OPTOLONG Q1OIII025403Y Oxygen Narrowband Nebula Filter 25NM 1.25

( Brand: Optolong ), ( Manufacturer Part Number: Q1OIII025403Y ), ( Part Type: Filter )

Review OPTOLONG Oxygen Narrowband 25nm Nebula Filter 1.25

The Optolong Oxygen Narrowband 25nm Nebula Filter 1.25 is a must-have accessory for astrophotographers and stargazers seeking to capture the subtleties of deep-sky objects. This filter is specifically designed for use with 1.25-inch eyepieces or telescopes, making it an excellent choice for those with smaller aperture telescopes or those who prefer a more compact setup.

The Optolong Oxygen Narrowband 25nm Nebula Filter is engineered to block out light pollution and other unwanted wavelengths, allowing only the 25nm oxygen-III emission line to pass through. This results in an enhanced view of nebulae, such as the Orion Nebula, the Swan Nebula, and the Veil Nebula, among others. The filter's high transmission efficiency and narrow bandwidth ensure that the captured images are rich in detail and color, making them perfect for both visual observation and astrophotography.

The Optolong Oxygen Nebula Filter is made from high-quality optical glass, which is coated with a multi-layer optical film that provides excellent rejection of stray light and reduces internal reflections. The filter is also resistant to scratches and abrasions, ensuring that it will maintain its performance over time.

In addition to its excellent optical performance, the Optolong Oxygen Nebula Filter is also easy to use. It has a 2-inch barrel diameter, which can be attached to most telescopes using a 1.25-inch adapter (sold separately). The filter is also lightweight and compact, making it easy to transport and store.

Overall, the Optolong Oxygen Narrowband 25nm Nebula Filter 1.25 is an excellent choice for any astrophotographer or stargazer looking to enhance their deep-sky observations. Its narrow bandwidth, high transmission efficiency, and excellent optical quality make it an ideal tool for capturing the subtleties of nebulae, while its compact size and easy-to-use design make it a practical choice for those with smaller telescopes or limited space.

1. Enhances OIII emission: This filter is specifically designed to enhance OIII emission, making it ideal for observing nebulae such as the Orion Nebula and the Veil Nebula.

2. High transmission: The filter has a high transmission rate, allowing for a brighter and more detailed view of the target object.

3. Blocks other light pollution: The filter blocks out other forms of light pollution, such as H-alpha and O-III, to give a more accurate representation of the object's true color.

4. Durable: The filter is made of high-quality materials and is designed to withstand harsh weather conditions, making it a reliable investment.

1. Expensive: The filter is relatively expensive compared to other filters on the market.

2. Narrow band: The filter only allows for the observation of OIII emission, limiting the range of objects that can be observed.

3. Requires specific equipment: The filter requires specific equipment, such as a narrowband camera and telescope, to be used effectively.

If you are a serious astronomer looking to observe nebulae in greater detail, the Optolong OIII 25nm Nebula Filter 1.25 is a worthwhile investment. Its high transmission rate and ability to block out other forms of light pollution make it an ideal tool for enhancing OIII emission. However, its high price and limited range of objects that can be observed may be a deterrent for some. If you are looking for a more affordable option, there are other filters on the market that may be more suitable for your needs.

If you have the budget and are serious about observing nebulae, the Optolong OIII 25nm Nebula Filter 1.25 is a great choice. Its high quality and durability make it a reliable investment that will provide you with years of enjoyment. However, if you are on a tighter budget, you may want to consider other options that are more affordable but may not offer the same level of detail and accuracy. Ultimately, the best filter for you will depend on your specific needs and budget.

Details:

9nm and optical coating specifications multi layer anti-reflection coated. Back to top 5.

Non-cementing optical substrate coating.

They show great structural details, but have natural colors, looking like an GB image. Back to top 3.

Very high surface quality of or better us military spec mil-o.

Precision CBC-machined metal filter cell with sand blasted black anodized finish, anti-reflection treatment, and laser engraving. About Optolong o-iii 25nm filter the Optolong oxygen-iii is designed to improve visibility of various deep sky objects. Electron-beam gun evaporation with ion-assisted deposition coating technology for durability and resistance to scratching, as well stability on cowl central wave length so that there is no deviation due temperature changes during use.

Precise and homogeneous coatings ensure high values of desired pass band blocking unwanted offhand. 6 male filter thread no female thread, so it cannot be stacked with other filters.

These are not included in the item price or shipping cost. Suitable for viewing on bright nebulae like m42 Orion nebula under heavy light pollution. Spectral curve transmission characteristics 90 at major o-iii lines astronomy filter with standard m28.

Back to top Use with a large aperture telescope under clear and dark viewing conditions good seeing.

Many images of planetary nebulae and supernova remnants are taken only with h-alpha oiii filters.

Main uses and performance suitable for visual observation on most emission nebulae, planetary nebulae supernova remnants.

2mm thick Scott b270 optical glass substrate material. Na sodium at 598nm, 589.

It does this by: selectively reducing the transmission of wave lengths light pollutants, specifically those produced by artificial lighting including mercury vapor lamps, both high low pressure sodium lights, and unwanted natural caused neutral oxygen emission in our atmosphere.

Ultra-thin filter cell to minimize vignetting clear optical aperture of 26mm. Allowing 25nm band width of light centered on a wave length 500nm to pass through, which corresponds oiii emission lines.

Warning: Optolong filters are not designed for direct solar observation.

Back to top 4. Sky glow will combine the shipping weights and show you discounted cost.

High quality protective plastic storage case.

This can frequently take 4-6 weeks or more for several countries 8 Italy, Argentina, and south Africa Brazil.

This can often change from batch to according the whims of manufacturer.

part #: q1oiii025403y prices

• $185.50-$349.95

specifications telesfil:

• brand: Optolong
• mpn: Q1oiii025403y
• part type: Filter

Seller telesfil:

• # feedbacks 10-30-19: 16556
• rating 10-30-19: 100.0%
• city: Cerritos, California
• zipcode: 90703

Offer telesfil:

• best offer: false
• bids: 0
• Started: October 29, 2019, 3:23 pm
• quantity: 4
• Sold: 0

Shipping telesfil:

• handling: days
• type: Calculated

General telesfil:

• condition: New
• Telescope Parts Accessories > Telescope Filters
• in stock: Yes

Ratings:

1. Exactly as advertised, fast shipping, Thank you. 10-01-19
2. Great item! Great service! Super-speedy delivery!! Thanks!! 10-01-19
3. Excellent transaction. Fast and smooth. Thanks! 10-01-19
4. MUY CHIDO 10-01-19
5. Perfect OEM item. 10-01-19

Returns telesfil:

• policy: returns accepted
• time: 30 Days
• type: Money Back
• paid by: Buyer

Payments telesfil:

• PayPal

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