Celestron FirstScope Accessory Kit (1.25")

BH #CEFSAK • MFR #21024-ACC
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Celestron FirstScope Accessory Kit (1.25")
Key Features
  • 6mm Eyepiece
  • 12.5mm Eyepiece
  • Moon Filter
  • 5x24 Finderscope with Bracket
Designed with the goal of improving the observational experience of their FirstScope, Celestron assembled the FirstScope Accessory Kit. It includes a 5x24 finderscope with a mounting bracket, two eyepieces, a moon filter, and a carrying bag for the kit plus the telescope and mount. Although assembled for the FirstScope, the eyepieces will fit any 1.25" focuser or accessory and the filter will screw onto most 1.25" astronomical eyepieces.
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Celestron 21024-ACC Overview

Designed with the goal of improving the observational experience of their FirstScope, Celestron assembled the FirstScope Accessory Kit. It includes a 5x24 finderscope with a mounting bracket, two eyepieces, a moon filter, and a carrying bag for the kit plus the telescope and mount. Although assembled for the FirstScope, the eyepieces will fit any 1.25" focuser or accessory and the filter will screw onto most 1.25" astronomical eyepieces.

5x24 Finderscope
  • Low 5x magnification ensures a wide field of view to make finding objects fast and star-hopping navigation easy
  • Includes a mounting bracket designed for the curvature of the FirstScope
  • Mounts on the FirstScope without tools
Eyepieces
  • 1.25" diameter barrel
  • Accepts most 1.25" astronomical filters
  • 12.5mm eyepiece yields 24x power
  • 6mm produces a 50x magnification
Moon Filter
  • Tinted glass for longevity
  • Fits most 1.25" eyepieces and accessories
  • Reduces lunar glare to protect the user's eye and increase surface contrast
Additional Accessories
  • Nylon tote bag designed to fit the telescope OTA and tabletop mount, plus the accessories in this kit
  • "Starry Night," free downloadable software to teach newcomers about astronomy and what is available to look at on any given day, time, and location
UPC: 050234010245

Celestron 21024-ACC Reviews

My Sons first telescope

By Daniel
Rated 5 out of 5
Date: 2026-01-29

I bought this telescope for my son when he showed a passionate interest in stargazing. It came without a spot scope, so I bought this one to train him to line up better. It works perfectly and he hits his target almost immediately each time. I am going to have to upgrade him soon, as he is growing tired of staring at the moon. This little kit adds great accessories for this scope. It is a great product for the money and even includes a case for the scope itself. Thanks guys....

The DVD wasn't included

By Kim
Rated 3 out of 5
Date: 2021-03-01

I have found this to be an acceptable accessory kit, with easy to follow instructions.

See any errors on this page?

question

what is the size of the 12.5mm ?
Asked by: Anonymous
All the eyepieces in this kit, filter are 1.25 .
Answered by: Alex S.
Date published: 2020-07-22

Does this fit the celesteon powerseeker 114 eq?

Does this fit the celesteon powerseeker 114 eq?
Asked by: Rosina
Yes it will. The FirstScope Accessory Kit's 1.25" eyepieces will fit into the PowerSeeker 114EQ's 1.25" focuser. Sincerely, Garrett at Celestron
Answered by: Telescope
Date published: 2019-10-07

whats the magnification of the eyepiece?

whats the magnification of the eyepiece?
Asked by: mohamad
The Celestron FirstScope Accessory Kit (1.25") is designed primarily to be used with the Celestron FirstScope Telescope. This kit comes with two eyepieces that can be used with the Firstscope. When used with the Firstscope the 12.5mm eyepiece yields 24x magnification, and the 6mm eyepiece yields 50x magnification.
Answered by: Yaakov
Date published: 2022-08-18
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