Spectrum Telescope Glass Solar Filter: 4.25" Cell Inside Diameter # ST425G
ALL SALES FINAL. NO RETURNS OR EXCHANGES. PLEASE MEASURE YOUR TELESCOPE/LENS OUTSIDE DIAMETER VERY CAREFULLY AS EXPLAINED BELOW BEFORE ORDERING. Spectrum Telescope glass solar filter mounted in a 4.25" inside diameter cell # ST425G. 1. Selecting the Correct Solar Filter for your Telescope This solar filter is designed to be fitted on the front (sky-end) of your telescope, spotting scope, or camera lens. The filter slides over the front of the tube and is locked down in place with the included thumbscrew(s). This filter cell has an inside diameter of approx. 4.25" and has a clear filter aperture of 3.14" (80mm). It is meant to fit on tubes with an outside diameter between 3-7/8" (98mm) to 4-1/8" (105mm). This filter is known to fit the following items:
However, we very strongly recommend that you buy this filter only after measuring your tube size carefully (as explained below), even if your telescope is mentioned in the list above. To get the proper fit, measure the outside diameter very carefully by using a caliper, ruler, or tape measure. See the 4th product photo above. Measure the widest distance of the telescope tube starting from the exterior of the casing, across the center and to the exterior part of the casing on the other side. After you have your measurements, you should order a size slightly larger than what you measured. This is because your measurement is being compared with the solar filter ID (inside diameter). For instance, if you measure 4" across the outside of the tube end, you should order a 4.25" inside diameter size solar filter. This will make it just a little bigger than the measurement you took. Also, for example, If you have a 4" telescope, do not buy a 4" solar filter! Telescope aperture is not the same as telescope tube size. The telescope tube diameter will always be slightly larger than the telescope aperture. Measure it carefully before ordering to avoid disappointment and expensive returns. 2. Filter Substrate and Cell Details This full aperture glass solar filter allows only a safe amount of light to pass through your telescope, spotting scope, etc. for solar viewing or imaging. It is an ND 5 filter and therefore blocks 99.999% of the Sun's visible light. It is made from hand-selected glass that is of high quality and coated with a thoroughly inspected reflective coating. The image of the sun viewed through this glass solar filter has a yellowish-orange natural look when directly viewed through a telescope or if photographed. The glass filter is mounted in an aluminum cell that can be securely attached to the telescope tube with the included nylon thumb screw(s). This filter comes packaged in a foam-lined shipping/storage box. Instructions for storage and care are also included. 3. Warning Never look at the sun without special eye protection. When viewing the Sun, use this filter in front of your optical instrument at all times when any part of the Sun is visible. United States Note: Occasionally, the product you receive might have a slightly different cosmetic appearance or labeling than what is shown. This can often change from batch to batch according to the whims of the manufacturer. However, you will always receive a brand new, original product as described above. Description copyright: Agena AstroProducts - Reproduction without permission prohibited. A. Payment: You can pay via any payment method that eBay accepts. B. Shipping Method: United States Postal Service (USPS) or United Parcel Service (UPS) at your choice and expense (our choice if the item has free shipping option). eBay orders for items over $1,500 can only ship via UPS. C. Order Processing Time: Orders received by 12 noon Mon – Fri US Pacific Time generally ship on the same business day. Orders received after 12 noon PT or on weekends/holidays will ship by the next business day. D. Checkout: Please pay for the item(s) within 3 days from your account on eBay or by using the link in the email you receive from eBay. E. Shipping Discount: We offer combined shipping if you order multiple quantities/items and if items can be combined. eBay will automatically show you the correct combined/discounted shipping costs when you check-out. F. Combining Purchases: You can combine shipping for items purchased from us on eBay within 3 days. Buy the items individually and check out together for all items. eBay will combine the shipping weights and show you the discounted shipping cost. You must check out for all items together via eBay for this. We cannot combine shipping costs if you check out individually for your purchases. G. Sales Tax/VAT: Sales tax or VAT may be charged and collected by eBay as required by law based on your ship-to address and local tax/VAT rates. Please check with eBay. A. Delivery Time:
USPS and UPS do NOT offer any refunds for shipping/delivery delays for ANY reason (except for UPS Next Day Air service). Delays are out of our control once your order ships. B. Tracking/Delivery Confirmation:eBay will update you once your order ships. You can see the order status or tracking information/link from your eBay account at any time. C. USPS Tracking Limitations: Please note that is common for USPS tracking to show “Shipping Label Created, USPS Awaiting Item” or “Shipment Received, Package Acceptance Pending” even several days after your order ships. This does not mean that there is a problem with your order or that we have not handed over your package to USPS yet. This simply means that your package is en route without an outbound scan and tracking will not be updated until the package reaches a distribution center at your end several days later. A. Shipping Cost: Click on the "Shipping and Payments" tab above and select your country to see your shipping choices and cost. If you need a shipping cost estimate for multiple items, please contact us. B. Delivery Time: Please note that eBay’s delivery estimates shown are generally too optimistic! 1. UPS (All Shipping Methods):
2. USPS First Class International:
3. USPS Priority Mail International: Delivery takes about 2 weeks to most countries after we ship your package. This can sometimes take 3-4 weeks to several countries. The USPS provides some basic tracking information for Priority shipping. Packages are not considered lost unless 60 days have elapsed from the date of shipment. 4. USPS Express Mail International: Delivery usually takes 5-10 business days after we ship your package. Packages are not considered lost unless 30 days have elapsed from the date of shipment. Again, these delivery times are NOT guaranteed by the US Postal Service. The most common reason for delays is slow customs inspection and clearance in your country, and can be very long, even for Express mail packages. Upon shipping your order, delivery delays are beyond our control, so do not leave us negative feedback or file a claim if your package is delayed. Delays are quite common but losses are very rare, so your patience and understanding will be greatly appreciated. C. Brokerage Fees, Customs and Duties:
A. US Orders: Returns must be shipped back within 30 days. All returned items must be in brand new, resalable condition with original manufacturer’s packaging. A minimum restocking fee of 10% will be deducted if there is any evidence of use or wear, dirt, scratches, missing packaging/parts, etc. We may levy a larger restocking fee if the condition warrants it, or even refuse returns entirely if returned in heavily used/abused condition. Shipping fees are non-refundable (for items with free or discounted fixed shipping, the actual outbound S&H cost we incurred will be deducted) and you are responsible for all return shipping costs. Please contact us first before returning an item. B. International Orders: No returns/exchanges accepted unless the item we shipped is defective. Please research the product and ask us any questions BEFORE you purchase to make sure you are buying the correct item for your needs.
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