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Coronado Instruments SolarMax 40 w/BF5 Blocking Filter and TMax Tuner

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Product Description

The SolarMax 40 was designed specifically for use on short fast refractors under 1000mm focal length. Though small in size, the 40mm filter is large enough to resolve fine detail in surface structure and on the limb of the Sun. The SolarMax 40 will provide full disk H-Alpha views when matched with the appropriate Blocking Filter.

All SolarMax series filters are sold in sets — the front mounted SolarMax and rear blocking filter. Almost all telescopes will require an adapter plate in order to attach the SolarMax filter which are available from Meade Instruments' "Coronado Division".

The SolarMax includes a T-Max de-tuning device. 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. The T-Max allows the user to de-tune the SolarMax slightly to bring such phenomena into better visibility.

  • Aperture:                  40mm
  • Focal Length:          Variable
  • F/Ratio:                     Variable
  • Bandwidth:               <0.7Å
  • Thermal Stability:     0.005 Å/°C
  • Safety Blocking:       >10-5 from EUV/IR

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