Skip to content
  • ✨ FREE SHIPPING ON ORDERS OVER $60 ✨
  • ✨ FREE SHIPPING ON ORDERS OVER $60 ✨
SALELONGSKIRTGSALELONGSKIRTG
  • Orion
  • Celestron
  • Primalucelab
  • Ioptron
  • Chroma
  • Login
  • Cart / $191.00 2
      • × Explore Scientific Twilight 1 Alt-Az Mount with Heavy Duty Tripod SupplyExplore Scientific Twilight 1 Alt-Az Mount with Heavy Duty Tripod Supply 1 × $92.00
      • × Coronado SolarMax II 40/ RichView Tuner Package for Double-Stacking SM40 Filter Set or Telescope OnlineCoronado SolarMax II 40/ RichView Tuner Package for Double-Stacking SM40 Filter Set or Telescope Online 1 × $99.00

      Subtotal: $191.00

      View cartCheckout

  • 2

    Cart

    • × Explore Scientific Twilight 1 Alt-Az Mount with Heavy Duty Tripod SupplyExplore Scientific Twilight 1 Alt-Az Mount with Heavy Duty Tripod Supply 1 × $92.00
    • × Coronado SolarMax II 40/ RichView Tuner Package for Double-Stacking SM40 Filter Set or Telescope OnlineCoronado SolarMax II 40/ RichView Tuner Package for Double-Stacking SM40 Filter Set or Telescope Online 1 × $99.00

    Subtotal: $191.00

    View cartCheckout

“Coronado SolarMax II 40/ RichView Tuner Package for Double-Stacking SM40 Filter Set or Telescope Online” has been added to your cart. View cart
Sale!
Home / Chroma

Chroma Red Filter – 31mm Hot on Sale

$154.99 Original price was: $154.99.$85.00Current price is: $85.00.

Browse
  • Astrozap
  • Ats
  • Avalon
  • Baader
  • Celestron
  • Chroma
  • Coronado
  • Dew Not
  • Explore Scientific
  • Field Tested Systems
  • Gerd Neumann
  • Hotech
  • Ioptron
  • Losmandy
  • Lunt Solar
  • Meade
  • Officina Stellare
  • Opt
  • Optec
  • Optolong
  • Orion
  • Pegasus Astro
  • Pentax
  • Planewave
  • Primalucelab
  • Qhy
  • Qsi
  • Revolution Imager
  • Sbig
  • Sharpstar / Askar
  • Sky Watcher
  • Software Bisque
  • Spectrum Telescopes
  • Starizona
  • Starlight Instruments
  • Starlight Xpress
  • Stellarvue
  • Takahashi
  • Uncategorized
Recently Viewed
  • Explore Scientific 9mm 120 Degree Argon Purged Waterproof Eyepiece – 2″ Sale Explore Scientific 9mm 120 Degree Argon Purged Waterproof Eyepiece – 2″ Sale $1,299.99 Original price was: $1,299.99.$85.00Current price is: $85.00.
  • Description
  • Reviews (0)

Chroma Red Filter – 31mm

Best in Class Filters

Chroma filters are widely recognized as being some of the best in astrophotography. The versatility of Chroma manufacturing is also highlighted in these filters designed for fast telescopes, separate to the standard filters they produce as well. No matter what kind of imaging you’re planning for, these American made filters are sure to satisfy any imager’s needs. 

Made in the U.S.A.

Designed and manufactured here in the U.S.A., you can be sure that these filters will be up to par with the extreme quality control required for astrophotography. On top of this, buyers here in the U.S.A. will not have to wait long at all to receive their filters–so long as they’re in stock, that is! The immense popularity of Chroma brand filters keeps the company at peak performance to maintain supply for an always increasing demand. 

Chroma Red Filters are used for recording red wavelengths in monochrome CCD/CMOS Astrophotography and tricolor imaging. Made for precise color separation, optical quality, and signal purity.

  • Parfocal for systems f/4.0 or slower
  • Transmitted wavefront better than 0.25 waves/inch
  • Parallelism: less than 30 arcsec
  • Made in the U.S.A.
  • Red Filter
  • Made in America
  • Filter sizes up to 2-inch & 50mm Square without T-thread or SCT thread come with a complimentary TPO Filter Case (OS-CF2) to keep your filter safe.

Reviews

There are no reviews yet.

Be the first to review “Chroma Red Filter – 31mm Hot on Sale” Cancel reply

Related products

Sale!
Chroma Sloan 700-850nm I-Filter – 50mm Square Supply
+
Quick View

Chroma

Chroma Sloan 700-850nm I-Filter – 50mm Square Supply

$754.99 Original price was: $754.99.$89.00Current price is: $89.00.
Sale!
Coronado Cemax 2X Barlow – 1.25″ on Sale
+
Quick View

Chroma

Coronado Cemax 2X Barlow – 1.25″ on Sale

$89.99 Original price was: $89.99.$72.00Current price is: $72.00.
Sale!
Chroma SII 3nm Narrowband Filter – 36mm Online Hot Sale
+
Quick View

Chroma

Chroma SII 3nm Narrowband Filter – 36mm Online Hot Sale

$775.00 Original price was: $775.00.$93.00Current price is: $93.00.
Sale!
Chroma SII 5nm Narrowband Filter – 65mm Square For Cheap
+
Quick View

