Condition Specifications
The condition refers to the visual appearance of the device. Each device is thoroughly inspected and found to be in perfect working condition.
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Excellent
Excellent condition devices will only have minimal wear that is hardly noticeable. -
Great
Great condition will show light signs of wear including scratches, scuffs, or small dings. Wear will be minimal but may be visible from an arm’s length distance. -
Good
Good condition with average signs of wear including scratches, scuffs, or dings that will be visible within an arm’s length distance. -
Fair
Fair condition with heavy signs of wear may include scratches, scuffs, screen delamination, dings, or dents that will be visible from more than an arm’s length distance. -
Support
Please note we cannot send individual pictures of machines. Feel free to message us at support@techable.com with any questions. -
Warranty
Each device comes with a 90-Day warranty on all parts. Additional warranty options are provided by SafeTech Warranty.
Two-Speed 10:1 Focus Knob Mechanism for Explore Scientific and BRESSER 2.5-inch HEX Focusers
Was:
$99.99
Was:
Sale price
$99.99
Sometimes you need that precision focus adjustment, especially for high-power observing or for making images. The Two-Speed 10:1 Focus Knob Mechanism for the 2.5-inch HEX Focusers found on Explore FirstLight and select BRESSER Messier telescopes, provides a smooth course focus and a precision ultra-fine focus.
- Precision all-metal construction with stainless-steel ball bearing for super-smooth action.
- Attractive silver and black bead-blast finish.
- Dual-Speed focusing mechanism with a 10:1 reduction ratio for course and ultra-fine focusing.
- Weighs only 5.6 oz. (159 grams)



