Barlow's, Focal Reducers and Diagonals

CELESTRON BARLOW Barlow lens and image amplifiers  

A Barlow changes the focal length of a telescope i.e.. a 1000mm with a 2x Barlow becomes 2000mm. This will have the effect of doubling the image size.

Olivon 2x Barlow 29.99
Basic range 2x Barlow. Normal price 15.00 7.50
Basic range 3x Barlow. Normal price 17.00 8.50

Celestron Omni 2x Barlow

Celestron X-Cel LX 2x Barlow lens 110.00
Celestron X-Cel LX 3x Barlow lens 110.00

SkyWatcher 2" ED Barlow Lens with 1.25" Adapter

Focal Reducers

A focal reducer will lower the f stop of your telescope for faster / shorter exposure times, which helps with photography and gives a wider field of view.

Generic .5 Reducer 19.99
Celestron 6.3 for SCT telescopes 125.00

Upgrading the diagonal on your telescope can be one of the best upgrades for your equipment as diagonals packaged with most telescopes can be improved upon.

SkyWatcher 2" dielectric with 1.25" adaptor : Push fit

99% light transmission

 SkyWatcher Dielectric 1.25" 99% light transmission   79.99
Celestron XLT 2" diagonal for SCT  199.00
Celestron 45 degree erecting prism 36.00
Celestron 90 degree star diagonal 36.00
The above is only a selection from our full range.


E & O E - 2019 Sussex Astronomy Centre