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Bob's Knobs 3 Collimating knobs for Astro-Tech 10" RC astrograph secondary mirror
$25.95These no-tool collimation knobs fit the Astro-Tech 10" Ritchey-Chrétien astrographs only . . . -
3 Collimating knobs for Celestron C14 w/Allen or slotted collimation screws
$19.95These no-tool collimation knobs fit those Celestron C14 Schmidt-Cassegrain telescopes that use Allen or slotted-head collimation screws (including those with a partially raised "Trifid" housing that rotates to cover and uncover the collimation screws) . . . -
108mm finder/photoguide ring set for Meade Series 5000 dovetails
$159.00These Meade photoguide rings mount a refractor up to 4" in diameter on an optional Meade Series 5000 dovetail plate for use as a finderscope, photoguide, or astrograph on an LX90 or LX200 telescope . . . -
3 Collimating knobs for metric Celestron 9.25" CPC 925 SCTs
$20.95These no-tool collimation knobs fit the metric thread versions of the Celestron CPC 925 9¼" Schmidt-Cassegrain . . . -
Motofocus For Meade 8", 10", and 12" LightBridge Dobsonians with single-speed focusers
$199.00This JMI Motofocus electric focuser is designed for use with the Crayford focusers on Meade 8", 10", and 12" LightBridge truss-tube Dobsonian reflectors . . . -
Shielded NGF-S non-vignetting large format visual back adapter | Meade 16" LX200 Cats
$90.00This shielded JMI adapter avoids vignetting photographic images when using a JMI NGF-S focuser with Meade 16" catadioptric telescopes . . . -
6 Collimating and locking knobs for Meade 12" Lightbridge Dobsonian primary mirror
$29.95These no-tool collimation and locking knobs fit the primary mirror of the Meade 12" LightBridge Dobsonian reflector telescope . . . -
12.4mm Series 4000 Super Plössl
$29.99This is a good quality medium to medium high power eyepiece that essentially doubles the power of the 25mm/26mm eyepiece that comes standard with most telescopes, so it is a good choice as a first additional eyepiece for those who do not have to wear eyeglasses while observing . . . -
Meade Variable tele-extender for SCT, needs T-ring
$29.95This variable tele-extender is for use with all 7" and larger Meade Schmidt-Cassegrain and Maksutov-Cassegrain telescopes and with 5" and larger Celestron Schmidt-Cassegrain telescopes . . . -
Bob's Knobs 3 Collimating knobs for Astro-Tech 12" RC astrograph secondary mirror
$25.95These no-tool collimation knobs fit the Astro-Tech 12" Ritchey-Chrétien astrographs only . . .
