Featured Accessories to Soothe your Mars Fever

Imaging and Visual Accessories

IR Pass Filter - 1.25" & 2"
Primarily Imaging

This filter finds application in planetary imaging. It is a favorite of webcam users when imaging planets - especially Mars. The passband begins in the deep red region at 670nm and extends well into the infrared. This long wave light can be used in IR LRGB imaging to produce a sharper luminance image for the best planetary contrast. Often the atmospheric seeing is much steadier at these IR wavelengths. Images taken with IR as luminance channel have produced some of the finest Mars pictures during the last opposition. Contrast on Jupiter and other planets is also visibly enhanced

Both surfaces are optically polished to produce diffraction limited images and professionally coated to very tight tolerances.

Available in 1.25" (BPIRP125) or 48mm (BPIRP2) sizes
BPIRP125$82.00 in stockAdd BPIRP125 To My Cart
BPIRP2$131.00 in stockAdd BPIRP2 To My Cart

UV-IR Rejection Filter - 1.25" and 2"
Both Imaging and Visual

This filter is a must for all digital imaging with CCD cameras, digital cameras and webcams. Corresponds to the L ("Luminance") filter in an RGB filter set. Provides pinpoint stellar images.

Reflects deleterious infrared rays without heating, while providing 98% transmission over the entire visual spectrum. The plane-parallel polished substrate allows this filter to be employed at large distances from the focal plane, notably in binocular viewers and for eyepiece projection.

Exciting possibilities in combination with other filters! For example, when combined with the Solar Continuum Filter, the entire accessible electromagnetic spectrum is blocked with the exception of a narrow region around 540nm.

More Information - PDF document
Transmission Curve - PDF document

BPUVIR125$66.00 in stockAdd BPUVIR125 To My Cart
BPUVIR2$114.00 in stockAdd BPUVIR2 To My Cart

Mark V Binocular Viewer

The advantages of two eyes to discern fine detail are well documented and this is the finest viewer on the market today. The Mark V Binocular Viewer is the culmination of years of research and development, originally by Carl Zeiss Jena and further advanced by Baader Planetarium. It combines all the best features to provide a superb viewing experience - optical quality, high transmission coatings and diopter adjustment to individually focus each eye.

More Information

BPMARKVS$1,785.00 in stockAdd BPMARKVS To My Cart


Neodymium ("Moonglow & Skyglow") Filter - 1.25" and 2"
Both Imaging and Visual

This filter was designed to transmit the maximum amount of incoming light, while suppressing skyglow due to artificial lighting and background glow when the Moon is up. The filter material is a special Neodymium glass that effectively filters out selective wavelengths of low-pressure sodium and other manmade sources.

For Mars viewing, try it alone and in conjunction with color filters to improve contrast and detail. Try it with the yellow for surface detail or with the lighter blue to bring out polar cap details.

More Information
Transmission Curve - PDF document
Extended Transmission Curve

BPMS125$74.00 in stockAdd BPMS125 To My Cart
BPMS2$119.00 AugustAdd BPMS2 To My Cart


Color Filters - 1.25"
Both Imaging and Visual

These color filters provide the highest levels of image brightness and freedom from scattered light, combined with uncompromising image sharpness and high magnifications required to observe delicate planetary details. For Mars viewing, try the yellow either alone, or with the Neodymium filter above.

All surfaces are polished to exacting tolerances of flatness and parallelism to far surpass the performance of "flame-polished" substrates employed in typical economy filters. All surfaces feature 7-layer multi-coatings that reduce reflective losses to a mere 0.25%.

More Information
Transmission Curve - PDF document
Extended Transmission Curve

BPCF125$174.00 in stockAdd BPCF125 To My Cart