Coronado SolarMax 90 Telescope
- Price: $5,999.00
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Availabillty Details
CloseThis is a special order item and is non-cancelable and non-returnable. Est. arrival at B&H is 7-14 days (subject to availability). Your order will be charged at time of shipment.
The MaxScope is a precision instrument and its warranty is NOT valid if purchased with any form of ground-based shipping. Select 2-day or overnight shipping instead.
This SolarMax 90 Telescope from Coronado is a dedicated H-Alpha solar viewing telescope with a 90 mm SolarMax filter, a T-Max 90 tuner, a BF-15 blocking filter, and a full CEMAX eyepiece set. The SolarMax 90 features a <0.7 Å solar-viewing system that will provide detailed views of plage, flares, filaments, prominences, and granulation.
The heart of the SolarMax 90's viewing system is the SolarMax 90 filter and its matching T-Max 90 Doppler Tuning Unit. This combination can be selectively adjusted by the viewer to de-tune the telescope's optical system. The wavelengths produced by high-velocity events such as active flares and coronal mass ejections (CME) can Doppler-shift and become invisible to a fixed H-Alpha system. The slight adjustment range made possible by the T-Max 90 allows these phenomena to become more visible.
All SolarMax filters must be used with a secondary interference filter. This package includes the BF-15 blocking filter - a 1.25" diagonal with a 15 mm aperture that produces a 13.6 mm image. The BF-15 is thermally stable, so the image will not drift off the H-Alpha line as it heats up during use.
SolarMax telescopes produce outstanding views of the Sun's active surface with 100% safety. None of the parts in this kit are stand-alone units - each component is equally crucial to the user's safety and the system's performance.
- Dedicated H-Alpha Telescope
- This 800 mm f/8.8 solar viewing refractor offers maximum resolution with its large 90 mm objective
- SolarMax 90 H-Alpha Filter
- This 90 mm 0.7 Å solar viewing filter reveals the sun as fully animated with hints of curvature.
- T-Max 90 Doppler Tuning Unit
- The T-Max 90 is used to de-tune the SolarMax filter towards the blue end of the H-Alpha line. This enhances detailed observation and imaging of solar disk shapes, surface details, prominences, granulation, and edge activities.
- BF-15 Blocking Filter
- The BF-30 is a 1.25" diagonal with a 15 mm aperture. It produces a 13.6 mm image and it must be used with a SolarMax filter. It is thermally-stable to ensure there's no drifting off the H-Alpha line during use.
- CEMAX Eyepiece Set
- The CEMAX Eyepiece Set is comprised of the CEMAX 12, 18, 25 mm eyepieces, and the CEMAX 2x Barlow lens. These Plossl-type eyepieces offer sharp optics, a compact form-factor, long eye relief, and a standard apparent field of view. The 2x Barlow lens doubles the power of the CEMAX eyepieces, and it is designed with a minimum of components to eliminate spurious light.
- Sol Ranger Finderscope
- The Sol Ranger attaches to the SolarMax telescope's clamshell mount. A pinhole on the front of the Sol Ranger allows a harmless beam of light to be projected onto an opaque glass viewer when the sun is in the main scope's FOV. The resulting image can be viewed easily from the rear of the telescope - this ensures a rapid and accurate alignment process.
| Objective Lens Diameter | 90 mm |
| Focal Length | 800 mm |
| Aperture | f/8.8 |
| Finderscope | Yes, Sol Ranger |
| Length | 30.0" / 78.2 cm |
| Weight | 23.0 lb / 10.4 kg |
Cleaning/Anti-Fog Agents
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- Original: $4.99
- Save: $0.50
- Price: $4.49
Mounts (Altazimuth)
- Price: $79.95
Books & Tutorials
- Price: $29.99
What's in the Box
- SolarMax 90 Filter
- T-Max 90 - Doppler Tuning Unit
- Blocking Filter BF-15
- CEMAX Eyepiece Set
- Sol Ranger
- Mounting Ring
- Travel Case
- Limited 5 Year Warranty
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