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Product Description
This Coronado 70mm F/5.7 refractor is equipped with a double stacked set of 60mm external hydrogen-alpha (H-α) filters and features a <0.5Ã… bandpass with a 15mm blocking filter included. What makes the SM3 standout? Read on!
It has a new two-speed 2" rack & pinion focuser with both coarse and fine focus controls allowing the user to get a more precise focus, critical for both solar imaging and visual observing. Additionally, the SM3 70mm includes external "True" H-α etalon filters 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.
The SM3 70mm 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 Double Stacked model (<0.5Ã… bandpass) include two "True" external etalon filters. One etalon filter equipped with our patented RichView tuner and second etalon with tip-tilt tuning using Coronado's T-Max tuner. Whether you are focusing on the solar edge or surface features in the chromosphere, this is the solar scope for you. Since both etalon filters are now external to the telescope, you can easily remove both filters and rear blocking filter diagonal to use the scope as a normal refractor for night time astronomy. It's like having two scopes in one!
This very high quality 70mm solar telescope features an 400mm focal length, f/5.7 focal ratio, 15mm blocking filter, and 60mm external Hydrogen-alpha Etalon double-stack with T-max Tuner. Includes mounting rings, Cemax 18mm eyepiece, Sol Ranger solar finder and black & gold aluminum hard carry case.
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 DS 70MM W/ BF15 & CASE (324006)?
Here are some simulated views of common objects. Results with your telescope will vary with viewing conditions, obrits, equipment and more.
Jupiter with
18mm Eyepiece - 22x Magnification
(Included with This Telescope)
Jupiter with
10mm Eyepiece - 40x Magnification
Sold Separately
Jupiter with
5mm Eyepiece - 80x Magnification
Sold Separately
Moon with 18mm Eyepiece
22x Magnification
(Included with This Telescope)
Moon with 10mm Eyepiece
40x Magnification
Sold Separately
Moon with 5mm Eyepiece
80x Magnification
Sold Separately
Andromeda with 36mm Eyepiece
11x Magnification
Sold Separately
Andromeda with 18mm Eyepiece
22x Magnification
(Included with This Telescope)
Andromeda with 10mm Eyepiece
40x Magnification
Sold Separately
What's in the Box
Specifications
| Best for viewing | Solar |
| User level | Advanced |
| Optical design | Refractor |
| Optical diameter | 70mm |
| Focal length | 400mm |
| Focal ratio | f/5.7 |
| Eyepieces | Cemax 18.0mm (1.25") |
| Magnification with included eyepieces | 22x |
| Resolving power | 1.65*sec |
| Lowest useful magnification | 10x |
| Highest useful magnification | 140x |
| Highest useful magnification | 140x |
| Limiting solar magnitude | 11.9 |
| 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 |
| Length of optical tube | 16.3 in. |
| Weight of optical tube | 7.6 lbs. |
| 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.