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Jims Mobile (JMI) EV-1 Event Horizon 2 Inch Crayford Telescope Focusers

Item # HN-JSMM046

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Jims Mobile (JMI)

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  • JMI EV-1 Event Horizon Focuser
  • Available in SCT, Newtonian and Refractor
  • Available with or without motor
  • Two-speed operation
  • Lifts up to 8 pounds
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Customer Reviews


by PowerReviews
Jims Mobile (JMI) EV-1 Event Horizon 2 Inch Crayford Telescope Focusers

(based on 1 review)

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Reviewed by 1 customer

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Excellent Focuser


from Nashvillle, TN

About Me Casual/ Recreational

Verified Buyer


  • Easy To Use
  • Strong Construction


    Best Uses

    • Astronomy

    Comments about Jims Mobile (JMI) EV-1 Event Horizon 2 Inch Crayford Telescope Focusers:

    This focuser was very easy to install and use. I just screwed it on the back of my Celestron 14" Edge HD and it fit perfectly. The gears are very smooth when turning the fine focus knob. I have some heavy large 2" eyepeices and also use a 90 degree 2" diagonal and it works excellently with them. It helps with the final focusing when using high power eyepieces. It also comes with adapters to use 1 1/4" eyepeices if you wish. Well worth the money. Now if I can just get the moon to go away until early morning and have some clear nights I plan to really enjoy it:-)

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