LUMICON LF3090 Night Sky Hydrogen Alpha Filter

( Brand: Lumicon ), ( Manufacturer Part Number: LF3090 ), ( Part Type: Filter )

Review LUMICON Night Sky Hydrogen alpha Filter

The LF3090 Lumicon Night Sky Hydrogen-Alpha Filter is a high-quality optical device designed specifically for astronomy enthusiasts and astrophotographers seeking to capture the subtleties of deep-sky objects, particularly those emitting hydrogen alpha (H ) light.

This filter is crafted from Schott B270 glass, a type of optical glass known for its exceptional flatness and homogeneity, which minimizes distortion and ensures sharp, detailed images. The LF3090 features a 3.0nm bandpass, a narrow range of wavelengths centered around the H emission line at 656.28nm. This narrow bandpass reduces light pollution and stray light, making it easier to observe faint H emission nebulae against the night sky.

The Lumicon Night Sky Hydrogen-Alpha Filter is coated with a multi-layer dielectric (MLD) coating, which enhances light transmission and reduces reflections. The coating also prevents the filter from fogging up or dewing during long exposure sessions, ensuring that your images remain clear and sharp.

The LF3090 is available in two thread sizes (2" and 1.25"), making it compatible with a wide range of telescopes and cameras. It is also available in different thicknesses (1.2mm and 2mm) to accommodate different optical setups and preferences.

In summary, the LF3090 Lumicon Night Sky Hydrogen-Alpha Filter is a powerful tool for astrophotographers, offering exceptional clarity, sharpness, and contrast to reveal the hidden beauty of H emission nebulae in the night sky.

1. Enhanced Image Quality: The LF3090 filter is designed to block out light pollution and allow only hydrogen-alpha light to pass through, resulting in enhanced image quality of nebulae and other celestial objects.

2. Improved Contrast: This filter improves contrast between the object and the background, making it easier to see details in the image.

3. Reduced Color Fringing: The LF3090 filter helps to reduce color fringing, which is a common problem when photographing hydrogen-alpha emission.

4. Durable and High Quality: Lumicon is known for its high-quality filters, and the LF3090 is no exception. It is made of Schott glass and coated with Multi-Layer Dielectric Coating, making it durable and long-lasting.

1. Expensive: The LF3090 filter is quite expensive compared to other filters. This may be a deterrent for some hobbyists or beginners.

2. Narrow Bandpass: The filter has a narrow bandpass, which means it only allows a specific range of hydrogen-alpha light to pass through. This may result in a loss of some details in the image.

3. Requires Calibration: The filter needs to be calibrated to the specific camera and telescope being used, which can be a complex process and may require additional equipment.

The LF3090 Lumicon Night Sky Hydrogen-Alpha Filter is a high-quality, specialized filter that can significantly improve the image quality of hydrogen-alpha emission in astrophotography. However, its high price and complex calibration process may be a deterrent for some. If you are a serious astrophotographer and want to capture the best hydrogen-alpha images, the LF3090 filter is a worthwhile investment. For beginners or those on a budget, there may be other, less expensive options available that can still provide good results.

If you are a serious astrophotographer and have the budget for it, the LF3090 Lumicon Night Sky Hydrogen-Alpha Filter is a great investment. It will significantly improve the quality of your hydrogen-alpha images. However, if you are a beginner or have a tighter budget, you may want to consider other, less expensive filter options that can still provide good results. Always do your research and consider your specific needs and capabilities before making a purchase.

Details:

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

These are not included in the item price or shipping cost.

This can sometimes take 3-4 weeks to several countries.

At wave lengths longer than 650nm, transmittance is 90 or above. The filter is used as an extreme anti light-pollution filter, and for contrast-enhancement of emission nebulae other astronomical objects bright in infrared.

Lumicon night sky hydrogen-alpha filters are long-pass with a 50 transition from blocking to passing at about 640nm.

Back to top 5. Will combine the shipping weights and show you discounted cost. This can frequently take 4-6 weeks or more for several countries 8 Italy, Argentina, and south Africa Brazil.

part #: lf3090 price

• $250.00

specifications telesfil:

• brand: Lumicon
• mpn: Lf3090
• part type: Filter

Returns telesfil:

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

Offer telesfil:

• best offer: false
• quantity: 2
• Started: September 22, 2017, 11:31 am
• Sold: 0
• bids: 0

Seller telesfil:

• city: Cerritos, California
• zipcode: 90703

Payments telesfil:

• PayPal

General telesfil:

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

Ratings:

1. fast shipment, excellent 09-22-17
2. Fit the scope as advertised. 09-22-17
3. Fast pay, great ! 09-22-17
4. thanks A 09-22-17
5. Always a pleasure doing business with this trusted seller! A 09-22-17

Shipping telesfil:

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

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