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Lumicon Low-Profile 1.25in Focuser for Newtonian on 3inch Base $142.95

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Lumicon Low-Profile 1.25in Focuser for Newtonian on 3inch Base

Low-Profile 1.25in Focuser for Newtonian on 3inch Base The Lumicon Low Profile 1.25" Focuser for Newtonian on 3in Base is a high-precision, pin-and-groove type helical focuser. The draw-tube does not rotate. The low-profile design quickly and...

Lumicon Low-Profile 1.25in Focuser for Newtonian on 3.5inch Base $142.95

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Lumicon Low-Profile 1.25in Focuser for Newtonian on 3.5inch Base

Lumicon Low-Profile 1.25in Focuser for Newtonian on 3.5inch Base The Low Profile 1.25" Focuser for Newtonian, 3.5" Base, is a high-precision, pin-and-groove type helical focuser. The 3.5" base provides for replacing larger focusers...

JMI Reverse Crayford 2" Focuser with Motor $296.00

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JMI Reverse Crayford 2" Focuser with Motor

JMI Reverse Crayford 2" Focuser with Motor A 1.25" Reverse Crayford focuser.  Motorized version include a standard hand unit.  For all RCF focusers you must specify whether you want a flat or curved base.  For curved bases, you need to...

JMI Reverse Crayford 2" Focuser $140.00

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JMI Reverse Crayford 2" Focuser

JMI Reverse Crayford 2" Focuser For all RCF focusers you must specify whether you want a flat or curved base.  For curved bases, you need to specify the radius.  If you don't, you will get the standard size radius. Place a note in the shopping...

JMI Reverse Crayford 1¼" Focuser with Motor $274.00

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JMI Reverse Crayford 1¼" Focuser with Motor

JMI Reverse Crayford 1¼" Focuser with Motor For all RCF focusers you must specify whether you want a flat or curved base.  For curved bases, you need to specify the radius.  If you don't, you will get the standard size radius.  Please specify...

JMI Reverse Crayford 1¼" Focuser $121.00

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JMI Reverse Crayford 1¼" Focuser

JMI Reverse Crayford 1¼" Focuser For all RCF focusers you must specify whether you want a flat or curved base.  For curved bases, you need to specify the radius.  If you don't, you will get the standard size radius.  Please specify your...

JMI Next Generation Focuser NGF-XT (Cassegrain) $546.00

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JMI Next Generation Focuser NGF-XT (Cassegrain)

JMI NGF-XT Focuser  (Cassegrain)   A 3" black-anodized (gold-anodized optional) aluminum "Extreme" focuser designed for use on large (10" to 16") Cassegrain Telescopes (NGF-XTc) with standard output threads and Newtonian...

JMI Next Generation Focuser NGF-XT (Cassegrain with Motor) $697.00

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JMI Next Generation Focuser NGF-XT (Cassegrain with Motor)

JMI NGF-XT Focuser  (Cassegrain with Motor)   A 3" black-anodized (gold-anodized optional) aluminum "Extreme" focuser designed for use on large (10" to 16") Cassegrain Telescopes (NGF-XTc) with standard output threads and...

JMI Next Generation Focuser NGF-XT (Newtonian with Motor) $697.00

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JMI Next Generation Focuser NGF-XT (Newtonian with Motor)

JMI NGF-XT Focuser  (Newtonian with Motor)   A 3" black-anodized (gold-anodized optional) aluminum "Extreme" focuser designed for use on large (10" to 16") Cassegrain Telescopes (NGF-XTc) with standard output threads and...

JMI Next Generation Focuser NGF-XT (Newtonian) $546.00

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JMI Next Generation Focuser NGF-XT (Newtonian)

JMI NGF-XT Focuser  (Newtonian)   A 3" black-anodized (gold-anodized optional) aluminum "Extreme" focuser designed for use on large (10" to 16") Cassegrain Telescopes (NGF-XTc) with standard output threads and Newtonian...

JMI Illuminated Dial for EV Telescope Focusers $56.00

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JMI Illuminated Dial for EV Telescope Focusers

JMI Illuminated Dial for EV Telescope Focusers This upgrade uses an LED to illuminate the focuser positioning dial on any EV focuser.  Pressing the switch activates the LED which automatically shuts off (slowly fading to dark). This EV-1c has the...

JMI EV-75 Upgrade for Meade LXD55/75 SN-6 / SN-8 / SN-10 $83.00

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JMI EV-75 Upgrade for Meade LXD55/75 SN-6 / SN-8 / SN-10

JMI EV-75 Upgrade for Meade LXD55 / LXD75 SN-6 / SN-8 / SN-10 The EV-75 Upgrade makes the following changes to an EV-1n, EV-2n or EV-3n focuser to prepare it to replace the stock focuser on the Meade Schmidt-Newtonian: 1)  Add an Adapter (EV-ADPT5)...

JMI EV-3 Telescope Focuser (Refractor) $253.00

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JMI EV-3 Telescope Focuser (Refractor)

JMI EV-3 Telescope Focuser (Refractor) The Event Horizon EV-3 is a 2" black-anodized aluminum focuser with knurled knobs.  The focuser lifts up to 4 pounds.  Manual control is over 1½ times finer than most rack-and-pinion focusers. The...

