Coronado SolarMax 90mm Ha Filter w/TMax Tuner and 10mm BF

Catalog description

Coronado SolarMax 90mm Ha Filter w/TMax Tuner and 10mm BF, part number MEAD175, is a discontinued product from the 2007–2011 catalog. It was last listed at $5045.00.

SolarMax 90 - 90mm aperture narrowband Ha Filter with TMax Tuner and 10mm blocking filter. Maximized for telescopes under 1000mmSOLARMAX 90:The SolarMax 90 is the largest aperture H-A filter that Coronado manufactures as a part of our standard filter line. For those with aperture fever this is a must-have. Its 90mm aperture and The Advantage of the T-Max:Some events on the Sun notably active flares and coronal mass ejections (CMEs) are extremely fast moving. If such features occur on the disc of the Sun their high velocity towards the observer results in their wavelength being Doppler shifted shorter than Ha. If the velocity is high enough this wavelength could be outside the passband of the filter and the feature would not be observable. The T-Max allows the user to de-tune the SolarMax slightly to bring such phenomena into better visibility. The T-Max fits between the SolarMax and its adaptor plate. A simple rotary wheel movement accomplishes the tilt necessary to move the passband of the filter. Because of the filter's position at the front end of the telescope this does not compromise the performance of the filter nor limit the Ha field of view as is the case with rear mounted filters. Users of the TMAX describe its enhancement of their Solar observingProduct SpecificationsType: AS-1 series thermally stable with hard non-degenerating coatings. Aperture: 90mm Wave length: 6562.8A (H alpha) Bandwidth:

• Filters
• Telescopes