Astroklar rectangular filter - night light filter 100 mm
🔸 Effectively reduces light pollution in the dark
🔸 Prevents reflections
🔸 Water, oil and stain resistant
🔸 Made of high quality optical glass
🔸 Double-sided nano-coating
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Astroklar rectangular filter - night light filter 100 mm from Rollei
Astroklar rectangular filter
It is not without reason that scientific celestial telescopes are located on islands or in sparsely populated regions. The constantly increasing light radiation from cities and metropolitan areas, also as light smog or light pollution called, makes the observation and photography of stars or other celestial objects enormously difficult. However, the unpleasant veil is also annoying on "normal" night shots and city panoramas. DSLR and DSLM photographers are available Reducing the effects of light pollution the roll Astroklar night light filter to disposal. The artificial light sources that cause the greatest light pollution are sodium vapor lamps (light wavelength approx. 590 nm) and mercury vapor lamps (light wavelength 545 nm and 580 nm). Among other things, these wavelengths block our night light filters and thus enable shots of a starry sky and night shots without a yellow tinge - even in large cities and their environs.
Less light pollution, more detail and clarity
A special coating largely removes the yellow and orange light waves from the light , which are largely responsible for the disturbing veil of light. Above all, not only do recordings of the night sky and the stars clearly gain in contrast and clarity, the advantages of this high-quality special rectangular filter are also evident in nighttime city photography in 100 x 100 mm width is available. In the case of architectural or long-term exposures in an urban environment, even filigree structures and contrasts in the subject are retained and no longer “tear out”. Due to the extensive filtering of the warmer light components, your shots will generally appear a little cooler, so always carry out a manual white balance and select one Color temperature between +700 K and +1,500 K of the spectrum without using a filter to ensure the color authenticity of your images.
Best optical glass, double-sided nano-coating
So that you can also use your Rollei Astroklar filter for demanding projects and under adverse weather conditions, the high-quality optical glasses have been treated with a special nano-coating on both sides. This additional protective layer not only reliably prevents reflections from uncontrollable light sources, which are particularly annoying when shooting at night, but also has a strong water, oil and dirt-repellent effect. The cleaning of your Astroklar rectangular filter becomes child's play, if at all necessary. The light transmission when using the Astroklar filter is reduced by a 2/3 stop or f-stop. Generally we recommend, not only when combining with other filters likee gray filters,polarizing filters andGraduated Gray Filters in the filter holder, the use of atripod and/or oneremote trigger.
|Type of filter:||square filter|
|Compatibility:||100mm filter holder systems|
|Product line:||astro clear|
||High quality optical glass with double-sided nano-coating
scope of delivery
- 1x Astroklar filter
- 1x filter case
- 1x cleaning cloth
- 1x replacement foam rubber
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Alle Preise inklusive 19% MwSt. Andere Länder abweichend. ¹ Preisangabenverordnung. Bester Preis der letzten 30 Tage vor Preisreduzierung.² Kostenloser Versand ab 100 € innerhalb von Deutschland und Österreich. Andere Länder ausgenommen. Nur Standardtarif mit DHL. Versandkostenberechnung findet im Checkout statt.