Baader Planetarium UV IR-Cut Telescope Filter 2" FUVIR-2

Baader Planetarium UV IR-Cut Telescope Filter 2" FUVIR-2

• Unmatched 98% Average Transmission! Freedom from ghost images (very low reflection multi-coating, S
• Extremely Sharp Cutoff at 680nm (leaves all the visible red, including the important 656nm H-alpha
• Sharp cutoff below 420nm. Eliminates violet halos around bright stars (more effectively than simple
• True optical quality glass substrate and coatings. Why spend all your money on quality primary optic
• Combine with any of the other Baader filters, to deliver the sharpest images possible.

This filter is a must for all digital imaging with Digital Cameras, CCD Cameras, and modified Web Cams. Also useful for protecting valuable H-Alpha filters from heat stress and damaging IR (Daystar, etc). Due to their extremely high optical quality, these filters may be stacked and used far in front of the focal plane (necessary for imaging uses). Like the Baader Planetarium Contrast-Booster, the UV-IR-Cut filter uses the very latest coating technology, to deliver the finest filtration quality and lifetime durability.

Features:

List Price: $ 119.00

Price: $ 119.00

1.25" Orion Oxygen-III Nebula Eyepiece Filter

• Orion's Oxygen-III (O-III) eyepiece filter reveals wondrous details when viewing cloudy nebulas
• Filter transmits close to 90% of the light corresponding to 2 oxygen-III spectral lines at 496nm and 501nm for enhanced nebula detail in visual views
• Completely blocks virtually all other visible wavelengths of light so views of nebulas are optimized
• Eyepiece filter features high quality optical glass in a double-threaded, metal filter cell
• Recommended for use with telescopes of 8" aperture or greater for best results and for visual use only

You can't turn up the luminosity on nebulas, but you can crank up the contrast between them and the sky to reveal more of their wondrous detail. Our Oxygen-III filter provides extremely selective filtration to bring out elusive detail in diffuse and planetary nebulas. It does so by transmitting close to 90% of the light corresponding to the two oxygen-III spectral lines at 496nm and 501nm while completely blocking virtually all other wavelengths. The results are remarkable. You'll see more detail than you ever could before in nebular gems such as the Swan, Ring, Dumbbell, Helix, and Eagle, to name a few. The O-III provides an even greater contrast boost on some objects than the UltraBlock narrowband filter. And for nebulas, every little bit helps! Try the O-III with a low-power 2" eyepiece and take in the whole Veil Nebula. Wow!

List Price: $ 109.99

Price: $ 109.99

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