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Celestron 93624 Narrowband Oxygen III 2 Filter

4.3 out of 5 stars 27 ratings

Price: S$151.01 + S$7.00 Delivery
International product from outside Singapore
New (4) from S$151.01 + S$7.00 delivery
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  • The 2" OIII narrowband filter isolates the two doubly-ionized oxygen lines (496 and 501 nm lines)
  • Filter has ultra-hard, vacuum-deposited coating
  • Eliminates un-natural colored halos surrounding bright stars
  • Country of Origin:China

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Product details

  • Is Discontinued By Manufacturer : No
  • Product Dimensions : 4.75 x 4.75 x 0.64 cm; 22.68 Grams
  • Date First Available : 18 February 2005
  • Manufacturer : Celestron
  • ASIN : B0007UQNWM
  • Item model number : 93624
  • Customer reviews:
    4.3 out of 5 stars 27 ratings

Frequently bought together

  • Celestron 93624 Narrowband Oxygen III 2 Filter
  • +
  • Orion 05594 2-Inch 13 Percent Transmission Moon Filter (Black)
  • +
  • Celestron 2-Inch XLT Diagonal Mirror (for SCT Telescope)
Total Price: S$675.14
Buy the selected items together

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Product description

The 2" OIII narrowband filter isolates just the two doubly-ionized oxygen lines (496 and 501 nm lines) emitted by planetary and emission nebulae, while blocking the rest of the overall spectrum of light. The result is extreme contrast between the black sky background and the faint photons of OIII light needed for detailed views of the Veil, Ring, Dumbbell, Crescent and Orion nebulae, among other objects. Each filter has an ultra hard, vacuum-deposited coating carefully designed to block all of the visual spectrum ranging from 400 to 700 nm This eliminates the un-natural colored halos surrounding bright stars common with O III filters of less sophisticated coating technology.


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Most helpful customer reviews on Amazon.com

Amazon.com: 3.2 out of 5 stars 19 reviews
JC
4.0 out of 5 stars Overall, happy with this purchase
13 April 2018 - Published on Amazon.com
Verified Purchase
2 people found this helpful
JRen
5.0 out of 5 stars Very good performance and price
20 April 2013 - Published on Amazon.com
Verified Purchase
7 people found this helpful
Kenan Jabr
4.0 out of 5 stars Great for nebula lovers AND affordable.
3 December 2014 - Published on Amazon.com
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3 people found this helpful
R. Sakala
5.0 out of 5 stars Good Product once you get a new one shipped to you.
6 August 2013 - Published on Amazon.com
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6 people found this helpful
Harry Abramson
5.0 out of 5 stars Celestron 2-inch O-III filter
9 September 2008 - Published on Amazon.com
Verified Purchase
20 people found this helpful