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Double stack: Every SolarMax telescope also comes with double stack. This means that two etalon filters are fitted one behind the other. This reduces the half width of the light which passes through the H-alpha line to less than 0.5 Angstroms. Without double stack, the half width is less than 0.7 Angstroms. The half width is provided in the product name and in the telescope's technical information.
The smaller half width results in higher contrast. The Sun’s structures appear three-dimensional. The image is also darker and needs to be finely readjusted using the tuning system due to the filter’s smaller half width.
BF blocking filter: The deflection optics with the eyepiece receiver also accommodate the blocking filter. This filter reduces the brightness of the solar image and is therefore a very important part of the solar telescope, and which must under no circumstances be removed! For purely visual observing, a small blocking filter is sufficient, but for photography a larger one should be selected.
Sol Ranger: Pointing a telescope at the sun is more difficult than you may think and can often involve involuntary glimpses of the sun with unprotected eyes! The Sol Ranger finder scope is a special solar finder that uses a ground glass screen. This allows you to point your telescope at the sun easily, safely and quickly.
Delivery includes a Cemax eyepiece. The eyepieces of this series are specially optimized for observation in H-alpha. The optimization applies to the remuneration. The eyepieces have no 'filtering effect' and can therefore also be used at night.
It not only matters which telescope you buy but also where you buy it. Our additional services:
| Optics | |
|---|---|
| Filter systems: | H-Alpha |
| Type: | Refractor |
| Type of build: | Solar H-Alpha |
| Aperture (mm): | 60 |
| Aperture ratio: | f/6,7 |
| Focal length (mm): | 400 |
| Max. useful magnification: | 120 x |
| Light gathering capacity: | 70 x |
| Resolving capacity: | 1,92 |
| Focuser: | Helical |
| Bandwidth: | < 0,7 |
| Blocking filter (mm): | 15 |
| Mount | |
| Type: | No mount |
| Type of build: | OTA |
| General | |
| Series: | SolarMax II |
| Weight (kg): | 2,72 |
| Included accessories | |
| Carrying bag: | Yes |
| 1.25'' eyepieces: | 25mm |
| Finderscope: | Solar finder |
| Recommended for: | |
| Intermediate: | Yes |
| Advanced: | Yes |
| Area of application | |
| Sun: | Yes |
