90EQ Solar Filter Sun Film Membrane 5.0 Astronomical Telescope Len Cap hotest For Sale
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90EQ Solar Filter Sun Film Membrane 5.0 Astronomical Telescope Len Cap hotest:
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Hot Sell 90EQ Solar Filter Sun Film Membrane 5.0 Astronomical Telescope Len Cap
Please Measure Your Telescope Objective Diameters:
- As these solar filters will work as a cap to put on your telescope objective tube, it would be more accurate if you measure the tube diameter as different telescope with same nominal objective diameter may have different tube size.
- The 90mm solar filter will fit a telescope with an internal objective tube diameter of about 112mm. It can also be used on a telescope with an external tube diameter of about 102mm although it is designed for internal tube fitting.
- Brand new and high quality
- The Solar Filter is for telescopes dew tube front end diameter 90mm
- Safely observing the sun without damaging your eyes
- Product Type: Bard film
- Applicable models: 90mm caliber Universal
- Optical density: 5.0 Aperture of the telescope
- Outside diameter: 111mm
- Inside diameter: 103m
- Material: Plastic
- Main performance: observation of sunspots, solar eclipse and other astronomical scene
- Don't use cracked solar filter
- Don't use bad quality solar filter
- Don't look directly at the sun
- Never look at the Sun, either directly or through a telescope, without a professionally made protective solar filter installed that completely covers the front of the instrument, or permanent eye damage could result.
Svbony focus on telescope and optical accessories. Aim to supply the high quality products and best service to customers. Main items are including Telescope, Monocular, Binocular, Spotting scope, filter, eyepiece and other accessories. We hope that you could enjoy a much more clorful life by using our products.
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On Mar-25-20 at 19:11:17 PDT, seller added the following information: