Coronado - SolarMax III 70mm H-Alpha Solar Telescope with BF15 and Case

SKU
COR-324005
Special Price $2,999.99 Regular Price $3,199.99
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The Coronado SolarMax III brings velvety black backgrounds and higher contrast to solar observing thanks to enhanced RichView tuning. The Meade SMIII 70mm telescope features a full 60mm etalon with direct tuning of the primary etalon filter for a greater tuning range and improved bandpass adjustment over previous generations. With a 15mm blocking filter and case, this H-Alpha solar telescope offers the best tuning adjustment on the market today.

Coronado SolarMax III 70mm H-Alpha Solar Telescope with BF15 and Case

Features

  • The Coronado SolarMax III 70 with BF15 blocking filter has the same renowned solar observation components and results as the SolarMax II, but with enhanced 2" RP dual speed 10:1 focusing and a step forward in contrast and resolution with the 60mm external H-alpha filter. This improves dark vs light contrast between Sun and background.
  • Includes Coronado's patented Richfield tuning for front Etalon adjustment.
  • Includes 15mm BF15 blocking filter. Other blocking filter sizes are available to be purchased separately.
  • The SolarMax III 70 has a 400mm focal length and focal ratio of f/5.7.
  • Thermal Stability: 0.005 Å/°C

Coronado SolarMax III Enhancements

Meade has redesigned their Coronado SolarMax telescopes. The SolarMax III series includes an improved 2" dual speed rack and pinion focuser for smoother focus control and accurate focus adjustment for both observing and imaging. The true stand out feature of the SolarMax III 70mm telescopes is their 60mm external H-Alpha filter for improved contrast and sharper features than the telescopes with smaller etalons. The result is darker backgrounds and heightened detail on the Sun's surface and more prominently visible edge details like solar flares.

The 70mm SolarMax III is an f/5.7 dedicated h-alpha solar telescope with a 60mm external etalon and enhanced RichView tuning for an increased bandpass adjustment range. This high precision form of tuning provides velvety black backgrounds, tack sharp image resolution and increased precision in tuning when compared to previous generations.

BF15 15mm Blocking Filter

This configuration of the SolarMax III 70 Solar Telescope comes with the BF15 15mm blocking filter which is the second equation to the solar telescope. While the initial front filter has a bandpass centered on the H-Alpha line, the blocking filter further removes any other wavelengths with the exception of the H-alpha emission line so the view of the Sun is purely H-Alpha wavelengths where a majority of activity can be seen.

There are other blocking filter sizes that come with this telescope or can be purchased separately. Depending on whether the user is doing visual or imaging, the focal length of the telescope or sensor size of the camera (APS-C vs Full Frame) will depend on the proper blocking filter size that is needed.

Coronado's Richfield Tuning

With Coronado's patented Richfield Tuning system, the user can adjust tuning of the front etalon filter for either high contrast views such as flares, sunspots etc to a lower prominence tuning.

Warranty

Standard 5 year manufacturer warranty from date of purchase.

More Information
UPC 709942998344
Brand Coronado
Free Shipping Does Not Qualify for Free Shipping
Aperture 70mm
Case Included Yes
Focal Length 400mm
Focal Ratio f/5.7
Focus Type 2" Rack and Pinion with 10:1 fine adjustment
Focal Length of Eyepiece 1 18mm
Finderscope Included Sol Ranger
Diagonal Included 90 Degree Diagonal with Solar Filters
Included Dovetail Vixen-Style
Optical Tube Material Aluminum
Limiting Stellar Magnitude 11.9
Optical Coatings Fully Multi-Coated
Optical Tube Length 16.3 in
Optical Tube Weight 7.6 lbs
Warranty Five year
In The Box
  • Coronado SolarMax III 70 Optical Tube Assembly with BF15 Blocking Filter
  • Cemax 18mm eyepiece
  • Sol ranger finderscope
  • V-Style dovetail bar
  • Case
  • Coronado SolarMax III 70 Optical Tube Assembly with BF15 Blocking Filter
  • Cemax 18mm eyepiece
  • Sol ranger finderscope
  • V-Style dovetail bar
  • Case
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