Optec Inc. Libra Alt-Azimuth Adjusting Base

Optec Inc. Libra Alt-Azimuth Adjusting Base: Simplifying Telescope Alignment   Eases Telescope Alignment: Designed to simplify the alignment of co-axial telescopes, addressing the challenges of traditional scope ring adjustments. Simple Installation: Utilizes a pair of clamps for attaching the female dovetail receiver to a male D-plate, compatible with any "D" style dovetail bar. Altitude and Azimuth Adjustments: Features larger knobs for fine-tuning altitude and azimuth adjustments, enhancing the precision of alignment. Secure Locking Mechanism: Includes a locking thumb nut that secures the adjustment shaft, ensuring stability and ease of "no tools" installation. Standardized Dovetail Compatibility: Adheres to the widely recognized "D" dovetail specification, ensuring compatibility with a range of astronomy equipment. Accurate Dovetail Measurement: Proposes a specific dovetail profile measured using the standard MOW ("measure over wires") technique for optimal fit. Ideal Nominal MOW Specification: Suggests an ideal nominal MOW of 3.200" +/- 0.020", accommodating a 1mm variance on the male dovetail for universal fit. Versatile for Various Manufacturers: Compatible with dovetail plates from numerous manufacturers, fitting within the proposed tolerance range. Enhanced Stability in Telescope Setup: Prevents misalignment caused by bumps or movements, maintaining the desired orientation during observations. Professional Grade Tool: Suitable for both amateur and professional astronomers who seek a reliable, user-friendly solution for aligning their telescopes.     Specifications D-plate Width: 4.00" Overall Width with knobs: 5" to 8" Overall Height (level): 2.65" (2.3" to 3.0") Overall Length: 12.25" Clamp Width: 2.5" Altitude Adjustment: 4-degrees Azimuth Adjustment: 9-degrees Clamp Fasteners: 3/4" knurled aluminum Alt-Az Knobs: 1-1/2" knurled aluminum Knob Color Options: Silver Weight: 5 lb. 15 oz (2.7 kg) Payload Capacity: 25-lbs. Safety: Two 1/4"-20 knobs on male dovetail (NEW!)