Explore Scientific 2″ Rack & Pinion Focuser for Apochromatic Telescopes (FOCEDAPO-RP)

Explore Scientific

Price: $229.99 USD
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Price: $229.99 USD
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The Explore Scientific 2″ Rack & Pinion Focuser (FOCEDAPO-RP) is engineered for smooth, precise, and repeatable focusing, making it an excellent upgrade for apochromatic refractors. Its dual-speed design provides both coarse and micro-fine adjustments, allowing you to achieve critical focus with ease for astrophotography and high-magnification visual observing. The robust 2″ drawtube, compression-ring system, and etched measurement scale provide secure accessory support and consistent performance across all observing sessions.

Features

  • Dual-speed rack-and-pinion system with 10:1 micro-focus control

  • Large 2″ drawtube compatible with 2″ accessories; includes a 1.25″ adapter

  • Etched measurement scale on drawtube for precise repeatable focus positions

  • Compression-ring eyepiece holder for secure, non-marring grip

  • Durable, machined metal construction designed for stability with heavier accessories

Specifications

Specification Detail
Model Number FOCEDAPO-RP
Focuser Type Rack & Pinion, dual-speed
Drawtube Diameter 2″ (50.8 mm)
Eyepiece Holder 2″ with 1.25″ compression-ring adapter
Focuser Length Approximately 120.7 mm travel range
Weight Approximately 0.91 kg (2 lb)
Focus Controls Coarse and 10:1 micro-focus knobs
Compatible Telescopes Apochromatic refractors

What’s Included

  • 2″ Rack & Pinion Focuser

  • 1.25″ compression-ring eyepiece adapter

Frequently Asked Questions

With a beginner telescope you can see a surprising amount — the craters and mountains on the Moon, the rings of Saturn, the moons of Jupiter, and star clusters like the Pleiades. As you get more comfortable, you can also spot nebulae and distant galaxies. Not sure which beginner telescope is right for you? Check out our Telescope Buying Guide.
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