SolarMax 40 Telescope with BF10 Telescope and Observatory: DurangoSkies.com

SolarMax 40 Telescope with BF10	$1,699.00
[SM40T10]

The SolarMax 40 telescope has the same aperture as the PST but is distinguished by several key factors. The SolarMax 40 telescope comes standard with a < 0.7 angstrom bandpass which results in increased surface detail across the disk. A T-Max attached directly behind the etalon gives you the ability to adjust for Doppler shifted light. Bino-viewers and most imaging equipment will come to focus, sometimes with the use of a Barlow or OCS. These features plus enhanced surface detail make the SolarMax 40 telescope a more versatile instrument with remarkable solar images.

With the SolarMax 40 telescope you will see all of the limb detail of the PST but with enhanced surface features. The SolarMax 40 telescope comes standard with a BF10 blocking filter this is ideal for use with imaging equipment and bino-viewers. The larger blocking filter allows you to extend the focal length without vignetting but does not enhance detail or narrow the bandpass. You can also purchase a second SolarMax 40 filter / T-Max, along with a small adaptor plate, and attach these to the front in order to lower the bandpass to < 0.5 angstroms. This is called "double stacking" and further enhances surface detail.

The SolarMax 40 telescope comes standard with a clamshell mounting ring and hard travel case. Optional accessories include CEMAX series eyepieces and Sol Ranger sun finder.

While some SolarMax 40 filters will be optically matched to create the more narrow bandpass Coronado strongly recommends that the customer send their SolarMax 40 Telescope to Coronado so that their technicians can find the ideal matching unit for your setup. Coronado can't guarantee the performance of double stacked filters that are not matched by Coronado. Once double stacked a SolarMax 40 Telescope can be brought back to its original performance spec of <0.7A by removing the additional unit. The second filter will be unlikely to provide decent Ha images on its own as it has been built specifically for double stacking.

Product Specifications:

Aperture: 40mm
F/L: 400mm
F/Ratio: F/10
Bandwidth: <0.7A - <0.5A
Thermal Stability: 0.005 °/C
Blocking: Full blocking >10^-5 from EUV to far IR

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