Baader Planetarium 2456005 T-2 Prism Diagonal 90° with BBHS Coating

The Baader Planetarium 2456005 is a high-quality prism diagonal designed for visual observation and astrophotography. Featuring a 90° angle and BBHS® (Broad-Band Hard Silver) coating, it ensures >99% light transmission and diffraction-limited optical quality. Part of the modular Baader T-2 system, it offers versatile connectivity with T-2 (M42x0.75) threads.

Advantages

Exceptional light transmission and contrast due to BBHS coating. Compact and lightweight design with a clear aperture of 28 mm. Erect, mirror-reversed image orientation ideal for astronomical use. Modular T-2 system allows easy integration with various accessories.

Suitable for

• Visual observation of celestial objects
• Astrophotography with telescopes
• Use with Baader T-2 system components

Key specifications

• Diagonal Type: Prism Diagonal
• Angle: 90°
• Coating: BBHS® (Broad-Band Hard Silver)
• Input Thread: T-2 (M42x0.75) Female
• Output Thread: T-2 (M42x0.75) Male
• Clear Aperture: 28 mm
• Optical Path Length: 57 mm
• Prism Material: High-quality optical glass
• Housing Material: Black Anodized Aluminum
• Light Transmission: >99%
• Image Orientation: Erect, Mirror-Reversed
• System Compatibility: Baader T-2 System
• Optical Quality: Diffraction-limited
• Modular Design: Yes
• Application: Visual observation, Astrophotography

Recommendations

For optimal performance, pair with Baader T-2 eyepieces and accessories. Ensure proper thread alignment to avoid cross-threading.