Baader Planetarium T-2 Prism Star Diagonal
Best modular upgrade for amateur astronomers seeking superior optical clarity.
This precision-engineered diagonal body delivers exceptional contrast and minimal light scatter, making it a top choice for high-magnification planetary observation. Its highly modular design allows for seamless integration into diverse telescope setups, providing a flexible solution where space and back-focus are at a premium.
$279.00
at
Agena AstroProducts
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Who it's for
- Planetary observers seeking the highest possible image contrast
- Astrophotographers and visual users needing a versatile, customizable setup
- Users with short-travel focusers or complex imaging trains
Who should skip it
- Wide-field enthusiasts using large-format eyepieces or full-frame cameras
- Budget-conscious buyers looking for an all-in-one out-of-the-box solution
- Owners of fast refractors sensitive to minor color fringing
Performance breakdown
Optical Clarity
Zeiss-spec glass delivers exceptionally sharp, high-contrast views for planetary observation.
Build Quality
Precision-machined aluminum housing offers professional-grade durability and a robust feel.
System Versatility
The T-2 thread interface allows for seamless integration with diverse setups.
Back-Focus Efficiency
Compact design solves common spacing issues in restrictive telescope configurations.
Coating Performance
BBHS silver coatings ensure maximum light transmission and long-term surface protection.
Aperture Sufficiency
34mm clear aperture effectively eliminates vignetting for most standard eyepiece pairings.
Key Specs
Optical Path Length
38.5 mm
Clear Aperture
34 mm
Weight
153 g
Material
Machined Aluminum
Coating
BBHS (Broad-Band Hard Silver) and 7-Layer Multi-Coatings
Connection Interface
T/T-2 Threads
Country of Origin
Germany
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