JMI EV-3 Telescope Focuser (Refractor with motor) $404.00

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JMI EV-3 Telescope Focuser (Refractor with motor)

JMI EV-3 Telescope Focuser (Refractor with motor) The Event Horizon EV-3 is a 2" black-anodized aluminum focuser with knurled knobs.  The focuser lifts up to 4 pounds.  Manual control is over 1½ times finer than most rack-and-pinion focusers....

JMI EV-3 Telescope Focuser (Newtonian) $197.00

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JMI EV-3 Telescope Focuser (Newtonian)

JMI EV-3 Telescope Focuser (Newtonian) The Event Horizon EV-3 is a 2" black-anodized aluminum focuser with knurled knobs.  The focuser lifts up to 4 pounds.  Manual control is over 1½ times finer than most rack-and-pinion focusers. The...

JMI EV-3 Telescope Focuser (Newtonian with motor) $348.00

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JMI EV-3 Telescope Focuser (Newtonian with motor)

JMI EV-3 Telescope Focuser (Newtonian with motor) The Event Horizon EV-3 is a 2" black-anodized aluminum focuser with knurled knobs.  The focuser lifts up to 4 pounds.  Manual control is over 1½ times finer than most rack-and-pinion focusers....

JMI EV-3 Telescope Focuser (Cassegrain) $187.00

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JMI EV-3 Telescope Focuser (Cassegrain)

JMI EV-3 Telescope Focuser (Cassegrain) The Event Horizon EV-3 is a 2" black-anodized aluminum focuser with knurled knobs.  The focuser lifts up to 4 pounds.  Manual control is over 1½ times finer than most rack-and-pinion focusers. The...

JMI EV-3 Telescope Focuser (Cassegrain with motor) $338.00

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JMI EV-3 Telescope Focuser (Cassegrain with motor)

JMI EV-3 Telescope Focuser (Cassegrain with motor) The Event Horizon EV-3 is a 2" black-anodized aluminum focuser with knurled knobs.  The focuser lifts up to 4 pounds.  Manual control is over 1½ times finer than most rack-and-pinion focusers....

JMI EV-2 Telescope Focuser (Refractor) $310.00

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JMI EV-2 Telescope Focuser (Refractor)

JMI EV-2 Telescope Focuser (Refractor) The Event Horizon EV-2 is a 2" black-anodized aluminum focuser with rubber grip knobs.  The focuser lifts up to 8 pounds.  Manual control is over 1½ times finer than most rack-and-pinion focusers. The...

JMI EV-2 Telescope Focuser (Refractor with motor) $461.00

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JMI EV-2 Telescope Focuser (Refractor with motor)

JMI EV-2 Telescope Focuser (Refractor with motor) The Event Horizon EV-2 is a 2" black-anodized aluminum focuser with rubber grip knobs.  The focuser lifts up to 8 pounds.  Manual control is over 1½ times finer than most rack-and-pinion...

JMI EV-2 Telescope Focuser (Newtonian) $253.00

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JMI EV-2 Telescope Focuser (Newtonian)

JMI EV-2 Telescope Focuser (Newtonian) The Event Horizon EV-2 is a 2" black-anodized aluminum focuser with rubber grip knobs.  The focuser lifts up to 8 pounds.  Manual control is over 1½ times finer than most rack-and-pinion focusers. The...

JMI EV-2 Telescope Focuser (Newtonian with motor) $404.00

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JMI EV-2 Telescope Focuser (Newtonian with motor)

JMI EV-2 Telescope Focuser (Newtonian with motor) The Event Horizon EV-2 is a 2" black-anodized aluminum focuser with rubber grip knobs.  The focuser lifts up to 8 pounds.  Manual control is over 1½ times finer than most rack-and-pinion...

JMI EV-2 Telescope Focuser (Cassegrain) $244.00

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JMI EV-2 Telescope Focuser (Cassegrain)

JMI EV-2 Telescope Focuser  (Cassegrain) The Event Horizon EV-2 is a 2" black-anodized aluminum focuser with rubber grip knobs.  The focuser lifts up to 8 pounds.  Manual control is over 1½ times finer than most rack-and-pinion focusers. The...

JMI EV-2 Telescope Focuser (Cassegrain with motor) $395.00

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JMI EV-2 Telescope Focuser (Cassegrain with motor)

JMI EV-2 Telescope Focuser (Cassegrain with motor) The Event Horizon EV-2 is a 2" black-anodized aluminum focuser with rubber grip knobs.  The focuser lifts up to 8 pounds.  Manual control is over 1½ times finer than most rack-and-pinion...

JMI EV-1 Telescope Focuser (Newtonian) $338.00

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JMI EV-1 Telescope Focuser (Newtonian)

JMI EV-1 Telescope Focuser The Event Horizon EV-1 is a 2" black-anodized aluminum focuser with rubber grip knobs and two-speed operation.  The focuser lifts up to 8 pounds.  Dual-speed manual controls are over 15 times finer (small outer knob)...


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Explore Scientific 127mm APO