OPTOLONG Extreme Dual Narrowband Filter Alpha 971991897020 7NM

( Brand: Optolong ), ( Part Type: Filter ), ( UPC: 971991897020 )

Review OPTOLONG L extreme 7nm Dual Narrowband Filter H alpha And O iii Inch

The Optolong L-eNhance Dual Narrowband Filter L-eXtreme 7nm H-alpha O-III is a high-quality filter designed for astrophotography enthusiasts and professionals. This filter is specifically engineered to isolate and enhance the H-alpha and O-III emission lines, allowing for stunning images of nebulae, planets, and other celestial objects.

The L-eXtreme 7nm filter features a narrow bandwidth of 7 nanometers, which provides an excellent balance between transmission and rejection of unwanted light. This narrow bandwidth ensures that the filter only allows specific wavelengths of light to pass through, resulting in a high contrast image with intense colors. The filter is made using Optolong's proprietary NanoCoating technology, which provides an extremely low level of light pollution and airglow rejection, ensuring that your images are as clear and detailed as possible.

The L-eXtreme H-alpha O-III filter is compatible with a wide range of telescopes and cameras, making it an excellent investment for any astrophotographer. The filter is also coated with an anti-reflection layer, which minimizes internal reflections and increases the overall transmission of the filter. This results in a higher signal-to-noise ratio and allows for longer exposure times, resulting in brighter and more detailed images.

In addition to its excellent optical performance, the L-eXtreme 7nm H-alpha O-III filter is also built to last. The filter is made of high-quality optical glass and is coated with a scratch-resistant layer, ensuring that it can withstand the rigors of regular use. The filter also comes with a protective case, which helps to keep it clean and free of dust and debris.

Overall, the Optolong L-eNhance Dual Narrowband Filter L-eXtreme 7nm H-alpha O-III is an excellent choice for any astrophotographer looking to capture stunning images of nebulae, planets, and other celestial objects. Its narrow bandwidth, excellent light pollution and airglow rejection, and scratch-resistant coating make it a reliable and durable investment for any astrophotographer.

1. High Transmission: The filter has a high transmission rate for H-alpha and O-III lines, which allows for better image quality and detail in astrophotography.

2. Narrow Bandwidth: The 7nm bandwidth reduces the amount of light pollution and increases contrast, making it easier to see faint objects in the sky.

3. Durable: The filter is made of optical glass and has a multi-coated surface, which makes it durable and resistant to scratches and damage.

4. Compatible: The filter is compatible with a wide range of telescopes and cameras, making it a versatile option for astrophotographers.

1. Expensive: The filter is relatively expensive compared to other narrowband filters on the market, which may not be within everyone's budget.

2. Requires Calibration: The filter requires calibration to ensure accurate color balance, which may require additional equipment and time.

3. Limited Use: The filter is only useful for astrophotography and may not be suitable for other photographic applications.

The Optolong L-Extreme 7nm Dual Narrowband Filter (H-alpha O-iii) is a high-quality filter that provides excellent transmission and contrast for astrophotography. Its narrow bandwidth reduces light pollution and increases detail, making it an excellent option for photographing faint objects in the sky. However, its high cost and requirement for calibration may make it a less attractive option for some astrophotographers.

If you are serious about astrophotography and are looking for a high-quality narrowband filter, the Optolong L-Extreme 7nm Dual Narrowband Filter (H-alpha O-iii) is a recommended option. However, if you are on a tight budget, you may want to consider other narrowband filters with a wider bandwidth and lower cost.

Details:

This reduction in light pollution maximizes the nebula's signal and makes sky background darker while imaging. Item model number: 139. Coating: Multi. Optolong L-Extreme 7nm Dual Narrowband Filter H-Alpha and O-III 2: : The L-eXtreme is a dual-band pass filter which can be used within-shot color cameras like Desalts CCD/CMOS .

Product Dimensions: 2 L x W.: Brand: Optolong. The L-eXtreme isolates the H-Alpha and Oxygen III nebula emission lines so that contrast signal-to-noise ratio of the nebulae are maximized. The advantage of the L-eXtreme filter is that there no light transmission between the-beta and OIII lines as are nebula emission.

Use for taking images of emission nebulae. Manufacturer: Optolong. The convenience and cost effectiveness of this filter allows amateurs to image emission nebulae even in bright, light polluted or moonlit skies.

Photo Filter Effect Type: Enhancing. Allows for imaging in bright man-made light pollution and moonlit conditions. It is also more suited for fast systems. Take color images without needing to combine with multiple filters.

Features: Dual H-Alpha/O-III 7nm narrowband filter. Most useful for One-Shot Color cameras. Photo Filter Thread Size: 51 Centimeters.

