EXPLORE SCIENTIFIC 310235 Beta Narrowband Filter 1.25

( Brand: Explore Scientific ), ( Manufacturer Part Number: 310235 ), ( Part Type: Filter )

Review EXPLORE SCIENTIFIC Beta Narrowband Filter 1.25

The 310235 Scientific Beta Narrowband Filter 1.25 is a high-quality optical filter designed for use in astronomical telescopes. This filter is specifically designed to block out unwanted light, allowing only a narrow band of light to pass through, making it ideal for observing emission lines in celestial objects.

The filter has a transmission bandwidth of approximately 10nm, centered at 656.3nm, which corresponds to the H Alpha emission line. This makes it perfect for observing hydrogen nebulae, such as the Orion Nebula, the Great Nebula in Andromeda, and many others.

The filter is made from optical-grade Schott B270 glass, which is known for its excellent optical quality and durability. It has a thickness of 2mm and a diameter of 1.25 inches, making it compatible with most 1.25-inch eyepieces and accessories.

The filter is coated with a multi-layer dielectric coating, which is highly reflective and highly transparent in the desired wavelength range, while blocking out unwanted light. This coating is scratch-resistant and easy to clean, ensuring that the filter maintains its optical quality over time.

The 310235 Scientific Beta Narrowband Filter 1.25 is a must-have accessory for any serious astronomer looking to delve deeper into the world of deep-sky observation. Its high optical quality, narrow bandwidth, and durability make it a reliable and versatile tool for observing emission line objects in the night sky.

1. High Transmission Efficiency: The filter has a high transmission efficiency in the H-alpha wavelength, making it ideal for astronomical observations.

2. Durable Construction: The filter is made of high-quality materials, ensuring durability and long-lasting use.

3. Compatibility: It is compatible with most 1.25-inch telescopes, making it a versatile addition to your equipment.

1. Expensive: Compared to other filters, the 310235 Scientific Beta Narrowband Filter 1.25 is relatively expensive, which may be a deterrent for some buyers.

2. Limited Use: While the filter is excellent for H-alpha observations, it may not be as effective for other wavelengths, limiting its versatility.

If you are an avid astronomer who enjoys H-alpha observations, the 310235 Scientific Beta Narrowband Filter 1.25 is an excellent investment. Its high transmission efficiency and durable construction make it a reliable and long-lasting addition to your telescope equipment. However, the high price may be a concern for some buyers. If you are on a budget or prefer a filter that can be used for multiple wavelengths, you may want to consider other options.

If you are looking for a high-quality H-alpha filter and have a budget to accommodate its price, the 310235 Scientific Beta Narrowband Filter 1.25 is an excellent choice. Its performance and durability make it a worthwhile investment for serious astronomers. However, if you are looking for a more affordable option, you may want to consider other filters that offer broader wavelength coverage.

Details:

Peak transmission 94.

Those emission lines are linked to chemical elements - in this case hydrogen. This can often change from batch to according the whims of manufacturer. The Explore Scientific h-beta nebula filter blocks all other colors and thereby nearly of artificial light only emission line hydrogen can pass.

The result is astonishing: suddenly nebulae are visible at locations that were completely empty without filters.

25 hydrogen-beta narrowband filter.

Range from 478nm to 496nm with peak at 489nm.

A must for every visual observer. The Explore Scientific h-beta filter uses a characteristic property of so called emission nebulae.

One of the most important obstacles for exploration night sky is brightening by artificial lights such as streetlights.

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

Depending on the type of celestial object it is possible to increase contrast dramatically by blocking annoying artificial light.

Will combine the shipping weights and show you discounted cost.

In suburban skies for example, the horse head nebula is almost not visible with a 300mm telescope. Back to top 2.

Explore Scientific h-beta narrowband filter back to top The night sky is not really dark in vicinity of towns or cities, which reduces visibility objects beyond solar systems enormously.

Explore Scientific By using this filter you can see the nebula and its structure without problems.

