Skip to content
  • ✨ FREE SHIPPING ON ORDERS OVER $60 ✨
  • ✨ FREE SHIPPING ON ORDERS OVER $60 ✨
SALELONGSKIRTGSALELONGSKIRTG
  • Orion
  • Celestron
  • Primalucelab
  • Ioptron
  • Chroma
  • Login
  • Cart / $98.00 1
      • × Celestron Ultima 8x42mm Porro Binocular Hot on SaleCelestron Ultima 8x42mm Porro Binocular Hot on Sale 1 × $98.00

      Subtotal: $98.00

      View cartCheckout

  • 1

    Cart

    • × Celestron Ultima 8x42mm Porro Binocular Hot on SaleCelestron Ultima 8x42mm Porro Binocular Hot on Sale 1 × $98.00

    Subtotal: $98.00

    View cartCheckout

“Celestron Ultima 8x42mm Porro Binocular Hot on Sale” has been added to your cart. View cart
Sale!
Home / Celestron

Chroma 2″ H-alpha 3nm Telescope Filter Sale

$1,304.99 Original price was: $1,304.99.$93.00Current price is: $93.00.

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
  • Description
  • Reviews (0)

Chroma 2″ H-alpha 3nm Telescope Filter

Please Note: The interference coatings that optical filters are made with are angle-sensitive and shift to the blue with fast focal ratios. This is not a problem for filters 5nm or wider, but the 3nm filters shift enough to compromise transmission at the wavelength line of interest. Chroma has made a set of Ha, OIII and SII 3nm that are optimized for F/3 beams by moving the center wavelength slightly into the red so they will shift slightly to the blue when used in an F/3 beam, thus maximizing transmission at the nominal wavelength. For beams faster than F/3, we recommend using 5nm-wide or wider bands.

The Chroma 2″ H-alpha 3nm Narrowband Filter is essential for imaging objects, like nebulae, that are rich in ionized hydrogen atoms. These line emission filters work extremely well in heavy light polluted areas and allow you image on nights when the moon is up. Your astrophotography experience will be forever improved.

Chroma manufactures the highest quality astronomy filters with durable, sputtered hard coating using single substrates of the best glass, eliminating the need for laminations. All primary filter coatings are applied on the front surface and anti-reflection coatings on the rear surface to prevent ghosting and to maximize transmission.

Highly precise and accurate, the passbands of these filters remain spectrally stable and do not drift in response to extreme temperature fluctuations or changes in humidity.

  • 2″ H-alpha 3nm Narrowband Filter
  • Parfocal for systems f/4.0 or slower
  • Transmitted wavefront better than 0.25 waves/inch
  • Made in America

Reviews

There are no reviews yet.

Be the first to review “Chroma 2″ H-alpha 3nm Telescope Filter Sale” Cancel reply

Related products

Sale!
Celestron UpClose G2 16 X 32 Binoculars – Roof Cheap
+
Quick View

Celestron

Celestron UpClose G2 16 X 32 Binoculars – Roof Cheap

$36.95 Original price was: $36.95.$33.30Current price is: $33.30.
Sale!
Celestron Universal T-Adapter – 1.25″ Online Sale
+
Quick View

Celestron

Celestron Universal T-Adapter – 1.25″ Online Sale

$33.95 Original price was: $33.95.$30.60Current price is: $30.60.
Sale!
Celestron X-Cel LX 3x Barlow Lens – 1.25-inch Online Sale
+
Quick View

Celestron

Celestron X-Cel LX 3x Barlow Lens – 1.25-inch Online Sale

$119.95 Original price was: $119.95.$89.00Current price is: $89.00.
Sale!
Chroma 31mm H-alpha 5nm Filter Discount
+
Quick View

Celestron

Chroma 31mm H-alpha 5nm Filter Discount

$464.99 Original price was: $464.99.$89.00Current price is: $89.00.
Sale!
Celestron Ultima 100 – 45 Degree Zoom Spotting Scope Sale
+
Quick View

