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Home Astro-Imaging Focal Reducers & Flatteners Altair Lightwave 0.8x Focal Reducer
The Lightwave 0.8x focal reducer gives an 0.8x reduction in F-Ratio for faster exposure times, as well as a correspondingly wider field for astro-photography. Designed primarily for refractor telescopes of F6 or longer focal ratios, however also known to work with RC telescopes. Many refractor telescopes on the market with f6 or longer focal ratios such as the SkyWatcher Equinox and Evostar DS Pro range can benefit from this reducer for astrphotography.- Reduces and flattens phtographic field.- 38mm Clear aperture- Integral T-Ring adapter thread.- Requires back-focus of 55mm to CCD Chip.- For DSLRs a standard T-Thread adapter of approx. 10mm thickness is required.- The standard 2" OD barrel will fit any 2" format telescope like an eyepiece.- The base of the 2" OD barrel is threaded for 2" filters.- CNC machined body with gloss black anodized finish.Includes a CNC machined T-threaded end-cap to protect against dust on the rear lens element which is more exposed than the front element. A plastic dust cap is included for the 2" OD front barrel.Please note - image shows 0.6x - 0.8x is identical construction
Excellent service Purchased an Altair Lightwave 0.8x focal reducer from Harrison telescope Ltd, the item arrived very quickly, well packaged, the item is well made and solid, great optics, it does exactly as described. Great product, great service, and communication, from an excellent company. (20/09/2020) -
Top quality construction Very nicely made with a superb finish. Good quality optics. As usual excellent service from Harrison’s. (26/07/2020) Andrew Hatfield - Bradford
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