Baader T-2 / 90° Baader Roof-Prism with BBHS ® coating (T-2 part #02)

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Baader T-2 / 90° Baader Roof-Prism with BBHS ® coating (T-2 part #02)

# 2456130

€ 259.00 Price excl. German VAT tax (19%): € 217.65
  • T-2/90° Baader Roof-Prism. Manufactured by Zeiss standard, both sides with T-2 system threads
  • This Prism is multicoated and built in a solid metal body. T-2-thread on both sides, therefore extremely short and adaptable on every telescope-system.

Product Questions

Hello. Are the BBHS coatings easy to clean? Do the coatings have a life comparable to your dielectric coatings? Do the coatings degrade over time and at what rate? Is there a difference in performance between your dielectric diagonal and the BBHS one, what are the differences and are they significant or very slight? I own an early Televue APO 4 inch refractor.
1
Question by: John on Sep 9, 2016 1:29:00 AM | 1 Answer(s)
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Specifications

Additional Information

Manufacturer Baader Planetarium
SKU (#) 2456130
Weight (kg) 0.2090
Optical Design Erecting Prism
Inner Connection (lens sided) Thread, T-2 (M42 x 0,75)
Inner Connection (eyepiece sided) Thread, M34
Outer Connection (eyepiece sided) Thread, T-2 (M42 x 0,75)
Reflection surface Sealed BBHS coating
AR-Coating Phantom Coating® Group
Image Orientation Erect image, Non-reserved
Optical tube length (mm) 47.5
Clamping System no clamp
Deflection angle 90°
Inner Diameter / Clear Aperture (mm) 31
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