Rollei Filter Astroklar Rechteckfilter - Nachtlicht Filter 100 mm
Rollei Filter Astroklar Rechteckfilter - Nachtlicht Filter 100 mm
Rollei Filter Astroklar Rechteckfilter - Nachtlicht Filter 100 mm
Rollei Filter Astroklar Rechteckfilter - Nachtlicht Filter 100 mm
Rollei Filter Astroklar Rechteckfilter - Nachtlicht Filter 100 mm
Rollei 26334

Astroklar rectangular filter - night light filter 100 mm

Regular price €138,00 Sale price €69,00
/
incl. 19% VAT. plus 5.90 Shipping

It is not without reason that scientific celestial telescopes are located on islands or in sparsely populated regions. The steadily increasing light emission from cities and metropolitan areas, also called Light smog or light pollution referred to, makes the observation and photography of stars or other celestial objects extremely difficult. The uncomfortable veil also interferes with "normal" night shots and city panoramas. DSLR and DSLM photographers are available Reducing the effects of light pollution now the new Rollei 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 recordings of starry skies and night photos without a yellow cast - even in large cities and their surroundings.

Less light smog, more detail and clarity

A special coating removes most of the yellow and orange light waves from the light that are largely responsible for the annoying light curtain. Above all, not only images of the night sky and the stars gain significantly in contrast and clarity, the advantages of this high-quality special rectangular filter, which can be used both in 150mm as well as 100mm width is available now. With architectural or long-term exposures in an urban environment, even filigree structures and contrasts are retained in the motif and no longer "tear out". Due to the extensive filtering of the warmer light components, your recordings will generally be 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 use your Rollei Astroklar filter even in demanding projects and under adverse weather conditions, the high-quality optical glasses have 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. We generally recommend not only when combining with other filters such ase Gray filters,Polarizing filters andGraduated gray filters in the filter holder, the use of aTripod and / or oneRemote shutter release.

Highlights
  • Effectively reduces light pollution in the dark
  • Made from high quality optical glass
  • Double-sided nano-coating
  • Prevents reflections
  • Water, oil and dirt repellent
  • Neutral behavior in the IR light range
Technical specifications
Size:
100 x 105 mm
Compatibility: 100 mm rectangular filter system
Product line: Astro-clear
Material glass:
High quality optical glass with double-sided nano-coating
scope of delivery
  • 1x Astroklar filter

 

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