Showing 1–24 of 33 results

Out Of Stock

Celestron 1.25″ 45-Degree Erect Image Diagonal

£36.00
  • Celestron 45-degree erect image diagonal accessory for daytime terrestrial viewing
  • Produces right side up and left-to-right correct images when used with refractors and catadioptric (Schmidt-Cassegrain) telescopes
  • Inserts into 1.25” focusers or visual backs; accepts standard 1.25” eyepieces
Celestron 1.25" Dielectric Diagonal with Twist-LockOut Of Stock

Celestron 1.25″ Dielectric Diagonal with Twist-Lock

£139.00
  • Enjoy better views through your telescope with this premium diagonal featuring diffraction-limited optics and dielectric coatings
  • Provides a 90° viewing angle, perfect for more comfortable viewing through refractor and Cassegrain-type telescopes
  • 58 layers of dielectric coatings provide an over 99% reflective surface, ensuring the maximum amount of light collected by the telescope reaches the eyepiece
  • Twist-lock keeps the eyepiece centred in the diagonal to provide better optical alignment
  • Accepts standard eyepieces, Barlow lenses, threaded filters, and other accessories with a 1.25” barrel
Out Of Stock

Celestron 1.25″ Eyepiece and Filter Kit

£199.00
  • Celestron 1.25” Eyepiece & Filter Kit includes 14 useful accessories
  • Five quality Plossl eyepieces, a 2X Barlow Lens, six coloured filters to improve observations of the planets, a Moon filter, and a foam-fitted aluminium carry case with extra room to grow
  • A Moon filter will increase your enjoyment of lunar observations by dimming the brightness and increasing contrast
  • The most popular planetary filters are included in this kit.
Celestron 1.25" Lunar and Planetary Filter SetOut Of Stock

Celestron 1.25″ Lunar and Planetary Filter Set

£35.00
  • Ideal starter set of 1.25” planetary filters for any telescope.
  • See features on the Moon & planets in a whole new light.
  • The aluminium cell is threaded on top and bottom for stacking.
  • Includes Wratten #12 Deep Yellow, #21 Orange, #80A Light Blue, and a #ND-96-0.3 Neutral Density Filter with 50% transmission.
Out Of Stock

Celestron 1.25″ Moon Filter

£10.00
  • Celestron 1.25” Moon Filter helps to reduce glare and increase contrast of the Moon
  • Useful for extra bright planets such as Venus and Jupiter, as well as terrestrial viewing over sand or snow
  • Threads into the barrel of most 1.25” eyepieces in seconds
Out Of Stock

Celestron 1.25″ Neutral Density Moon Filter

£15.00
  • For use with 1.25″ eyepieces
  • Threads into eyepiece barrel
  • Reduces brightness and cuts glare, increasing clarity of the Moon, Venus, and bright double stars
  • 13% light transmission
  • Provides a true colour image
Out Of Stock

Celestron 1.25″ Star Diagonal

£36.00
  • Celestron 1.25″ Star Diagonal fits telescopes with 1.25” focusers or visual backs
  • Accepts standard 1.25” eyepieces, Barlow lenses, and other accessories with a 1.25” insert barrel
  • Diagonal has 90° viewing angle, best for observing objects overhead
Out Of Stock

Celestron 1.25″ Univeral Barlow and T-Adaptor

£30.00
  • Three accessories in one with the Celestron Universal Barlow & T-Adaptor
  • Use during visual observing to double the magnification of every 1.25” eyepiece
  • Use the T-Adaptor portion without barlow for Prime Focus Photography
  • Tele-Extended Photography:  Use the T-Adaptor with Barlow to get double the magnification of prime focus mode
  • T-threads accept camera brand specific T-Ring (sold separately)
Out Of Stock

Celestron 1.25″ Variable Polarising Filter

£30.00
  • Celestron Variable polariser to reduce brightness and glare on the brightest celestial objects like the Moon, Venus, and bright double stars
  • Easily adjust the level of light transmission from 1-40% for the best possible view for your specific target and current viewing conditions
  • Simple to use—just rotate filter’s lower ring to adjust brightness
  • Threads into any 1.25” eyepiece barrel
Celestron 2" Dielectric Diagonal with Twist-LockOut Of Stock

Celestron 2″ Dielectric Diagonal with Twist-Lock

£229.00
  • Enjoy better views through your telescope with this premium diagonal featuring diffraction-limited optics and dielectric coatings
  • Provides a 90° viewing angle, perfect for more comfortable viewing through refractor and Cassegrain-type telescopes
  • 58 layers of dielectric coatings provide an over 99% reflective surface, ensuring the maximum amount of light collected by the telescope reaches the eyepiece
  • Twist-lock keeps the eyepiece centred in the diagonal to provide better optical alignment
  • Includes a step-down-adaptor, so the diagonal accepts eyepieces, Barlow lenses, threaded filters, and other accessories in both 2” and 1.25” sizes
  • Two interchangeable adaptors allow you to switch between a Schmidt-Cassegrain thread adaptor and a 2” barrel adaptor so you can use this diagonal with a wide variety of telescopes

Celestron 2″ Eyepiece and Filter Kit

£399.00
  • Celestron 2” Eyepiece and Filter Kit includes useful 2″ accessories for your Schmidt-Cassegrain or refractor telescope
  • Kit includes 2” Mirror Diagonal, three E-Lux 2” eyepieces, a 2” 2X Barlow Lens, five coloured filters to improve observations of the planets, and a foam-fitted aluminium carry case
  • The most popular planetary filters are included in this kit. They are threaded to attach to most any 2” eyepiece or accessory.

