Optec Inc. AP2.7 x 24tpi Extension Tube Set, 4-piece
$165.00
Optec Inc. AP2.7 x 24tpi Extension Tube Set: Versatile and Robust for Precise Telescope Adjustments
Industry Standard Compatibility: Designed to extend the functionality of the AP2.7 inch thread, an industry standard established by Astro-Physics.
Convenient Design Features: Each tube features female threads on one end and male threads on the other, with knurled bases for easy attachment and detachment.
Stackable Extensions: The extension tubes can be combined and stacked, offering versatility in adjusting the optical path.
Optimized Spacer Combinations: The four-piece set is engineered to provide all necessary extensions for fixed focal length telescopes in 1/4" (6.35mm) increments.
Durable Material Construction: Made from high strength 6061 aluminum alloy and finished with black anodizing for durability and a sleek appearance.
Minimized Internal Reflections: Features anti-reflection threading and internal baffles, especially in the largest tube, to reduce internal reflections.
Non-Reflective Internal Surfaces: All internal surfaces are coated with a non-reflecting, ultra-flat black paint, enhancing imaging quality.
Ideal for Fixed Focal Length Telescopes: A must-have accessory set for astronomers using fixed focal length telescopes who require precise spacing adjustments.
Professional Quality: Reflects Optec’s commitment to high-quality, professional-grade astronomy equipment and accessories.
Comprehensive Extension Solution: The set provides a complete solution for spacing and extension needs in astronomical setups.
Specifications
AP2.7 Extension Tube Set, 4-piece set
Includes: 1/2", 3/4", 1", and 1-1/2"
Possible spacer combinations:
0.5" through 3.25" with 1/4-inch increments plus 3.75" with all spacers combined.
