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Filters and telescopes for solar observation

in white light, calcium-K and H-alpha

Herschel-wedges are used for solar observing in white-light. Contrast and sharpness are much better by using a Herschel-wedge than using a front mounted solar filter. Herschel-wedges can be used for solar observing at refractor telescopes up to 150mm aperture.

34,90 € * Shipping Weight 0.5 kg
189,00 € * Shipping Weight 0.8 kg
599,00 € * Shipping Weight 1.415 kg
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