Top Rated Gear

Baader Planetarium BBHS Coated Star Diagonal Prism with 2" Clicklock Clamp, Black Housing

SKU: AA2456117 MFR: PRISM-2Z
Earn VIP Reward Points

Key Features

  • Enjoy erect images with this star diagonal prism, perfect for terrestrial viewing!
  • Features Baader's BBHS coating for maximum light transmission & image clarity.
  • Its 2" Clicklock clamp securely holds your telescope eyepieces during observation.
  • This star diagonal offers a 90-degree deflection angle for comfortable viewing.
  • Phantom Coating Group reduces reflections, enhancing contrast for detailed views.
  • A robust telescope accessory, weighing only 0.88lbs, ensuring easy portability.
See More Product Details
Special Order?Estimated to Ship: 09/07/2025
Free Shipping

See Options

1

Protect your gear with Adorama Protect.* Learn more

1 Year

$52.99

2 Year

$87.99

3 Year

$109.99

Available to U.S. customers only.

Need help? Ask our experts.

Overview
Compare
Specs
Protection
Q&A

Questions & Answers

Reviews about this item

Review Summary

2021-04-27T19:13:06

Rated 5 out of 5

Excellent

excellent optics. Easy attachment mechanism

todd s.

Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

image-protection

TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

Invest In Your Gear and Peace Of Mind!

Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, and more.

Repair or Replacement

Repair or Replacement

If we can’t fix it, we’ll replace it at no additional cost.

Accidental Damage

Accidental Damage

Protect your product from drops, spills, and more.

Peace of Mind

Peace of Mind

Enjoy your gear without fear. We have you covered!

Failure Protection

Failure Protection

When regular use of your product over time results in mechanical or electrical failure.

Zero Deductible

Zero Deductible

We will never charge you a deductible after the purchase of a plan.

Customer-Focused Support

Customer-Focused Support

Our claims process is simple & easy and our customer service team is happy to help.

Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for international or U.S. territories purchases. Plans on open box items do not cover pre-existing damage.
Adorama Protect plans are available for ABS clients. If you have any questions or require assistanse, please call 800-223-2500

Baader Planetarium Prism Specifications

  • Optical Design

    Star Diagonal Prism

  • Inner Connection (lens Sided)

    Thread, M48, M55, 2"

  • Outer Connection (lens Sided)

    Barrel, Dovetail ring, S58, 2"

  • Inner Connection (eyepiece Sided)

    Thread, Clamp, M55, 2"

  • Reflection Surface

    BBHS coated, Dielectrically protected

  • AR-coating

    Phantom Coating Group

  • Image Orientation

    Erect image, Mirror inverted

  • Optical Tube Length

    100mm (3.94")

  • Clamping System

    ClickLock

  • Deflection Angle

    90 deg.

  • Inner Diameter / Clear Aperture

    47.5mm

  • Weight

    0.4kg (0.88lbs)

  • UPC Code

    4047825033956

About Baader Planetarium Prism

FEATURED REVIEWS

Excellent

By todd s.

excellent optics. Easy attachment mechanism

• 2" BBHS prism star diagonal with 2" ClickLock terminal and black case. Provides greatest reflectance over most spectral range from 390 to 2000nm
• Much higher in brilliance than cheap dielectric coatings
• BBHS = Broadband Hardsilver coating with dielectric protective overcoating
• T-2 BBHS-Sitall zenith mirrors on both sides with T-2 Photo thread

Warranty Information

This product has a limited warranty of 24 months for parts and 24 months for labor.

Key Features

  • Enjoy erect images with this star diagonal prism, perfect for terrestrial viewing!
  • Features Baader's BBHS coating for maximum light transmission & image clarity.
  • Its 2" Clicklock clamp securely holds your telescope eyepieces during observation.
  • This star diagonal offers a 90-degree deflection angle for comfortable viewing.
  • Phantom Coating Group reduces reflections, enhancing contrast for detailed views.
  • A robust telescope accessory, weighing only 0.88lbs, ensuring easy portability.