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diagonals & adapters

Baader T-2/90° Roof-Prism with BBHS ® coating (T-2 part #02) - AMICI-DX1

Baader Planetarium   ——   SKU: BAA-AMICI-DX1
$401.00 CAD
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Baader T-2/90° Amici-Roof-Prism with BBHS ® coating

  • 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.

This T-2/90° Baader Roof-Prism with BBHS® coating is a 90° fold Star Diagonal for general purpose telescope use. It is made to the highest quality standards with Zeiss glass. It is an Erecting-style, Roof Prism optical design, and the prism is multicoated on both sides.

BBHS® reflection coatings on this T-2/90° Baader Roof-Prism predominantly are being utilised on our highest quality grade 2" BBHS® Sitall Stardiagonals (#2456115 – incl. black housing and 2" ClickLock clamp) as well as on the BBHS® T-2 Sitall Stardiagonal (#2456103) - where the housing features a male and female T-2 thread - for shortening the optical path with bino use, and to offer the utmost in adaptation variability as well as much more light throughput than with any conventional 1 1/4" star diagonal.

BBHS® stands for Broad Band Hard Silver. When applied onto our Sitall (zero expansion glass-ceramics) substrates, these multiple deposited layers of hard silver are being sealed by a set of dielectric layers to achieve long term durability. With this advance in coating technology our BBHS® coating lifetime equals that of a high quality AlSiO2 coating, matching the durability of standard aluminium coated diagonals (and telescope mirrors) which have been in wide use for many years. The BBHS® spectral bandpass is much wider than that of aluminum and therefore, light transmission is improved.

MANUFACTURER Baader Planetarium
SKU (#) 2456130
WEIGHT (KG) 0.209
OPTICAL DESIGN Erecting Prism
INNER CONNECTION (LENS SIDED) Thread, T-2 (M42 x 0,75)
INNER CONNECTION (EYEPIECE/-CAMERA-SIDED) Thread, M34
OUTER CONNECTION (EYEPIECE/-CAMERA-SIDED) Thread, T-2 (M42 x 0,75)
REFLECTION SURFACE Sealed BBHS coating
AR-COATING Phantom Coating® Group
IMAGE ORIENTATION Erect image, Non-reversed
OPTICAL TUBE LENGTH 47.5
CLAMPING SYSTEM no clamp
DEFLECTION ANGLE 90°
INNER DIAMETER / CLEAR APERTURE (MM) 31
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