BAADER PLANETARIUM 2459312 Astrosolar Filter Telescopes ASTF-120 120MM Aperture

( Brand: Baader Planetarium ), ( Manufacturer Part Number: 2459312 ), ( Part Type: Filter )

Review BAADER PLANETARIUM Astrosolar Filter Telescopes 120mm Aperture

The BAADER AstroSolar Filter with the model number ASTF-120 is a high-quality solar filter designed specifically for telescopes with an aperture of 120mm. This filter is an essential tool for safe and exciting solar observing, allowing you to view the sun's surface in incredible detail without the risk of eye damage.

The ASTF-120 is made from Baader Planetarium's proprietary AstroSolar film, which is renowned for its superior quality and safety. The film blocks over 99.999% of harmful solar radiation, ensuring that you can observe the sun without any concern for your eyes or equipment.

The filter has a thickness of 1.5mm, which provides excellent heat rejection and maintains the optical quality of your telescope. It also features a special anti-reflection coating on both sides, further enhancing light transmission and reducing any unwanted reflections.

The ASTF-120 is easy to use and fits most 120mm telescopes with a standard 2-inch eyepiece holder. It comes with a high-quality aluminum mounting ring with a locking mechanism to securely hold the filter in place. The filter is also easy to clean, ensuring that your observations remain clear and unobstructed.

In conclusion, the BAADER ASTF-120 AstroSolar Filter is a must-have for any serious astronomer looking to safely and securely observe the sun. Its superior quality, ease of use, and durability make it an excellent investment for your telescope.

1. Safety: The filter is designed to protect the telescope's optics while observing the sun, preventing damage from direct solar radiation and heat.

2. Wide Field of View: With a 120mm aperture, the filter provides a wide field of view, allowing you to observe the sun in greater detail.

3. High Transmission: The Baader AstroSolar filter has a high transmission rate, allowing for clear and sharp images of the sun.

4. Durable Construction: The filter is made of high-quality materials and is designed to withstand harsh weather conditions, ensuring long-term use.

5. Compatibility: The filter is compatible with most telescopes, making it a versatile option for many users.

1. Cost: The filter is relatively expensive, which may be a barrier for some potential buyers.

2. Limited Use: The filter is only useful for observing the sun, so it may not be a worthwhile investment for those who primarily use their telescope for other purposes.

3. Requires a Telescope: The filter requires a telescope to use, which is an additional cost for some potential buyers.

The Baader AstroSolar Filter (ASTF-120) is a high-quality solar filter that provides clear and sharp images of the sun while protecting the telescope's optics. The filter's wide field of view and high transmission rate make it an excellent option for those who are serious about solar observation. However, the filter's high cost and limited use may be a barrier for some potential buyers. If you are a serious solar observer and have the means to invest in a high-quality filter, the Baader AstroSolar Filter (ASTF-120) is an excellent choice.

If you are a serious solar observer and have the means to invest in a high-quality filter, the Baader AstroSolar Filter (ASTF-120) is an excellent choice. However, if you are looking for a more budget-friendly option, there are other solar filters available that may meet your needs. It's essential to research different filters and compare their features to find the one that best fits your needs and budget. Always prioritize safety when observing the sun, and make sure to use a filter that is specifically designed for solar observation.

Details:

Many ready-made filters stretch the filter material like a drum head in order to make it look piece of glass.

Back to top 5. Astf filters come with rubber plugs to be used as a cover for closing unused adjustment slots in the aluminum frame.

Ideally, astrosolar film must not be put under stress, either during mounting of the or any temperature change.

However, this absolutely destroys the image quality, rendering film useless for high magnification work.

As a result, this filter is suitable for high magnifications and detailed observation of individual sunspots.

Back to top 4.

Especially with an orange sun, it is very hard to see facile regions which are visible predominantly in the blue portion of spectrum. Astrosolar is mounted entirely stress free onto Baader filters in order to perform like a high precision plane-optical window. A safety feature to absolutely ensure secure fit in front of the telescope under virtually all circumstances.

Other films and glass filters produce a blurry bluish or reddish orange yellow solar image, thereby cutting part of the spectrum. It is also possible to further improve the stability and sharpness of solar image through use Baader continuum filter sold separately. This temperature compensated cell enables the astrosolar filter material to retain its excellent optical quality at any Nash be it 30 c or 50.

