Baader Amici Prism
Best premium diagonal for serious observers seeking upright image clarity.
This premium roof prism delivers an upright, correctly oriented image without sacrificing clarity, even at high magnifications. Its compact, T2-threaded metal housing makes it a versatile, high-performance upgrade for a wide range of telescope systems.
$343.00
at
Astroshop
More Amici Prism options
Who it's for
- Terrestrial observers and beginners who find reversed telescope views confusing
- Serious observers demanding bright, high-contrast views during low-light conditions
- Visual observers using heavy, high-end eyepieces and specialized camera gear
Who should skip it
- Critical planetary observers who require perfectly clean diffraction patterns
- Budget-conscious hobbyists looking for the most affordable viewing solution
- Minimalist backpackers or owners of very lightweight, portable telescope setups
Performance breakdown
Image Fidelity
Delivers crisp, upright, and laterally correct views for terrestrial and astronomical use.
Light Transmission
BBHS coating ensures minimal light loss for bright, high-contrast observations.
Build Quality
Robust metal housing engineered to exacting ZEISS factory standards.
System Compatibility
T2 threading offers secure, versatile connections across diverse telescope configurations.
Optical Path Efficiency
Ultra-short 47.5 mm path accommodates telescopes with limited back-focus travel.
Aperture Versatility
31 mm clear aperture provides ample field for most high-magnification eyepieces.
Key Specs
Optical Design
Amici prism
Image Orientation
Upright and laterally correct
Deflection Angle
90°
Prism Glass
BaK4
Coating
Phantom Coating Group and sealed BBHS coating
Optical Path
47.5 mm
Clear Aperture
31 mm
Telescope Side Connection
T2 female thread (M42 x 0.75)
Eyepiece Side Connection
T2 male thread (M42x0.75) and M34 female thread
Weight
0.17 kg
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