OPTOLONG OFIL-OL-UHC-2IN Ultra High Contrast Nebula Filter Sky Uhc Astrophotography

( Brand: Optolong ), ( Manufacturer Part Number: OFIL-OL-UHC-2IN ), ( Type: Filter ), ( Unit Type: Unit ), ( Size: 2.0 Inch ), ( Country Of Origin: China )

Review OPTOLONG Inch Ultra High Contrast Uhc Nebula Filter Deep Sky Astrophotography

The Optolong L-eNhance Dual Narrowband UHC (Optolong OFIL-OL-UHC-2IN) is an ultrahigh contrast nebula filter specifically designed for astrophotography. This filter is engineered to enhance the contrast and bring out fine details in emission nebulae, making it an essential tool for advanced imaging projects.

The UHC filter is composed of two narrowband glasses, each optimized for specific wavelengths. The first glass covers the hydrogen-alpha (Ha) band at 656.3nm, while the second glass covers the oxygen-III (OIII) band at 501.7nm. These narrowband glasses are made using Optolong's advanced optical technology, ensuring high transmission, low internal reflection, and excellent color fidelity.

The Optolong OFIL-OL-UHC-2IN filter has an OD (Optical Density) value of 2.7 in both Ha and OIII bands. This high OD value effectively blocks unwanted light pollution and stray light, allowing only the narrowband emissions to reach your camera sensor. This results in a significant increase in contrast, enabling you to capture the finest details of nebulae, especially the faint filaments and structures that are often hard to discern.

The filter has a flat, 2-inch (51.1mm) diameter and is made from optical-grade Schott B270 glass. Its surface is coated with a multi-layer, anti-reflection, and scratch-resistant coating to minimize light loss and ensure excellent image quality. The filter comes with a velvet pouch and a plastic case for storage and protection.

The Optolong L-eNhance Dual Narrowband UHC filter is compatible with most astrographs and CCD cameras. Its narrowband design makes it particularly suitable for deep-sky imaging projects, where the ability to isolate specific wavelengths is crucial for achieving the highest-quality results. Whether you're an experienced astrophotographer or just starting your journey into deep-sky imaging, the Optolong OFIL-OL-UHC-2IN filter is a valuable addition to your equipment arsenal.

The Optolong L-eNhance Dual Narrowband (OFIL-OFC-2inch UHC) filter is a popular choice among astrophotographers for enhancing nebula imaging, particularly in deep-sky photography. Here are some pros and cons of buying this filter:

1. Enhances Contrast: The UHC filter is specifically designed to enhance the contrast of emission nebulae, making them stand out more in astroimages.

2. Blocks Light Pollution: This filter effectively blocks light pollution, allowing you to capture more details in your deep-sky images.

3. Reduces Sky Background: By blocking unwanted wavelengths, this filter reduces the sky background, making it easier to distinguish faint details in nebulae.

4. Suitable for Both Cooled and Uncooled Cameras: The filter is suitable for both cooled and uncooled astrophotography cameras, making it a versatile option.

5. Improves Star Color: The filter also helps to bring out the true colors of stars, making your images more visually appealing.

1. Expensive: The Optolong L-eNhance UHC filter is a premium product and can be expensive for some astrophotographers.

2. Narrow Bandpass: The filter has a narrow bandpass, which may not be suitable for all types of nebulae or imaging conditions.

3. Requires Careful Handling: The filter is fragile and requires careful handling to avoid scratches or damage.

In conclusion, the Optolong L-eNhance Dual Narrowband (OFIL-OFC-2inch UHC) filter is a high-quality product that offers significant benefits for astrophotographers, such as enhanced contrast, reduced sky background, and improved star color. However, it comes with a higher price tag and may not be suitable for all types of nebulae or imaging conditions.

If you are an advanced astrophotographer looking to take your imaging to the next level, this filter is worth considering. However, if you are just starting out or have a limited budget, there may be other filters or imaging techniques that are more suitable for your needs. Ultimately, the decision to invest in this filter depends on your individual goals and resources.

Details:

Like-new condition aside from some scuffing on the box. I'm selling this to fund my micro observatory build. Any questions. Please review the pictures, which give a good idea of condition.

The filter was only mounted and unmounted a handful of times always in doors. I purchased this new in Jun 2024. Photos for detail. I'm always happy to answer.

part #: ofiloluhc2in prices

• $58.30-$100.51

specifications telesfil:

• brand: Optolong
• mpn: Ofil-ol-uhc-2in
• type: Filter
• unit type: Unit
• size: 2.0 Inch
• country of origin: China

shipping telesfil:

• type: Fixed
• class: Standard
• service: Standard
• cost: $0.00
• transit: 5-8 Days

returns telesfil:

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

seller telesfil:

• # reviews: 723
• city: Milton, Florida
• rating: 99.6%

offer telesfil:

• options: Ship-to-home
• sold: 0
• started: February 12, 2026
• quantity: 1
• availability: In Stock

general telesfil:

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

payments telesfil:

• other
• credit card: Diners-club
• wallet: Paypal

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