Important note: Scot users must only mount the filter to outside of tube limited depth front id prevents adequate engagement centering bolts. These are not included in the item price or shipping cost. Astf-120 solar filter specifications item number: or astrosolar film aperture: 120mm 4.

This family of solar filters is made in the most elaborate way, and its construction design superior to that astf ass line Baader. The filter comes with two sets of 3 injection molded centering-bolts length 38mm threaded brass inserts to filter-cell in front tube opening.

This can frequently take 4-6 weeks or more for several countries 8 Italy, Argentina, and south Africa Brazil. Even though it may seem counter intuitive, Baader astrosolar film must show slight ripples. Securely packed in a cardboard box with stiff inlay for safely shipping the filter instruction booklet included outside diameter clamping range 10mm bolts: 150 - 180mm 5. However, this requires a clear depth of about 20mm on the inside for adequate engagement centering bolts which many instruments like binoculars, camera lenses, and Scot Mack-cads telescopes do not have.

For this reason the astf filter features a temperature compensated cell. The performance of astro solar filter film is even more remarkable when considering its very low cost.

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

Clear white Ir-rejecting front ring with reinforcing raised edges along the outer and inner circumference, designed to protect solar filter material from contact any sharp metal edge. The film itself is cemented onto an injection molded ring, and substrate of that ring has same thermal expansion properties as astrosolar filter material. Views of granulation and facile are particularly enhanced through the use this continuum filter, in combination with astrosolar film.

Each bolt features injection molded rubber grip-faces, shaped to easily slide onto any telescope tube but hard come off.

0, cell mounted, and quality inspected by skilled members of Baader staff inside diameter clamping range with included 10mm bolts: 170 - 200mm 6. This can often change from batch to according the whims of manufacturer.

Solar filters made with astrosolar film a neutral density nd of 5.

Astrosolar safety film delivers white light views of the sun that are unmatched by any other objective solar filter or material. Will combine the shipping weights and show you discounted cost views through astrosolar display fine solar details, including penumbra detail, granulation, lighter colored facile.

These bolts come in two diameters, 10mm and 20mm outside diameter of filter cell: 210mm 8. Outside diameter clamping range with included 20mm bolts: 140 - 170mm the astrosolar filter material is mounted onto a plastic ring where itself works as stabilizing element for cell.

Includes two sets of 3 injection molded centering-bolts with threaded brass inserts to the filter-cell in front tube opening 10mm and 20mm diameter 38mm length .

Black sliding washers supplied to securely cover the full length of adjustment slots in aluminum frame Nash for blocking sunlight from passing trough filter cell beside area. Includes non-rotating sliding fasteners made from aluminum that hold the centering bolts.

Three security straps included to secure the position of filter cell with Velcro-adhesive pads. This fastening system keeps the filter snugly in place and centers. Their innovative design and construction enables each filter to fit a wide range of instruments - from high end telescopes, spotting scopes, camera lenses, even special versions binoculars.

The thermal expansion coefficient of plastic and film are similar. Index scale provided beside each adjustment slot - adjacent to sliding fastener for fast and repeatable of the filter cell onto different telescope tubes. Suited for aperture range: 110 - 130mm 4.

Bolts are made to contact the outside of optical instrument tube for most applications.

This still plastic ring is mounted onto the aluminum front frame.

part #: 2459312 price

• $116.63

specifications telesfil:

• brand: Baader Planetarium
• mpn: 2459312
• part type: Filter

Shipping telesfil:

• type: Calculated
• handling: days

Seller telesfil:

• city: Cerritos, California
• zipcode: 90703

Payments telesfil:

• PayPal

Offer telesfil:

• bids: 0
• best offer: false
• quantity: 2
• Started: September 19, 2017, 1:08 pm
• Sold: 0

Returns telesfil:

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

Ratings:

1. Not at all pleased! Threads are not right, didn't want to match up or start. 09-18-17
2. Variable filter very happy great seller thank you very much 09-18-17
3. Awesome. thanks!! 09-19-17
4. Prompt Shipment, Good Seller 09-18-17
5. Nice transaction! A 09-19-17

General telesfil:

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

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