3 Collimating knobs for Meade 14" LX200

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These knobs make it easy to collimate your Meade 14” LX200 Schmidt-Cassegrain for optimum image quality. You don’t need any tools, so you never have to worry about losing a tiny Allen wrench or screwdriver in the grass in the dark. While it may be a long reach for some people (unless you’re a basketball player), you can still adjust the collimation yourself while looking through the eyepiece, so there’s instant feedback about how your optics are performing. Installation of the knobs is a snap with the included instructions, and you can undo the modification at any time.

This knob set works with 14” Meade LX200 Schmidt-Cassegrain telescopes with exposed collimation screws only. Some early Meade 14” LX200 scopes have recessed collimation screws that were located at the very edge of the secondary mirror holder. Bob’s Knobs does not offer knobs for these scopes because the knobs would be in the light path.

The Bob’s Knobs collimating screws themselves are made of black anodized aluminum alloy. Their knobs black plastic, 16 mm (5/8”) in diameter. The factory dust cover will fit on the scope normally with the collimation knobs installed.

Important note: Current Meade Schmidt-Cassegrain 14” telescopes have six screws in their secondary mirror housing as shown in the image. The three outer screws hold the secondary housing parts together. The three inner screws are for collimation. They hold the secondary mirror and its mounting plate to the secondary housing. The collimation screws, which are threaded into the plate, adjust the mirror tilt (or collimation). There is a coil spring wrapped around each collimation screw between the inside of the secondary housing and the mirror mounting plate. The collimation screw passes through the coil spring and holds it in place. Do not loosen the factory collimation screws to remove tension before exchanging them with the new collimating knobs. If the original collimation screws are loosened, the coil springs could shift out of place when the factory collimation screws are removed. If that happens, the corrector plate must be pulled and the secondary disassembled to return the springs to their proper location. Should this task become necessary, first note and mark the position of the corrector plate and secondary mirror so they can be re-assembled with the same rotational relationship to the primary mirror.

Bob’s Knobs recommends that you tighten all of the factory collimation screws until the coil springs around them are fully compressed before installing the new Bob’s Knobs. The factory collimation screws are sufficiently tight when they become slightly harder to turn. Do not force the screws beyond this point. Next, remove one collimation screw and replace it with a knob, and repeat this exchange for the remaining two screws, one at a time. By removing only one of the original collimation screws at a time when installing the Bob’s Knobs, the other two firmly-tightened collimating screws will keep pressure on the coil spring you’re working on to keep it from shifting out of place.

The weight of this product.
1.6 oz.
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Bob's Knobs - 3 Collimating knobs for Meade 14" LX200

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Bob's Knobs - 3 Collimating knobs for Meade 14" LX200Image showing the location of the older recessed collimation screws these knobs will <B>not </B>work with. Compare with the appearance of the current secondary housing above.
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Our Product #: BKM14
Manufacturer Product #: M14-6e
Price: $19.95  Ground shipping for this item is $8.95 - Click for more info
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These no-tool collimation knobs fit all Meade 14” LX200 Schmidt-Cassegrain telescopes with exposed collimation screws . . .

. . . our 38th year