USED - Alt-Az Fine Adjustment Base

Name: USED - Alt-Az Fine Adjustment Base
Brand: Cloud Break Optics
SKU: USED-AAFAB
Price: 36.5 USD
Availability: InStock
Rating: 4.8 (5 reviews)

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$36.5 ~~$50~~ In stock

Category: Used Gear

USED GEAR INFORMATION

This base is in good condition. It works great over a narrow range of motion. It can only move about 10 degrees in any direction. Knob adjustments are very fine and well lubricated.

This would be a good choice for getting precise optical alignment of different elements.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

Olivia N. ★★★★★ Oct 21, 2026

That 10-degree range sounded restrictive, but for fine-tuning planetary alignment in my Dob, the silky-smooth knob action is perfect. The used condition is exactly as described, and the well-lubricated adjustments make tiny shifts a joy.

William ★★★★★ Oct 20, 2026

I was worried about the limited range, but for fine-tuning my scope it's exactly what I needed. The adjustments are buttery smooth, and the used condition was better than expected.

Jacob R. ★★★★★ Oct 19, 2026

The knobs are so smooth and precise that I can dial in perfect alignment for astrophotography. Even though it only moves about 10 degrees, the fine adjustments are exactly what I needed for my setup. For used gear, it’s in great shape and works flawlessly.