OPTOLONG Q1UH000403Y Ultra High Contrast Uhc Nebula Filter 1.25

( Brand: Optolong ), ( Manufacturer Part Number: Q1UH000403Y ), ( Part Type: Filter )

Review OPTOLONG Ultra High Contrast Uhc Nebula Filter 1.25

The Optolong Q1UH000403Y Ultra High Contrast (UHC) Nebula Filter is a must-have tool for astrophotographers and stargazers seeking to enhance their night sky viewing experience. This 1.25-inch filter is crafted with precision and care, using Optolong's proprietary technology to deliver exceptional performance.

The UHC filter is designed to block out light pollution and various oxygen emission lines, allowing only hydrogen beta and alpha, oxygen III, and nitrogen II emission lines to pass through. This results in a significantly increased contrast between the nebulae and the background sky, making even the faintest nebulae more visible.

The Optolong Q1UH000403Y UHC Nebula Filter is made of high-quality optical glass and features multi-coated layers to minimize reflection and scatter, ensuring maximum light transmission and clarity. The filter's edge is blackened to prevent stray light and vignetting, further improving image quality.

The filter is also compatible with a wide range of telescopes and eyepieces, making it a versatile addition to any astrophotography setup. Its 1.25-inch size is the standard for many telescopes, and it can be used with adapters for larger filters or other filter sizes.

In conclusion, the Optolong Q1UH000403Y Ultra High Contrast Nebula Filter is a powerful tool for enhancing your night sky viewing and astrophotography. Its ability to block out light pollution and enhance contrast makes it an essential piece of equipment for those seeking to capture the beauty of the cosmos.

1. Enhances Nebula and Deep-Sky Objects: The UHC filter specifically blocks light pollution and allows only the hydrogen-alpha, oxygen-III, and sulfur-II emission lines to pass through, thereby enhancing the visibility of nebulae and other deep-sky objects.

2. Reduces Light Pollution: The filter effectively reduces the effect of light pollution, allowing you to observe celestial objects more clearly in urban areas.

3. Wide Compatibility: The 1.25-inch size of the filter makes it compatible with a wide range of telescopes, including refractors, catadioptric, and Maksutov-Cassegrain models.

4. Durable and High-Quality: Made from optical-grade materials, the Optolong UHC filter is durable and designed to withstand extreme temperatures and environmental conditions.

5. Improves Contrast: The filter enhances the contrast between the celestial objects and the background, making them easier to observe and analyze.

1. Limited Spectral Range: The UHC filter blocks a significant portion of the visible light spectrum, which can limit the ability to observe certain objects that require different wavelengths.

2. Requires Dark Skies: While the filter helps reduce light pollution, it is still essential to observe from areas with low light pollution for optimal results.

3. Additional Cost: The filter is an additional investment, and it may not be necessary for all amateur astronomers, especially those focusing on terrestrial or planetary observations.

4. Potential for Color Shift: Some users have reported a slight color shift in the observed objects, which may affect their perceived color and brightness.

The Optolong UHC Nebula Filter 1.25 is an excellent tool for amateur astronomers interested in observing nebulae and deep-sky objects. Its ability to enhance contrast and reduce light pollution makes it a valuable addition to any telescope setup. However, it's essential to consider the limited spectral range and potential for color shift before making a purchase. Ultimately, the decision to buy the filter depends on your specific observing interests and budget.

If you are an avid observer of nebulae and deep-sky objects, the Optolong UHC Nebula Filter 1.25 is a worthwhile investment. It can significantly improve your observing experience, allowing you to see more details and enjoy the wonders of the universe. However, if you primarily focus on terrestrial or planetary observations, you may want to consider other types of filters or invest in a more versatile filter that caters to a wider range of light spectrums.

Details:

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

1nm, 577nm, and 578.

Being highly transparent to the main nebula emission lines at iii 496nm and 500nm, h-beta 486nm Ni 654nm 658nm h-alpha 656nm as well Sui 672nm. 4nm, and 616.

Precision CBC-machined metal filter cell with sand blasted black anodized finish, anti-reflection treatment, and laser engraving.

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

Uhc has a substantial red pass band and offer superb views of objects like the Orion nebula m42. 2mm thick Scott b270 optical glass substrate material.

Technical specifications both surfaces are fine optically polished, accurate to 1/4 wave length or better, and parallel within 30 seconds arc. About Optolong uhc filter the Optolong ultra high contrast broadband is designed to improve visibility of various deep sky objects.

Na sodium at 598nm, 589.

This can sometimes take 3-4 weeks to several countries will combine the shipping weights and show you discounted cost. Back to top 4.

Thus it is more suitable for urban environments where you suffer from severe light pollution.

Main uses and performance suitable for enhancing the contrast details both visual photographic purpose at urban suburban areas with heavy light pollution.

Precise and homogeneous coatings ensure high values of desired pass band blocking unwanted offhand. Very high surface quality of or better us military spec mil-o back to top 2.

9nm and this can frequently take 4-6 weeks or more for several countries 8 Italy, Argentina, south Africa Brazil. These are not included in the item price or shipping cost.

Uhc has a narrower pass band and thus provides higher contrast than Cl's city light pollution reduction filter.

Suitable for color CDC cameras and unmodified desalts.

Optical coating specifications multi layer anti-reflection coated. 6 male filter thread no female thread, so it cannot be stacked with other filters. Optolong ultra high contrast uhc nebula filter 3nm, and Sui 672nm.

Back to top 7nm, h-alpha.

Non-cementing optical substrate coating. 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.

Back to top 5.

25 astronomy filter with standard m28.

part #: q1uh000403y price

• $58.30

specifications telesfil:

• brand: Optolong
• mpn: Q1uh000403y
• part type: Filter

Ratings:

1. Excellent ! 10-24-17
2. perfect tansaction 10-24-17
3. Another very smooth purchase from Agena, highly recommended! 10-25-17
4. perfect transaction 10-24-17
5. great seller, thanks! 10-24-17

Payments telesfil:

• PayPal

Returns telesfil:

• details: Please see the Customer Service section of the listing for our return/exchange policy.
• time: 30 Days
• type: Money Back
• policy: returns accepted
• paid by: Buyer

Shipping telesfil:

• cost: $2.77
• handling: days
• type: Calculated

General telesfil:

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

Offer telesfil:

• bids: 0
• quantity: 10
• Started: October 25, 2017, 8:07 am
• best offer: false
• Sold: 0

Seller telesfil:

• city: Paramount, California
• zipcode: 90723

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