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One Pre-made Solar Filter Sun Film for 60/70/76/80/90/102/114/120/150mm TelescopesTo view the sunsafely you will have to have a filter with an optical density of OD 5.0, which for photographers is ND100,000. This in fact means that only 0.001% oflight is allowed through the filter. You can these days buy solar film and thenmount it onto your telescope yourself, but the film is normally fragile. If itgets a scratch, you could potentially blind yourself. Crinkled foil could wellspoil the image quality. You can buy pre-made solar filters, but theyare expensive and relatively. These pre-made solarfilters are made from Baader Astro Solar Safety Film and you can find moreinformation about this film from Internet. I was told they are one of the beston the market. With this high quality solar filter you will be able to seethe true colour of the sun and much moreIt is very easy touse these pre-made filters, just push into your telescope objective and off yougo.The saleis for one pre-made solar filter for telescopes. I have these filters fortelescopes with different objective diameter: 60mm, 70mm, 76mm, 80mm, 90mm,102mm, 114mm, 120mm and 150mm. I was told by my supplier that the filter willfit any telescope with the same objective size. I am not so sure as I amconcerned that different telescope may have different tube diameter. Thus Iwould like you to check the following information before bidding to makesure the filter will work for your telescope. As these solar filterswill work as a cap to put on your telescope objective tube, itwould be more accurate if you measure the tube diameter as differenttelescope with same nominal objective diameter may have different tubesize.The 60mm solar filter will fit a telescope with an external objective tube diameter of about 92mm.The 70mm solar filter will fit a telescope with an external objective tube diameter of about 100mm. It can also be used on a telescope with an internal tube diameter of 105mm although it is designed for external tube fitting.The 76mm solar filter will fit a telescope with an internal objective tube diameter of about 113mm. It can also be used on a telescope with an external tube diameter of 107mm although it is designed for internal tube fitting.The 80mm solar filter will fit a telescope with an external objective tube diameter of about 100.5mm. It can also be used on a telescope with an internal tube diameter of 105mm although it is designed for external tube fitting.The 90mm solar filter will fit a telescope with an internal objective tube diameter of about 109mm. It can also be used on a telescope with an external tube diameter of about 104mm although it is designed for internal tube fitting.The 102mm 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 106mm although it is designed for internal tube fitting (the second picture showing one filter from back and hopefully you will see what I mean by internal and external fitting.).The 114mm solar filter will fit a telescope with an internal objective tube diameter of about 130mm. It can also be used on a telescope with an external tube diameter of about 124mm although it is designed for internal tube fitting. The 120mm solar filter will fit a telescope with an internal objective tube diameter of about 140mm. It can also be used on a telescope with an external tube diameter of 132mm although it is designed for internal tube fitting. The 150mm solar filter will fit a telescope with an internal objective tube diameter of about 174mm. It can also be used on a telescope with an external tube diameter of 170mm although it is designed for external tube fitting.
Summary of the different internal and external tube fitting size
Solar filter sun film size
To fit internal objective tube diameter (mm)
To fit external objective tube diameter (mm)
60mm
—
92
70mm105
100
76mm113
107
80mm105
100.5
90mm109
104
102mm112
106
114mm130
124
120mm140
132
150mm174
170
Please measure yourtelescope objective diameters and let me know what size you need with yourpayment and I will make sure to send you the right product.
QUALITY PROMISE
If you are not happy with the item for whatever reason, please return it to me with original package within 1 month and you will get a FULL refund.
DELIVERY
The item will be posted by Royal Mail 1st service the same day your payment is received if possible. Otherwise, it will be posted the next day. Please note that all payment received during weekend will be posted the following Monday. Intentional Buyers please see postage details.
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Category: Cameras and Photography:Telescopes and Binoculars:Telescope Parts and Accessories:Filters
Location: Guildford