Baader Planetarium F/2 Sulfur-II High-speed Narrowband Filter, 31mm Round, Unmounted

SKU: AAFSIIHSRD31 MFR: FSIIHS-RD31
Earn VIP Reward Points

Key Features

  • Capture stunning deep sky images with this 31mm S-II narrowband filter!
  • Enhance image clarity using the Baader Planetarium filter's precise wavelength.
  • Experience maximum contrast on fast astrographs thanks to this quality filter.
  • Enjoy durable build quality for years of reliable astronomical observation.
  • Optimize light transmission at 673nm for detailed S-II deep sky views.
  • Thread this 31mm filter for easy integration with your existing setup.
See More Product Details
Special Order?Estimated to Ship: 08/14/2025
Free Shipping

See Options

1

Protect your gear with Adorama Protect.* Learn more

1 Year

$16.99

2 Year

$29.99

3 Year

$39.99

Available to U.S. customers only.

Need help? Ask our experts.

Protection
Q&A

Questions & Answers

Reviews about this item

Review Summary

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