OPTOLONG 8221 Ultimate Dual Bandpass Light Pollution Imaging 971991897037 Reduction Fil

( Brand: Optolong ), ( Part Type: Light ), ( UPC: 971991897037 )

Review OPTOLONG #8221 L ultimate Inch Dual Bandpass Light Pollution Reduction Imaging Fil

The Optolong L-eNhance Dual Narrowband Filter, model 8221 L-Ultimate, is a premium tool designed for astrophotography enthusiasts seeking to significantly reduce light pollution and enhance their deep-sky imaging results. This filter is a dual-bandpass solution, covering the H-alpha and OIII emission lines, providing exceptional performance in capturing nebulae and other celestial objects.

The Optolong 8221 L-Ultimate is crafted with high-quality Schott glass, offering an exceptional optical transmission of up to 95% for both H-alpha and OIII spectral bands. This ensures that the maximum amount of desired wavelengths reaches your camera sensor, significantly improving the signal-to-noise ratio and image contrast.

The filter's dual-bandpass design ensures that it effectively blocks unwanted light pollution, including light pollution from streetlights and city lights, as well as airglow and moonlight. This results in a darker and more detailed sky background, allowing the true beauty of deep-sky objects to shine through.

The Optolong 8221 L-Ultimate features a 2" diameter thread, making it universally compatible with most telescopes and camera systems. Its slim design also ensures minimal vignetting, ensuring that your images are uniform and free of distortion.

The filter is coated with Optolong's proprietary NanoCoating, a multi-layer absorption coating that provides excellent scratch resistance, durability, and low reflection. This ensures that your investment in the 8221 L-Ultimate will last for many years to come.

In summary, the Optolong 8221 L-Ultimate Dual Narrowband Filter is an excellent choice for astrophotographers seeking to enhance their deep-sky imaging results by reducing light pollution and improving contrast. Its high-quality materials, dual-bandpass design, and durable NanoCoating make it a reliable and long-lasting investment for your telescope and camera system.

1. Enhanced Deep-Sky Imaging: This filter is designed to reduce light pollution, allowing you to capture clearer and more detailed images of deep-sky objects.

2. Wide Bandwidth: The Optolong L-Ultimate filter has a wide bandwidth, which means it allows a wider range of light to pass through, resulting in brighter and more colorful images.

3. Dual Bandpass Design: The filter is designed to block out both H-alpha and OIII emission lines, reducing the interference of nebulae and emission stars, resulting in more accurate and true-to-life images.

4. Durable and Easy to Use: The filter is made of high-quality Schott glass and has a multi-coated anti-reflection coating, making it durable and easy to use.

1. High Price: The Optolong L-Ultimate filter is quite expensive, which may be a deterrent for some enthusiasts with a limited budget.

2. May Require Adjustments: Depending on the specific telescope and camera setup, the filter may require some adjustments to ensure optimal performance.

3. Reduced Light Sensitivity: While the filter improves image quality, it may slightly reduce the light sensitivity of the camera, resulting in slightly longer exposure times.

In conclusion, the Optolong L-Ultimate Dual Bandpass Filter is an excellent investment for astrophotographers looking to improve their deep-sky imaging. The wide bandwidth and dual bandpass design allow for brighter and more colorful images, while the durable construction ensures long-term use. However, the high price and potential need for adjustments may be a consideration for some. If you have the budget and are serious about astrophotography, the Optolong L-Ultimate filter is an excellent choice. If you are on a tight budget or are just starting out, there are other filters available that may be more suitable.

Details:

It blocks light pollution, maximizes the signal from nebulae, and darkens the sky background. Photo Filter Thread Size: 48 Millimeters. Water Resistance Level: Not Resistant.

Therefore, the sky background of image is darker, and contrast between nebulae signal-to-noise ratio are improved to greatest extent. Maximizes the transmission of main emission lines the nebula in Ollie 496nm and 500nm H-alpha 656nm. Photo Filter Effect Type: Enhancing. Package Dimensions: 2.95 x 2.87 0.87 inches.

Coating: Multi. It also blocks artificial light from mercury vapor lamps, high and low pressure sodium lights, and unwanted natural light caused by the emission of neutral oxygen in our atmosphere. In heavy light pollution areas, the product can also selectively filter and clutter signals through emission lines of nebulae, finally avoid impact on .

Manufacturer: OPTOLONG.: Brand: Optolong. Advantage: 1.The advantage of L-Ultimate is that it only passes through the emission lines Ollie 500.7nm and Ha 656.3nm, in which case all other light pollution are eliminated so reflection signals nebula captured during imaging.

Product Dimensions: 2 L x W. Used with DSL,color/MONO CMOS and CCD, however, this filter is not suitable for fast ratio systems. Optolong L-Ultimate 2 Dual Bandpass Light Pollution Reduction Imaging Filter:: Introduction Its about a 3nn dual band designed to drastically reduce the effect of light pollution, the 3nm isolates nebulae emissions into-Alpha red and Loll green-blue. Features: Difference: It is different from the series of dual-narrow band enhance and L-extreme in that L-Ultimate a dual-3nm band width filter only passes through Ha Loll emission lines.

part #: 971991897037 prices

• $274.54-$493.74

specifications telesfil:

• brand: Optolong
• part type: Light
• upc: 971991897037

returns telesfil:

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

ratings:

1. When will this order be shipped out? Needing it for my daughter school found 1 exactly the same but price was cheaper. 07-01-23
2. nice pump 07-01-23
3. A 07-01-23
4. Great job 07-01-23
5. Thank you 07-01-23

offer telesfil:

• quantity: 4
• started: August 14, 2023
• availability: In Stock
• sold: 0
• options: Ship-to-home

seller telesfil:

• detailed rating: Communication: 4.93/5, Accuracy: 4.9/5, Charges: 5/5, Speed: 4.96/5
• rating: 98.2%
• city: US,
• # feedbacks: 24268

payments telesfil:

• wallet: Paypal
• credit card: Mastercard

general telesfil:

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

shipping telesfil:

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

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