PET-coated Adjustable Solar Filter Film for Astronomical Telescope Sun Observing

Feature:

New generation, double-sided bright silver coating

This solar film is actually a new type solar filter, it is different from a traditional solar filter(Baader film), you can understand it as "PET-coated aluminum foil film"

The main difference from the traditional Baader film is that the sun looks red via this filter, while via traditional Bard film looks like gray sun.

At the same time, the solar film is not easy to be damaged, and it is suitable for long-term use in natural environments, especially when taking pictures, without fear of wind and rain.

Specification:

44-70mm:

Cover Inner Diameter: 70mm

Outer Cover Diameter: 76mm

Border Material: Aluminum Metal

Film Material: PET+Aluminum Foil Coating

Can Be Fixed Diameter: 44-70mm

Through Aperture: 60mm

64-90mm

Cover Inner Diameter: 90mm

Outer Cover Diameter: 96mm

Border Material: Aluminum Metal

Film Material: PET+Aluminum Foil Coating

Can Be Fixed Diameter: 64-90mm

Through Aperture: 72mm

124-150mm

Cover Inner Diameter: 150mm

Outer Cover Diameter: 156mm

Border Material: Aluminum Metal

Film Material: PET+Aluminum Foil Coating

Can Be Fixed Diameter: 124-150mm

Through Aperture: 132mm

Tips:

This filter is installed outside the hood at the front of the telescope, so please make sure the outer size of your hood, not the clear aperture or model of the telescope. Usually, The clear aperture of the telescope echoes the model name (like as 60AZ means the clear aperture is 60mm), but smaller than the size of the outer hood.

Please carefully read the parameters of the product.

Warning:

Astronomical telescopes must be equipped with solar filters to observe the sun. Otherwise it will damage the eyes and the instrument.

If the product film is damaged, do not use it to prevent eye damage.

Package Include:

1 x Composite Solar Filter