Celestron

Celestron Ultima 100 – 45 Degree Zoom Spotting Scope Sale

$499.95 Original price was: $499.95.$86.00Current price is: $86.00.
Sale!
Celestron Variable Polarizing Filter – 1.25-Inch Cheap
+
Quick View

Celestron

Celestron Variable Polarizing Filter – 1.25-Inch Cheap

$39.95 Original price was: $39.95.$36.00Current price is: $36.00.
Sale!
Celestron Ultima Edge 18mm Eyepiece – 1.25″ Online Hot Sale
+
Quick View

Celestron

Celestron Ultima Edge 18mm Eyepiece – 1.25″ Online Hot Sale

$135.95 Original price was: $135.95.$89.00Current price is: $89.00.
Sale!
Celestron UpClose G2 10 X 50 Binoculars – Porro For Discount
+
Quick View

Celestron

Celestron UpClose G2 10 X 50 Binoculars – Porro For Discount

$47.95 Original price was: $47.95.$43.20Current price is: $43.20.
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
  • FLI CFW-9-5 Five Position Color Filter Wheel for 65mm Square Filters Cheap FLI CFW-9-5 Five Position Color Filter Wheel for 65mm Square Filters Cheap $1,854.99 Original price was: $1,854.99.$85.00Current price is: $85.00.
  • PrimaLuceLab ESATTO 3-inch Visual Back 2-inch Adapter Cheap PrimaLuceLab ESATTO 3-inch Visual Back 2-inch Adapter Cheap $85.00 Original price was: $85.00.$68.00Current price is: $68.00.
  • Explore Scientific Firstlight MAK100mm White Tube Maksutov Cassegrain with Twi-Nano Sale Explore Scientific Firstlight MAK100mm White Tube Maksutov Cassegrain with Twi-Nano Sale $379.99 Original price was: $379.99.$85.00Current price is: $85.00.
  • PrimaLuceLab M86x1 Adapter – ARCO 3″ For Discount PrimaLuceLab M86x1 Adapter – ARCO 3″ For Discount $69.00 Original price was: $69.00.$55.20Current price is: $55.20.
Featured
  • Takahashi CA 130 Ring Sale Takahashi CA 130 Ring Sale $79.00 Original price was: $79.00.$63.20Current price is: $63.20.
  • PrimaLuceLab EAGLE Power Cable for 5.5-2.1 8A CONNECTOR Sale PrimaLuceLab EAGLE Power Cable for 5.5-2.1 8A CONNECTOR Sale $39.00 Original price was: $39.00.$35.10Current price is: $35.10.
  • Sky-Watcher Star Adventurer Tripod Extension 8.5-inch For Sale Sky-Watcher Star Adventurer Tripod Extension 8.5-inch For Sale $39.00 Original price was: $39.00.$35.10Current price is: $35.10.
  • PrimaLuceLab EAGLE-compatible Power Cable for SBIG StarChaser – 115cm 3A For Cheap PrimaLuceLab EAGLE-compatible Power Cable for SBIG StarChaser – 115cm 3A For Cheap $89.00 Original price was: $89.00.$71.20Current price is: $71.20.
Top Rated
  • FLI CFW-9-5 Five Position Color Filter Wheel for 65mm Square Filters Cheap FLI CFW-9-5 Five Position Color Filter Wheel for 65mm Square Filters Cheap $1,854.99 Original price was: $1,854.99.$85.00Current price is: $85.00.
  • PrimaLuceLab ESATTO 3-inch Visual Back 2-inch Adapter Cheap PrimaLuceLab ESATTO 3-inch Visual Back 2-inch Adapter Cheap $85.00 Original price was: $85.00.$68.00Current price is: $68.00.
  • Explore Scientific Firstlight MAK100mm White Tube Maksutov Cassegrain with Twi-Nano Sale Explore Scientific Firstlight MAK100mm White Tube Maksutov Cassegrain with Twi-Nano Sale $379.99 Original price was: $379.99.$85.00Current price is: $85.00.
  • PrimaLuceLab M86x1 Adapter – ARCO 3″ For Discount PrimaLuceLab M86x1 Adapter – ARCO 3″ For Discount $69.00 Original price was: $69.00.$55.20Current price is: $55.20.
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?