Product Dimensions: 2.95 x 2.76 0.79 inches. Unlike the L-enhance filter, which is a Teri-band transmits HBO, Ha, and OIII, L-eXtreme filter dual-band, passing just Ha OIII emission lines in order to deliver improved light pollution rejection. Water Resistance Level: Not Resistant. Note: For imaging galaxies and reflection nebulae, the Optolong L-Pro filter is more appropriate as this will reject much of the light from those objects.

specifications telesfil:

• brand: Optolong
• part type: Filter
• upc: 971991897020

offer telesfil:

• availability: In Stock
• options: Ship-to-home
• started: August 15, 2023
• quantity: 4
• sold: 0

general telesfil:

• condition: New
• Binoculars Telescopes > Telescope Parts Accessories > Telescope Filters

seller telesfil:

• detailed rating: Accuracy: 4.9/5, Charges: 5/5, Speed: 4.96/5, Communication: 4.93/5
• city: US,
• # feedbacks: 24271
• rating: 98.2%

ratings:

1. Na 07-01-23
2. first time purchasing with seller and will definitely add to saved list. 07-01-23
3. The tablet works great can't wait to draw some doodles on it 07-01-23
4. Thank you 07-01-23
5. Just what I needed to complete my collection 07-01-23

shipping telesfil:

• type: Fixed
• class: Standard
• service: Standard
• cost: $0.00
• transit: 4-9 Days

returns telesfil:

• time: 30 Days
• policy: Returns Accepted
• method: Money back
• paid by: Seller

payments telesfil:

• credit card: Visa
• wallet: Apple-pay

Optolong 971991897020 Is Similar To:

• Ol-ms-2in Optolong Moon Skyglow Light Pollution Reduction Filter (31.3% similar) Back to top will combine the shipping weights and show you discounted cost. This can often change from batch to according the whims of manufacturer. This can sometimes take 3-4 weeks to several countries. About Optolong moon and sky glow filter is designed to darken the background sky by blocking ...(February 4th, 2019)
• Q1cf000403y Optolong Clear Focusing Imaging Filter For Astrophotography (32.5% similar) Shipping Cronus only. En products astronomy-filters other-photo-filter 341-OTHER-PHOTO-FILTER-CLEAR-FOCUSING. Manufacturers...(May 30th, 2018)
• Q1cl000403y-02 Optolong Altair Astro Rebrand Light Pollution Reduction Filter (30% similar) ALTAIR-PREMIUM-2-CLS-CCD-FILTER-UVIR-BLOCK-AR-COATING. Shipping Cronus only. Manufacturers...(May 30th, 2018)
• Q1ha012403y Optolong Hydrogen Alpha Narrowband (38.8% similar) Warning: Optolong filters are not designed for direct solar observation. Hubble look of images can be made by the combination h-alpha, iii-CDC and Sui-CDC images, such as famous pillars creation M16 eagle nebula. Technical specifications both surfaces are fine optically polished, accurate to 1/4 ...(March 23rd, 2017)
• Q1ha012404y Optolong Hydrogen Alpha Narrowband (38.8% similar) 4NM, and 2MM thick Scott B270 optical glass substrate material. These are not included in the item price or shipping cost. High quality protective plastic storage case. Na sodium at 598NM, 589. Warning: Optolong filters are not designed for direct solar observation. Electron-beam gun evaporation ...(March 23rd, 2017)
• Q1hb012403y Optolong Hydrogen Beta Narrowband (39.1% similar) This can frequently take 4-6 weeks or more for several countries 8 Italy, Argentina, and south Africa Brazil. Very high surface quality of or better us military spec mil-o 2MM thick Scott B270 optical glass substrate material. Allowing 12NM band width of light centered on a wave length 486NM to ...(March 22nd, 2017)
• Q1hb012404y Optolong Hydrogen Beta Narrowband (39.1% similar) About Optolong h-beta 12NM filter the Optolong hydrogen-beta narrowband is designed to improve visibility of various deep sky objects. Non-cementing optical substrate coating. Warning: Optolong filters are not designed for direct solar observation. Technical specifications both surfaces are fine ...(March 12th, 2017)
• Q1ll000403y Optolong Uv Ir Cut Filter (33.3% similar) Warning: Optolong filters are not designed for direct solar observation. This can frequently take 4-6 weeks or more for several countries 8 Italy, Argentina, and south Africa Brazil. This can sometimes take 3-4 weeks to several countries. Technical specifications both surfaces are fine optically ...(June 29th, 2018)
• Q1lx000404y Optolong Lrgb Imaging Filter (34.1% similar) This can frequently take 4-6 weeks or more for several countries 8 Italy, Argentina, and south Africa Brazil. Precise and homogeneous coatings ensure high values of desired pass band blocking unwanted offhand. About Optolong rugby filter set the Optolong is designed for maximum contrast and with ...(October 30th, 2017)
• Q1mu000403y Optolong Moon Skyglow Light Pollution Reduction Filter (30.9% similar) Shipping Cronus only. Manufacturers. En products astronomy-filters band pass-photo-filter 340-OTHER-PHOTO-FILTER-MOON-SKY-GLOW...(May 31st, 2018)
• Q1mu000404y Optolong Moon Skyglow Light Pollution Reduction Filter (30.9% similar) Optical coating specifications multi layer anti-reflection coated. This can frequently take 4-6 weeks or more for several countries 8 Italy, Argentina, and south Africa Brazil. About Optolong moon and sky glow filter is designed to darken the background sky by blocking light transmission from 589NM ...(May 18th, 2018)