Price updated 29 Apr 2026, 00:00
Optical Vision 1.25 Inch Light Pollution Filter
Fair Price· Near 90-day average
90d Low
£27.98
Best seen
90d High
£27.98
Worst seen
90d Average
£27.98
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30d Forecast
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| Price + Ship | Store | Price | Shipping | Stock | Condition | Rating | |
|---|---|---|---|---|---|---|---|
Best£27.98 + £3.99 ship | Best£23.99 | £3.99 | In stock | new | — |
Product Description
- The Sky-Watcher 1.25 Inch Light Pollution Filter is a contrast-enhancing anodised aluminium, optical glass filter designed to block out the wavelengths of light emitted by mercury-vapour light and other common causes of light pollution, whilst providing higher transmission at critical hydrogen-alpha and hydrogen-beta lines than competing filters. Bright, light-polluted skies appear much darker, and the contrast between object and sky is improved significantly. This contrast-enhancement effect is particularly apparent on nebulae. Unlike stars, emission nebulae give off light in a very narrow range of wavelengths.
