Baader U-Filter Venus 1.25-inch Filter

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Baader
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The latest coating technologies permit the Baader Venus Filter to transmit from 300nm to 400nm, with a peak transmission of 80%. The filter completely blocks the rest of the region from 200nm to 1500nm, through the use of a complex 20 layer dielectric coating stack, on top of a special optically polished UG-11 substrate. Up till now, Amateur efforts typically relied upon deep violet colored filters, or combinations with simpler interference filters, which do not provide the high transmission and efficient rejection outside the important spectral region from 320nm to 390nm. Given the poor transmissions of many optics in the UV and the lower sensitivity of some CCDs to this wavelength, high filter efficiency and complete rejection at longer wavelengths becomes paramount to recording good contrast at reasonable exposures. The same high optical quality and features as the other Baader filters ensures the highest contrast and sharpest images possible. The Baader U Filter has become the choice of UV imagers exploring the UV world of landscape, floral, and even forensic imaging. The latest 2" filter now has even higher transmission and improved out of band blocking. By using our DSLR-2 filter adapter ring plus the appropriate filter step ring (HDT-Rings), UV imagers can conveniently mount the U-Filter to their camera lens. ----------- Baader Planetarium is a renowned manufacturer of high-quality astronomical equipment such as telescope and camera adapters, filters, eyepieces, and laser collimators. Their products are distinguished by their exceptional quality and innovation, which has earned them the admiration of both amateur and professional astronomers. Their unwavering commitment to providing outstanding customer service and support has helped them establish a loyal customer base worldwide.With a team of skilled engineers and technicians, Baader Planetarium continues to pioneer new and innovative products that cater to the evolving needs of the astronomy community.
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BAA-2458292
OUR PRICE $375.00

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    The latest coating technologies permit the Baader Venus Filter to transmit from 300nm to 400nm, with a peak transmission of 80%. The filter completely blocks the rest of the region from 200nm to 1500nm, through the use of a complex 20 layer dielectric coating stack, on top of a special optically polished UG-11 substrate. Up till now, Amateur efforts typically relied upon deep violet colored filters, or combinations with simpler interference filters, which do not provide the high transmission and efficient rejection outside the important spectral region from 320nm to 390nm. Given the poor transmissions of many optics in the UV and the lower sensitivity of some CCDs to this wavelength, high filter efficiency and complete rejection at longer wavelengths becomes paramount to recording good contrast at reasonable exposures. The same high optical quality and features as the other Baader filters ensures the highest contrast and sharpest images possible.

    The Baader U Filter has become the choice of UV imagers exploring the UV world of landscape, floral, and even forensic imaging. The latest 2" filter now has even higher transmission and improved out of band blocking. By using our DSLR-2 filter adapter ring plus the appropriate filter step ring (HDT-Rings), UV imagers can conveniently mount the U-Filter to their camera lens.

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    Baader Planetarium is a renowned manufacturer of high-quality astronomical equipment such as telescope and camera adapters, filters, eyepieces, and laser collimators. Their products are distinguished by their exceptional quality and innovation, which has earned them the admiration of both amateur and professional astronomers.
    Their unwavering commitment to providing outstanding customer service and support has helped them establish a loyal customer base worldwide.
    With a team of skilled engineers and technicians, Baader Planetarium continues to pioneer new and innovative products that cater to the evolving needs of the astronomy community.

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