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Upgrade standard telescope primary mirror collimation springs and collimation knobs with Farpoint Knob/Spring Kit – Zhumell Z12. These replacement springs are many times stiffer than the stock springs and drastically improve the collimation retention of telescopes. Three 1.5" diameter knobs are included with the kit. The knobs are machined from aluminum, knurled and anodized blue.

When new Farpoint springs are installed, there is no longer a need for the standard collimation locking screws (white knobs in stock Zhumell picture). They may be loosened all the way or removed completely.

Compatible with Zhumell Z12 telescopes and many other similar Dobsonians.