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![Bresser 2\" 90 diagonal](images/150_zlaczka_katowa_2in_90_bresser.jpg "Bresser 2\\" 90 diagonal") Shop online:
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Angle mirror 2 "(90 degrees):
• an excellent alternative to much more expensive accessories of this type
• the optical element is made of BK7 glass and has been covered with an aluminum coating for a high value of reflectivity.
• additional, protective layers of SiO2, with appropriately selected thickness (1/10 of the wavelength) provide a system reflectance of 92%
• using the clamping ring to prevent damage to the glasses by securely attaching the eyepiece to the cap
• optical construction: mirror cap
• Casting diameter: 50.8 mm
• angle of observation: 90 °
• optical coatings on the prisms: Al + SiO2
• weight: 0.68 kg
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