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Bobs Knobs Collimation Thumbscrews

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Fits: All Meade Lightbridge 12 f/5 telescope rocker boxes.
Knob: Black plastic fluted, 38 mm (1-1/2) diameter
Threads: Stainless steel

Bobs Knobs Meade 12'' Lightbridge Low Profile Azimuth Lock 3/8''

ONLY £10.95

Fits: All Meade Lightbridge 12 f/5 telescope rocker boxes.
Knob: Black plastic fluted, 38 mm (1-1/2) diameter
Threads: Stainless steel

Bobs Knobs Meade 12'' Lightbridge Low Profile Azimuth Lock 5/16''

ONLY £10.95

Fits: Celestron 5 (13 cm) f/10 SCT (C5, NexStar 5) with black Allen, silver Allen, or silver Phillips factory collimation screws. These screws have standard threads. Will not fit scopes with black Phillips factory collimation screws

Bobs Knobs Celestron 5'' 13cm SCT Collimating Thumbscrews

ONLY £16.95

Fits: Celestron 5 (13 cm) f/6 SCT only. Will not fit the Celestron 5 f/10 SCT.
Knobs: Black plastic, 13 mm (1/2) diameter
Threads: Black anodized aluminum alloy

Bobs Knobs Celestron 5'' f/6 SCT Collimating Thumbscrews

ONLY £16.95

Fits: Celestron 8 (20 cm) f/10 post-1980 SCT with factory Allen or silver Phillips collimation screws, with or without Fastar secondary with silver collimation screws (C8 black, or gray; Ultima 2000; NexStar 8; others). This includes the post-2000 orange-tube. Will not fit pre-1980 orange tube or most scopes with black Phillips factory collimation screws.

Bobs Knobs Celestron 8'' f/10 Post 1980 Collimating Thumbscrews

ONLY £16.95

Fits: Celestron Starhopper 12 (30 cm) f/5 Newtonian telescopes
Primary mirror springs as supplied by the factory can sag from the weight of the mirror cell. Our stainless steel replacement springs are stronger and provide adequate support

Bobs Knobs Celestron Starhopper 12'' Primary Springs

ONLY £16.95

Fits: Meade 8 (20 cm) f/10 SCT versions with four screws on the secondary housing (LX90, LX200, others).
Knobs: Black plastic, 13 mm (1/2) diameter
Threads: Black anodized aluminum alloy

Bobs Knobs Meade 8'' f/10 4 Screw Secondary Collimating Thumbscrews

ONLY £16.95

Fits: Meade 8 (20 cm) f/10 SCT versions with six screws on the secondary housing (LX90, LX200, LX200ACF, LX200R, LS-8 SC and ACF, LT-8 SC and ACF, others). The inner screws are for collimation.

Bobs Knobs Meade 8'' f/10 6 Screw Secondary Collimating Thumbscrews

ONLY £16.95

Fits: Meade 8 (20 cm) f/10 SCT versions with three screws on the secondary housing (2080, LX5, LX10, LX50, LX90, LX100, LX200, others)
Knobs: Black plastic, 13 mm (1/2) diameter
Threads: Black anodized aluminum alloy

Bobs Knobs Meade 8'' f/10 SCT 3 Screw Secondary Collimating Thumbscrews

ONLY £16.95

Primary mirror springs as supplied by the factory can sag from the weight of the mirror cell. Our stainless steel replacement springs are stronger and provide adequate support to maintain primary mirror collimation.

Bobs Knobs Meade Lightbridge Primary Springs

ONLY £16.95
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Page 1 of 5:    47 Items