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Meade Herschel Solar Wedge for Refractor Telescopes - 608010

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SKU: MEA-608010

Meade 2" Herschel Solar Wedge
for White Light Solar Viewing with Refractor Telescopes

The Meade Herschel Wedge is designed to be used with refractor telescopes up to 152mm. A Herschel Wedge takes the place of your standard diagonal and is therefore mounted on the back end of the telescope, unlike front-mounted white light solar filters. A Herschel Solar Wedge produces white light views of the Sun, however, the image will be sharper and of higher contrast than that of typical solar filters. The reason for the extra sharpness and contrast is due to the placement of the filter. Since the Herschel Wedge is mounted in place just before the eyepiece it can eliminate any reflections before the image reaches your eye.

Meade's 2" Solar White Light Herschel Wedge comes with a 2" barrel on both the telescope and eyepiece side. A 2"-1.25" adapter is included so you can use both 2" and 1.25" eyepieces for solar viewing. The Wedge includes both a multi-coated variable polarizing ND3 filter and a removable multi-coated circular polarizing filter. A hard case is also included so that you can store your Herschel Wedge safely while not in use.

Meade 2" Solar White Light Herschel Wedge Specifications

  • Telescope Compatibility: Refractors up to 152mm
  • Telescope Side Barrel Size: 2"
  • Eyepiece Side Barrel Size: 2"
  • 2" to 1.25" Adapter Included: Yes
  • Optical Coatings: Multi-Coated
  • Clear Aperture: 46mm
  • Circular Polarizing Filter: Removable, Multi-Coated
  • Variable Polarizing Filter: ND3, Built-In, Multi-Coated
  • Case Included: Yes, Hard Case
  • Dimensions: 11.7" x 13.5" x 6.2"
  • Weight: 1.8 lb.

What About Your Finderscope?

Adding this solar wedge to your telescope will adequately filter the light coming through your focuser, but have you considered what you’ll do about your finder scope?

Here are some suggestions for dealing with your finder that will assure you do not damage your eyes (or anyone else’s) by looking at the Sun through your telescope’s unfiltered finder:

  • Remove Your Finder. Ditching your finderscope when solar viewing will remove the possibility of someone accidentally looking through it to spot the Sun. Of course, not having a finder makes centering the Sun in your eyepiece more difficult, but with practice, it can be done. Set the mount down so the telescope is pointing in the direction of the Sun. Put the main solar filter on so you can check your progress, and then move the telescope around until it casts a shadow that produces a nice, sharp silhouette of the scope. The OTA will look circular. Now move your telescope up or down with your hand controller, slow motion controls, or very carefully by hand if required while looking through the eyepiece. You will not get a warning when you are close, but you should be able to align with the Sun using this method. Practice ahead of time before any big event, like an eclipse, to make sure you’ve got the process down.
  • Filter Your Optical Finder. This solution is not recommended for a reflex or red dot finder since it is too easy to accidentally look around the window. If you have one of these finders we recommend you either remove it or replace it with a dedicated solar finder (see below).

    To make your optical finderscope safe for solar viewing you’ll need to buy a piece of Baader Solar Film for Visual Use. This film comes in different size sheets and cuts easily with scissors, allowing you to make your own filter. You can go super low-tech and use a rubber band to hold a piece of the film firmly around the finder or you can get fancy and build your own slip-on solar filter. However you attach the solar film, you need to make sure there are no light leaks at all and that it doesn’t accidentally fall off when you move your telescope around. Any unused film can store flat between two pieces of cardboard and will keep for years. It is nice to have around, just in case of a solar emergency :-)

  • Buy a Dedicated Solar Finder. Check out the Tele Vue Sol-Searcher Solar Finder. This special finder can only be used when observing the Sun, but it works very well. The Sol-Searcher is reasonably priced and can be attached to your telescope with Velcro or with #10-32 screws (user supplied).