2" BDS-RT Baader Diamond Steeltrack

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2" BDS-RT Baader Diamond Steeltrack

# 2957210

€ 320.00 Price excl. German VAT tax (19%): € 320.00
  • Baader Diamond Steeltrack (BDS-RT) for Refractors with 80 mm focus travel
  • Minimum height (as supplied – incl. 2" clamp): 78 mm
  • Minimum height (with optional S58 direct-thread adapters): 65 mm
  • Focuser weight (as supplied – incl. 2" Klemme): 1.160 g (40.9 oz)
  • Adapters available or under development to fit a wide variety of refractor telescopes

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Description

Details

Baader RT Diamond Steeltrack on Omni XLT
Application example of BDS-SC Diamond Steeltrack
Baader RT Diamond Steeltrack with finder base and holder
The BDS-RT allows mounting of a finder base and holder (example: MQR-III #2457020)

General Specifications for all Baader Diamond Steeltrack® (BDS) focusers:

Drive system

  • True diamonds form a micro-geared high precision drive system never accomplished before
  • In comparison to conventional crayford or rack & pinion drives, this micro-geared movement has zero backlash, zero cogging, and zero flexure
  • Diamond Steeltrack 2" focusers lift a payload of 6kg (13 lbs) straight up, without slipping, without excessive bearing preload (bearing preload can be increased further if necessary)
  • Bearing system utilizes unbreakable Instrument Grade Roller-Bearings instead of simpler Ball Bearings - handles higher loads with greater rigidity and accuracy. No Teflon-pads anywhere
  • 1:10 Stainless Steel fine-focus mechanism, ready for attachment of the optional Diamond Steeldrive temperature-compensating motor drive system
  • Detachable drive block assembly is reversible for right hand or left hand fine-focus operation and for attaching the Diamond Steeldrive motor block
  • Shortest possible mechanical design achieves optimum balance between focuser height (backfocus) and rigidity requirements
  • Zero shift locking knob to precisely stop any movement without affecting optical axis adjustment

Baader Diamond Steeltrack Adapters
Multiple Adapters available for shortest possible connection to most cameras / eyepieces
Multiple  Telescope-Adapters
Mounting of BDS-Adapters on the example of BDS-NT Diamond Steeltrack

Clamping system

  • S58 Dovetail ring-clamp built into focusing tube for accepting optional T-2 / M48 / M68 and other S58 direct-thread adapters to enable direct thread connection of accessories and cameras without 2" clamp
  • 2" eyepiece clamp with hardened bronze clamp ring (length of clamp: 12.5mm / ½") included as standard
  • Optionally available 2" Baader Clicklock-clamp w. integrated S58 dovetail (added length: 16mm / 5/8")
  • Two auxiliary threads (M60x1 and M55x0,75) cut into the RT & NT focusing-tube for attachment of dedicated field flatteners or focal reducers/correctors

Baader RT Diamond Steeltrack
BDS-RT: all views
Imaging / Eyepiece projection
Imaging / eyepiece projection on the example of BDS-RT Diamond Steeltrack

Focusing Drawtube:

  • Each bearing individually adjustable for precise alignment of mechanical vs. optical axis
  • Ultra-hard subzero coated bearing races – precision milled and much harder than anodizing or stainless steel
  • Oversized 55mm inner clear diameter, to prevent vignetting, with anti-reflection knife-edge baffles
Specifications

Additional Information

Manufacturer Baader Planetarium
SKU (#) 2957210
Weight (kg) 1.04
Focuser Travel 80 mm
Payload Capacity (kg) 6 kg
Shortest overall height (standard) 78 mm
Shortest overall height (w. opt. adapters) 65 mm
Reduction 1:10
Rotatable Yes
Finder base Yes
Motorized No, but can be upgraded
Inner Diameter / Clear Aperture (mm) 55
Optional Accessories Baader Steeldrive temperature compensating motor drive system
Special Features True diamonds form a micro-geared high precision drive system
Included Accessories Adapters available or under development to fit a wide variety of refractor telescopes
Inner Connection (lens sided) Thread, M60
Outer Connection (lens sided) Thread, Dovetail ring, M68, S88
Inner Connection (eyepiece/-camera-sided) Thread, Clamp, Dovetail ring clamp, M55, S58, 2"
compatible telescopes Refractors
Focuser style Crayford
Focuser size 2 inch
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