Why Purchase from All-Star Telescope?
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30 Day Return Policy
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Product Description
This Coronado 90mm F/8.9 refractor is equipped with a 90mm external hydrogen - alpha (H-α ) filter and features a <0.7Ã… bandpass and a 30mm blocking filter. What makes the SM3 standout? Read on!
It has a new 2" two-speed rack & pinion focuser with both coarse and fine focus controls which provide the user a more precise focus, critical for both solar imaging and visual observing. Additionally, the SM3 90mm includes only external "True" H-α etalon filter giving higher contrast views and sharper features compared with models using smaller internal H-α etalon designs. Experience darker backgrounds, sharper features, and higher contrast with the new SolarMax III series telescope.
Also includes Coronado's patented RichView tuning allowing direct tuning of the primary etalon filter. The patented RichView tuning technology provides additional tuning range and an overall better way of adjusting the filters bandpass. Now you can tune for the highest contrast views of your favorite solar features without sacrificing image quality.
This telescope with enhanced rack & pinion focuser and large external etalon is now the perfect way to view the Sun! The SM3 90mm comes with an included 12mm, 18mm, 25mm CEMAX eyepieces, CEMAX 2x Barlow, Sol Ranger Solar Finder, 30mm blocking filter, Vixen-style dovetail mounting rail, and an all-new black and gold Aluminum Hard Carry Case (Dimensions: 26.5" X 8.66" X 8.66").
Warranty note: Limited Warranty against defects in materials or workmanship for five years from date of purchase. This warranty is provided by Meade for the benefit of the original retail purchaser only. For complete warranty details contact Meade at 800-626-3233.
What can I see with a Coronado SOLARMAX III 90MM W/ BF30 & CASE (324013)?
Here are some simulated views of common objects. Results with your telescope will vary with viewing conditions, obrits, equipment and more.
Jupiter with
25mm Eyepiece - 32x Magnification
(Included with This Telescope)
Jupiter with
18mm Eyepiece - 44x Magnification
(Included with This Telescope)
Jupiter with
12mm Eyepiece - 67x Magnification
(Included with This Telescope)
Moon with 25mm Eyepiece
32x Magnification
(Included with This Telescope)
Moon with 18mm Eyepiece
44x Magnification
(Included with This Telescope)
Moon with 12mm Eyepiece
67x Magnification
(Included with This Telescope)
Andromeda with 36mm Eyepiece
22x Magnification
Sold Separately
Andromeda with 25mm Eyepiece
32x Magnification
(Included with This Telescope)
Andromeda with 18mm Eyepiece
44x Magnification
(Included with This Telescope)
What's in the Box
Specifications
| Best for viewing | Solar |
| User level | Advanced |
| Optical design | Refractor |
| Optical diameter | 90mm |
| Focal length | 800mm |
| Focal ratio | f/8.9 |
| Coatings | Fully multi-coated |
| Eyepieces | Cemax 25.0mm (1.25") |
| Magnification with included eyepieces | 32x, 67x |
| Resolving power | 1.28*sec |
| Lowest useful magnification | 13x |
| Highest useful magnification | 180x |
| Highest useful magnification | 180x |
| Limiting solar magnitude | 12.4 |
| Optical quality | Diffraction limited |
| Finder scope | Sol ranger |
| Focuser | 2" dual-speed Rack-and-pinion |
| Diagonal degrees | 1.25" 90° Blocking Filter Blocking Filter |
| Mount type | Optical Tube without Mount |
| Tube material | Aluminum |
| T-max tuner | Yes |
| Additional included accessories |
|
| Other features |
|
| Warranty | Five year |
Additional Articles, Videos, and Links
Go Ahead, Look at the Sun (With the Right Equipment)
Solar observation and solar photography are a lot of fun with the right equipment, and this is a great time to start. Every 11 years the Sun’s magnetic field completely flips. That means that the...
How to Pick the Best Telescope Eyepieces
Finding the right new telescope eyepiece can be a game changer. This post will help you to pick the best telescope eyepiece for your needs.