Description
The finetuning of Etalon filters is based on a newly developed pressure system . By increasing the pressure inside the filter you can set the wavelength to exactly 656.28nm, thus being able to capture even the most delicate details : enjoy the three-dimensional filaments in magnificent contrast.
Payment and security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
SCEGLI IL METODO DI PAGAMENTO RATEALE CHE PREFERISCI