Chroma

Chroma SII 5nm Narrowband Filter – 65mm Square For Cheap

$3,775.00 Original price was: $3,775.00.$87.00Current price is: $87.00.
Sale!
Chroma SII 3nm Narrowband Filter – 50mm Sale
+
Quick View

Chroma

Chroma SII 3nm Narrowband Filter – 50mm Sale

$1,254.99 Original price was: $1,254.99.$88.00Current price is: $88.00.
Sale!
Chroma SII 3nm Narrowband Filter – 2-Inch For Discount
+
Quick View

Chroma

Chroma SII 3nm Narrowband Filter – 2-Inch For Discount

$1,304.99 Original price was: $1,304.99.$91.00Current price is: $91.00.
Sale!
Coronado Sol Ranger Solar Finderscope on Sale
+
Quick View

Chroma

Coronado Sol Ranger Solar Finderscope on Sale

$129.99 Original price was: $129.99.$90.00Current price is: $90.00.
Sale!
Chroma Sloan 960-1045nm Y-Filter – 50mm Square on Sale
+
Quick View

Chroma

Chroma Sloan 960-1045nm Y-Filter – 50mm Square on Sale

$754.99 Original price was: $754.99.$85.00Current price is: $85.00.
Latest
  • Takahshi 1.25-Inch Eyepiece Adapter Online Sale Takahshi 1.25-Inch Eyepiece Adapter Online Sale $108.00 Original price was: $108.00.$98.00Current price is: $98.00.
  • Takahashi Wide Mount T-Ring for Nikon DX-WR Online Takahashi Wide Mount T-Ring for Nikon DX-WR Online $167.00 Original price was: $167.00.$87.00Current price is: $87.00.
  • Tele Vue 0.8X Reducer – TV102 Online Sale Tele Vue 0.8X Reducer – TV102 Online Sale $394.99 Original price was: $394.99.$99.00Current price is: $99.00.
  • Tele Vue 1 Micron Indicator Kit – 2″ Cheap Tele Vue 1 Micron Indicator Kit – 2″ Cheap $629.01 Original price was: $629.01.$95.00Current price is: $95.00.
Best Selling
  • Explore Scientific Hybrid Finder Scope Base Supply Explore Scientific Hybrid Finder Scope Base Supply $45.99 Original price was: $45.99.$41.40Current price is: $41.40.
  • PrimaLuceLab PLUS Raisers for EAGLE CORE Online Sale PrimaLuceLab PLUS Raisers for EAGLE CORE Online Sale $25.00 Original price was: $25.00.$24.00Current price is: $24.00.
  • Product Product
  • QHY 42 BSI CLASS2 COOLED – (110022) Sale QHY 42 BSI CLASS2 COOLED – (110022) Sale $9,094.99 Original price was: $9,094.99.$94.00Current price is: $94.00.
Featured
  • Orion Zero Profile Prime Focus 2-inch Adapter Online now Orion Zero Profile Prime Focus 2-inch Adapter Online now $29.99 Original price was: $29.99.$28.99Current price is: $28.99.
  • Hotech SCA Field Flattener For Sale Hotech SCA Field Flattener For Sale $175.00 Original price was: $175.00.$94.00Current price is: $94.00.
  • Takahashi Epsilon E-160ED 160mm ED Astrograph OTA For Cheap Takahashi Epsilon E-160ED 160mm ED Astrograph OTA For Cheap $4,664.99 Original price was: $4,664.99.$94.00Current price is: $94.00.
  • Takahashi Finderscope Reticle Illuminator Fashion Takahashi Finderscope Reticle Illuminator Fashion $154.99 Original price was: $154.99.$92.00Current price is: $92.00.
Top Rated
  • Explore Scientific Hybrid Finder Scope Base Supply Explore Scientific Hybrid Finder Scope Base Supply $45.99 Original price was: $45.99.$41.40Current price is: $41.40.
  • PrimaLuceLab PLUS Raisers for EAGLE CORE Online Sale PrimaLuceLab PLUS Raisers for EAGLE CORE Online Sale $25.00 Original price was: $25.00.$24.00Current price is: $24.00.
  • Product Product
  • QHY 42 BSI CLASS2 COOLED – (110022) Sale QHY 42 BSI CLASS2 COOLED – (110022) Sale $9,094.99 Original price was: $9,094.99.$94.00Current price is: $94.00.
CONTACT US

Please feel free to contact us if you have any problem.

Open Time: 8:00AM - 6:00PM

Company Info
  • Contact Us
  • My account
  • Track your order
Service Center
  • Term & Conditions
  • Returns & Refunds
  • Shipping Info
  • Privacy Policy
SIGN UP AND SAVE

Subscribe to get special offers, free giveaways, and once-in-a-lifetime deals.

    bg_image
    • Contact Us
    • My account
    • Track your order
    Copyright 2025 © Salelonrtg
    • Orion
    • Celestron
    • Primalucelab
    • Ioptron
    • Chroma
    • Login

    Register

    Don't have an account? Register one!

    Register an Account

    Login

    Lost your password?