in the design!
Focuser is fully rotatable relative to telescope position
Locking ring for rotation feature allows on the fly adjustment and locking
Heavy duty 10:1 reduction unit
Course focus on both sides of pinion housing
Interchangeable end caps
Laser scibed scale on both sides of the draw tube (115mm with 1mm resolution)
Precision manufactured from the best materials available and built for long life and trouble free operation. All alumimum parts are anodized and all other non alumimum parts are corrosion resistant stainless steel.
Machined (sharp edge type) internal light baffles for best low reflectivity properties
