Solar Filter Fits

Can a regular telescope, fitted with the required accessories, be less expensive than a solar telescope?

I know the solar filters and light frequency attenuating devices are expensive telescope add-ons, but those dedicated solar telescopes on the market sure seem more dear. Can one buy the solar filter and special solar prominence viewing filter for an existing telescope, and expect results as good as that achieved using those dedicated Personal Solar Telescopes?

It depends on the wavelength in which you want to specialize. Ionized calcium, (the purple looking photos) can be added to small refractors for about $200.

This filter comes as a set that must be aligned and mounted to achieve maximum contrast. Notes are included on building a solar-scope with tilt tuned interference filters.

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=170175389329

The way the above filter works is there are multiple layers of transparent material built up on the glass filters. By tilting these filters to the incident beam of sunlight, you force the light to go thru thicker or thinner layers (depending on the angle of the tilt) by precisely tuning two such filters, you can effectively and cheaply remove all other wavelengths from the mix.

Hydrogen alpha wavelength is just more expensive BUT, you don't have to "roll your own." It comes complete and ready to use. The PST is actually very reasonable compared to old quartz layer filters that had to have their thickness tuned by heating the entire assembly of stacked quartz crystals

Also, there are myriad "energy reducing" solar filters that just make it safe to view the sun with any telescope. BUT, you are forced to view a mix of wavelengths that can make it difficult to see monochromatic solar flares because they are overwhelmed by the brightness of interfering wavelengths. Expect to spend $50 - $100 for a simple filter.

If you can make the frame to hold the filter on the telescope, you can reduce that cost to less than $30. Here is one of those.

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=250318814861

The above filter materrial has a natural orange color filter built in. By concentrating the orange, contrast on sunspots is greatly improved over blue (aluminzed mylar) or green (welding goggle type filters)




2nd Generation Celestron Solar Filter fits Nexstar 8SE fits many other 8 Tubes
2nd Generation Celestron Solar Filter fits Nexstar 8SE fits many other 8 Tubes

$500.00
42d 10h 13m remaining

95 241mm Helios Solar Glass Filter Fits Diameter 9 1 8 232mm to 9 3 8 238mm
95 241mm Helios Solar Glass Filter Fits Diameter 9 1 8 232mm to 9 3 8 238mm

$149.95
22d 15h 30m remaining

SolarLite Solar Filter for Telescope fits Celestron and Meade 8 S9187 Sun Sky
SolarLite Solar Filter for Telescope fits Celestron and Meade 8 S9187 Sun Sky

$112.00
6d 20h 26m remaining

2 50mm Helios Solar Glass Filter Fits Diameter 1 5 8 41mm to 1 7 8 47mm
2 50mm Helios Solar Glass Filter Fits Diameter 1 5 8 41mm to 1 7 8 47mm

$79.95
13d 10h 4m remaining

Sky Watcher 90mm Solar Filter For Front Of Telescope Fits 105mm tube NEW
Sky Watcher 90mm Solar Filter For Front Of Telescope Fits 105mm tube NEW

$19.99
22d 8h 42m remaining

225 57mmHelios Solar Glass Filter Fits Diameter of 1 7 8 48mm to 2 1 8 53mm
225 57mmHelios Solar Glass Filter Fits Diameter of 1 7 8 48mm to 2 1 8 53mm

$79.95
13d 10h 4m remaining

Telescope Solar Filter fit for Celestron 130EQ 80DX 80EQ 40mm 50 Density
Telescope Solar Filter fit for Celestron 130EQ 80DX 80EQ 40mm 50 Density

$4.52
10d 2h 16m remaining

Telescope Solar Filter Film fit for Celestron 80DX 130EQ 40mm 50 Density
Telescope Solar Filter Film fit for Celestron 80DX 130EQ 40mm 50 Density

$4.53
11d 5h 1m remaining

Celestron Solar Filter 94128 fits Edge HD 8 SCT CPC 800 C8 Newt Nexstar 8SE
Celestron Solar Filter 94128 fits Edge HD 8 SCT CPC 800 C8 Newt Nexstar 8SE

$89.99
2d 21h 47m remaining

SolarLite Solar Filter for Telescope fits Celestron and Meade 8 Schmidt Casseg
SolarLite Solar Filter for Telescope fits Celestron and Meade 8 Schmidt Casseg

$136.25
31d 14h 41m remaining

SolarLite Solar Filter for Telescope fits Celestron and Meade 8 Schmidt Cas
SolarLite Solar Filter for Telescope fits Celestron and Meade 8 Schmidt Cas

$129.46
6d 20h 30m remaining

SolarLite Solar Filter for Telescope fits Celestron Meade 8 Schmidt Cassegrain
SolarLite Solar Filter for Telescope fits Celestron Meade 8 Schmidt Cassegrain

$136.81
13d 10h 25m remaining



« Previous12


Tagged with:

Filed under: Eyepieces & Accessories