Focal Reducers

The RVO Horizon 0.5x Focal Reducer is a 1.25" threaded reducer for any 1.25" eyepiece or diagonal. This reducer will essentially half your focal length of your telescope providing a wider field of view and brighter images.

The RVO Horizon 0.5x Focal Reducer is a 2" threaded reducer for any 2" eyepiece or diagonal. This reducer will essentially half your focal length of your telescope providing a wider field of view and brighter images.

This superb 0.5x focal reducer has been designed to be used with a wide range of modern CCD cameras and eyepieces. The lens has a female 1.25" eyepiece filter thread and can be attached to camera and eyepiece nose barrels to achieve a 50% increase in field of view.

This superb fully multi-coated double-element focal reducer takes advantage of the latest computer aided design techniques to achieve the highest standards of performance to dramatically increase the field of view

The RVO Horizon 0.75x Focal Reducer is a 2" push fit reducer designed for use with the RVO Horizon Ritchey-Chretien telescopes. This 2 element optical design reduces the scopes effective focal length by a factor of 0.75x.

This superb fully multi-coated double-focal reducer takes advantage of the latest computer aided design techniques to achieve the highest standards of performance to dramatically increase the field of view

This superb fully multi-coated multi-element focal reducer takes advantage of the latest computer aided design techniques to achieve the highest standards of performance set by the brand leaders at a fraction of the cost.

This combination focal reducer and field corrector lens accessory works with all Celestron 5", 6", 8", 9 1/4", 11" and 14" Schmidt-Cassegrain telescopes. This clever accessory makes it possible to have a dual focal ratio instrument, without sacrificing image quality.

Designed for serious Astro-Imagers. Optimised for the Evostar 100 ED PRO range, this superb quality accessory effectively reduces the telescope’s focal length by a factor of 0.85x and provides much improved field-edge correction.

The focal reducer for the AX103S Refractor telescope is designed for APS-C format cameras. It reduces focal Length by 0.7x, changing to f/5.6.

This high quality reducer for photographic from Vixen is used is designed to shorten the effective focal length of your Vixen ED81S, ED103S or ED115S refractor telescopes.

The reducer is designed with a three-element air-spaced lens structure, supporting full-frame imaging, effectively controlling unwanted vignette. The practical focal ratio of the Sharpstar 61EDPH when used with this reducer is f/4.5

Designed for serious Astro-Imagers. Optimised for the Evostar-72ED PRO, this superb quality accessory effectively reduces the telescope’s focal length by a factor of 0.85x and provides much improved field-edge correction.

The brand new full frame reducers by ZWO are now available to suit the FF65, FF80 and FF107/130 series. Ideal for an even wider field of view.

Designed for serious Astro-Imagers. Optimised for the Evostar ED PRO range, this superb quality accessory effectively reduces the telescope’s focal length by a factor of 0.85x and provides much improved field-edge correction.

Designed for serious Astro-Imagers. Optimised for the Evostar-150ED PRO, this superb quality accessory effectively reduces the telescope’s focal length by a factor of 0.85x and provides much improved field-edge correction.