Technical data sheet

ZWO ASI D21 Protective Filter

The ZWO ASI D21 Protective Filter is an astronomical filter designed to improve contrast, manage bandwidth, or provide optical protection, depending on the type specified in the title.

Bandwidth management

Designed to enhance the useful signal or protect the optical train, depending on the filter type.

  • Improved contrast
  • Dedicated use
  • Useful accessory
  • More effective setup

Practical compatibility

Suitable for setups and accessories of the format specified in the title.

  • Simple mounting
  • Good integration
  • Practicality
  • Targeted use

Applications

  • Astrophotography
  • Planetary
  • Deep-sky
  • Optical protection

Main technical specifications

Category Astronomical filters
Brand ZWO

Package contents

  • ZWO ASI D21 Protective Filter
Free shipping
Take advantage of free shipping throughout Italy for orders over €199.99!

ZWO ASI D21 Protective Filter

The ZWO ASI D21 Protective Filter is an astronomical filter designed to improve contrast, manage bandwidth, or provide optical protection, depending on the type specified in the title.

Bandwidth management

Designed to enhance the useful signal or protect the optical train, depending on the filter type.

  • Improved contrast
  • Dedicated use
  • Useful accessory
  • More effective setup

Practical compatibility

Suitable for setups and accessories of the format specified in the title.

  • Simple mounting
  • Good integration
  • Practicality
  • Targeted use

Applications

  • Astrophotography
  • Planetary
  • Deep-sky
  • Optical protection

Main technical specifications

Category Astronomical filters
Brand ZWO

Package contents

  • ZWO ASI D21 Protective Filter
Free shipping
Take advantage of free shipping throughout Italy for orders over €199.99!

51298

ZWO ASI protective filter D21

€19,00
€19,00
Tax included.
Hai trovato un prezzo migliore?

Incolla qui sotto il link dell'offerta che hai visto e ti facciamo sapere entro 24 ore nei giorni lavorativi.

Usiamo i tuoi dati solo per risponderti — informativa privacy.

ZWO ASI D21 Protective Filter The ZWO ASI D21 Protective Filter is an astronomical filter designed to improve contrast...  Read more

ZWO ASI D21 Protective Filter

The ZWO ASI D21 Protective Filter is an astronomical filter designed to improve contrast, manage bandwidth, or provide optical protection, depending on the type specified in the title.

Bandwidth management

Designed to enhance the useful signal or protect the optical train, depending on the filter type.

  • Improved contrast
  • Dedicated use
  • Useful accessory
  • More effective setup

Practical compatibility

Suitable for setups and accessories of the format specified in the title.

  • Simple mounting
  • Good integration
  • Practicality
  • Targeted use

Applications

  • Astrophotography
  • Planetary
  • Deep-sky
  • Optical protection

Main technical specifications

Category Astronomical filters
Brand ZWO

Package contents

  • ZWO ASI D21 Protective Filter
Free shipping
Take advantage of free shipping throughout Italy for orders over €199.99!
Free Shipping
Free shipping in Italy on orders over €199.99
24/48h delivery
If the product is available, it will be delivered within 24/48 hours.
Fast Deliveries
Fast Shipping with DHL or BRT
60-day return policy
From the date of purchase, you have 60 days to make a return.

Terms and conditions

You can return the product within 60 days of purchase. View the terms and conditions of sale.
Warranty up to 5 years
Discover how to get the 5-Year Warranty
Secure and certified payment methods

Discover these related products