Back to top 5.

Those objects glow in special colors, the so called emission lines. 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.

part #: 310235 price

• $117.12

specifications telesfil:

• brand: Explore Scientific
• mpn: 310235
• part type: Filter

Seller telesfil:

• zipcode: 90723
• rating 04-22-19: 99.9%
• city: Paramount, California
• # feedbacks 04-22-19: 16235

General telesfil:

• condition: New
• in stock: Yes
• Telescope Parts Accessories > Telescope Filters

Shipping telesfil:

• handling: days
• type: Calculated

Payments telesfil:

• PayPal

Returns telesfil:

• time: 30 Days
• policy: returns accepted
• paid by: Buyer
• type: Money Back

Offer telesfil:

• best offer: false
• Sold: 0
• Started: April 16, 2019, 2:15 pm
• quantity: 2
• bids: 0

Explore Scientific 310235 Is Similar To:

• 310205 Explore Scientific Nebula Filter (85.4% similar) Range from 483NM to 511NM with peak at 496NM. This can sometimes take 3-4 weeks to several countries. The result is astonishing: suddenly nebulae are visible at locations that were completely empty without filters. This can frequently take 4-6 weeks or more for several countries 8 Italy, Argentina, ...(February 28th, 2019)
• 310210 Explore Scientific Ultra High (68.4% similar) This can frequently take 4-6 weeks or more for several countries 8 Italy, Argentina, and south Africa Brazil. The Explore Scientific uh nebula filter blocks all other colors and thereby nearly of artificial light only emission line hydrogen oxygen can pass. This can sometimes take 3-4 weeks to ...(April 13th, 2017)
• 310215 Explore Scientific Ultra High Contrast Uhc Nebula Filter (66% similar) This can sometimes take 3-4 weeks to several countries. Those emission lines are linked to chemical elements - in this case hydrogen at 486NM and 656NM, plus oxygen 496NM 501NM. Peak transmission 96. The result is astonishing: suddenly nebulae are visible at locations that were completely empty ...(March 20th, 2019)
• 310220 Explore Scientific Cls City (67.5% similar) The result is astonishing: suddenly objects are visible at locations that were completely empty without filters. This can sometimes take 3-4 weeks to several countries. Explore Scientific 2 Cl's city light pollution reduction filter. Peak transmission 98. Streetlights and lamps shine in special ...(May 18th, 2017)
• 310230 Explore Scientific Narrowband Filter (97.7% similar) These are not included in the item price or shipping cost. Will combine the shipping weights and show you discounted cost. The night sky is not really dark in vicinity of towns or cities, which reduces visibility objects beyond solar systems enormously. Depending on the type of celestial object it ...(April 4th, 2018)
• 310240 Explore Scientific Nd 0.9 (72% similar) The ND96 filter may also be employed in splitting of close double stars where one binary pair significantly exceeds other brightness. Explore Scientific nd. This can sometimes take 3-4 weeks to several countries. Explore Scientific nd. Back to top 2CM and larger. The Explore Scientific neutral ...(March 26th, 2017)
• 310245 Explore Scientific Nd 0.9 (74.7% similar) 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. 2CM and larger. This can frequently take 4-6 weeks or more for several countries 8 Italy, Argentina, and south ...(March 25th, 2017)
• 310225 Explore Scientific Cls City Light Supression Filter (69.3% similar) By using this filter you can see the nebulae and their structure. This can often change from batch to according the whims of manufacturer. The Explore Scientific Cl's nebula filter blocks those colors and thereby increases contrast - light of celestial objects can still pass through. Depending on ...(May 17th, 2020)
• 310200 Explore Scientific Nebula Filter (82.9% similar) The result is astonishing: suddenly nebulae are visible at locations that were completely empty without filters. These are not included in the item price or shipping cost. In suburban skies for example, the veil nebula Mgc 6992 is almost not visible with a 200MM telescope. Depending on the type of ...(December 8th, 2020)