Celestron 2″ Mirror Diagonal with XLT Coatings

£199.00
  • Celestron 2” SCT mirror diagonal with high performance XLT coatings
  • Fits Celestron SCT and EdgeHD Telescopes
  • 1/10th wave mirror is tested with an interferometer to ensure quality
  • Housing is precision machined to achieve and hold good optical alignment
  • Includes a 2” to 1.25” adapter and aluminium carry case
Celestron 8-24mm ZoomOut Of Stock

Celestron 8-24mm 1.25″ Zoom Eyepiece

£99.00
  • Celestron zoom eyepiece – have “numerous eyepieces in one”
  • Zoom from low (24mm) to high (8mm) power in an instant with this versatile eyepiece!
  • 1.25″ barrel
Out Of Stock

Celestron Advanced VX/CGEM Polar Finder Scope

£42.00
  • For polar alignment of Celestron CGEM, Advanced VX, or CG-5 equatorial mount
  • Inserts into the polar finder port at the back of the mount
  • Easily identifiable star patterns of the Big Dipper, Cassiopeia and Octans are etched into the reticle, as well as Polaris and the North Celestial Pole, to help with alignment in the Northern or Southern Hemisphere
  • Focus adjustment for reticle clarity
Out Of Stock

Celestron AstroMaster Accessory Kit

£69.00
  • Eight-piece eyepiece and filter accessory kit for  Celestron AstroMaster, or any other telescope
  • Includes two 1.25” eyepieces, a 2X Barlow lens, three filters, a cleaning cloth
  • Storage case included
  • A plastic, hard carry case keeps everything safe in the foam-lined interior
Out Of Stock

Celestron CG-4 Polar Axis Finder

£39.00
  • Assists with the polar alignment of Celestron Omni or CG-4 equatorial mount more easily with this Celestron Polar Axis Finder
  • Inserts into the polar finder port at the back of the mount
  • The easily identifiable star patterns of the Big Dipper, Cassiopeia and Octans are etched into the reticle, as well as Polaris and the North Celestial Pole, to help with alignment in the Northern or Southern Hemisphere
  • Eyepiece has focus adjustments for reticle clarity

Celestron CrossAim 12.5mm Reticle with Illuminator

£75.00
  • Multi-purpose 12.5mm focal length eyepiece
  • Double crosshair reticle
  • Ideal for accurate polar alignment, centring of alignment stars and for guiding
  • Adjustable red LED light brightness control to illuminate crosshairs and preserve night vision
  • Fully coated optics for excellent light transmission on faint stars
  • Includes reticle eyepiece and illuminator
Out Of Stock

Celestron EclipSmart Solar Filter

£49.00£59.00
  • Instantly transform your normal Celestron 6” Schmidt-Cassegrain telescope, or 8″ SCT/EdgeHD into a SAFE yellow-light solar telescope
  • ISO compliant solar safe film protects your eyes when viewing the sun, unlike some other filters on the market
  • Scratch resistant polymer produced by American Paper Optics
  • Designed from the telescope’s lens cap for a snug fit, each filter includes two safety Velcro straps and four self-adhesive Velcro pads for safely securing your solar filter in place
Out Of Stock

Celestron f/6.3 Reducer Corrector

£125.00
  • Celestron f/6.3 focal reducer and field corrector
  • Works with all Celestron 5″, 6″, 8″, 9 1/4″, 11″ and 14″ Schmidt-Cassegrain telescopes
  • The Reducer/Corrector is f/6.3 for C5, C6, C8, C9¼ and C11 telescopes and f/7 for the C14 telescope
  • Can be used visually and for astroimaging
Offer
Out Of Stock

Celestron FirstScope Telescope Accessory Kit

£19.00 £13.00
  • Useful kit for getting more enjoyment out of your Celestron FirstScope telescope
  • Moon filter for comfortable viewing of the Moon
  • Two eyepieces giving 24X and 50X magnification
  • A 5×24 finderscope makes locating objects much easier
  • Take your FirstScope telescope anywhere with the nylon carry bag
  • Learn more about the night sky with BONUS Astronomy Software download

Celestron Large SCT and Edge HD Adaptor for Off-Axis Guider

£25.00
  • For use with the Celestron Off-Axis Guider (#93648) with a 9.25”, 11” or 14” SCT or EdgeHD optical tube
  • Produces a larger area of illumination when imaging through larger SCT & EdgeHD telescopes
  • Ideal for use when using larger format cameras like the Canon 5D or 6D—allows use of the full image circle for better illumination of the sensor
  • Machined of black anodised aluminium with a clear aperture of 62.7 mm
Out Of Stock

Celestron LensPen Optics Cleaning Tool

£12.00
  • Celestron LensPen to keep your optics clean
  • Clean smudges, fingerprints, pollen, and other sticky substances from the optics with the special cleaning element
  • Dry soft cleaning pad uses no liquids…nothing to spill or dry out
  • Soft retractable brush for removing loose particles and dust
  • The LensPen is safe and easy-to-use. Keep one handy for all your optics!