ORION 5584 Hydrogen Beta Nebula Eyepiece Filter 2-INCH

( Brand: Orion ), ( Manufacturer Part Number: 5584 ), ( Part Type: Filter ), ( Country/region Of Manufacture: Korea, Republic Of ), ( Size: Inches )

Review ORION 2-inch Hydrogen beta Nebula Eyepiece Filter

Use with a moderate to large aperture telescope under clear, dark viewing conditions. It blocks everything but the hydrogen-beta light these faint nebula's emit, providing contrast needed for viewing. 1 NM in a 12nm band-pass and blocking other wave length s, it effectively blackens the background sky, allowing faint nebula to become clearly defined. 25 and 2 eyepieces diagonals.

Best used with a moderate to large aperture telescopes under clear, dark skies good seeing conditions. Threaded to fit Allows you to observe celestial targets that are considered trophies of visual astronomy.

By isolating the hydrogen-beta spectral line centered at Orion hydrogen beta filter threaded to fit 2 eyepieces and telescope diagonal barrels. Selective band-pass eyepiece filter transmits only the hydrogen-beta wave length of light these faint nebula's emit. It increases contrast even under dark skies so you can visually capture these prized targets.

specifications telesfil:

• brand: Orion
• mpn: 5584
• part type: Filter
• country/region of manufacture: Korea, Republic Of
• size: Inches

Ratings:

1. Item arrived as described, Thank you 01-19-18
2. Really fast shipping. 01-23-18
3. Excellent Seller 01-23-18
4. Great price. Well packed and fast shipment. A satisfied buyer. 01-25-18
5. thanks! 01-18-18

General telesfil:

• condition: New
• in stock: Yes
• sky viewing > telescope filters

Seller telesfil:

• zipcode: 98107
• city: Seattle, Washington

Payments telesfil:

• PayPal

Returns telesfil:

• policy: no returns

Offer telesfil:

• best offer: false
• Started: January 26, 2018, 10:53 am
• bids: 0
• quantity: 2
• Sold: 0

Shipping telesfil:

• handling: 2 days
• cost: $3.75
• type: Calculated

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