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Meade 8 Inch Equatorial Wedge w/LX90 Adapter Plate

Item# MEAD120
 
4.0

(5 Ratings)

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Description

The Meade 8-inch Equatorial Wedge w/LX90 Adapter Plate will eliminate field-rotation effects when you're using your LX90 telescope for astrophotography.


You can do astrophotography with the LX90 scopes in the standard altazimuth mode, but for longer exposure times, an effect called field rotation becomes evident. Stars at the edge of the field will appear as small concentric arcs or streaks on the film, rather than as star points. This effect, which does not relate to the accuracy of the telescope's computer or internal alignment, occurs on all altazimuth-mounted telescopes. It's simply a side effect of the altazimuth-type mount itself.

Preventing Field Rotation

To prevent field rotation, your LX90 can be polar-aligned by using the wedge. A wedge allows you to align the telescope's axis of rotation with the Earth's rotational axis. This eliminates the effects of field rotation and gets the streaks out.
This wedge also can be used with an 8-inch LX200 telescope if purchased with a different adapter plate.
An alternative to using a wedge is employing the field de-rotater. The de-rotater allows you to stay in altazimuth mode and correct field rotation for longer-exposure astrophotography and CCD imaging.



 

Supplier Sku:
07002-1

Dimensions & Specifications

Warranty

1 Year

Brand

Meade

Telescope Accessories Series

Meade Wedges

International Shipping

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Customer Reviews

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by PowerReviews
Meade 8 Inch Equatorial Wedge w/LX90 Adapter Plate
 
4.0

(based on 5 reviews)

Ratings Distribution

  • 5 Stars

     

    (0)

  • 4 Stars

     

    (5)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Strong construction (4)

Cons

    Best Uses

    • Astronomy (4)
    • Astrophotography (4)
      • Reviewer Profile:
      • Casual/ recreational (4)

    Reviewed by 5 customers

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    Displaying reviews 1-5

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    4.0

    Great except instructions wrong

    By jhkaye

    from Richland, WA

    About Me Casual/ Recreational

    Verified Buyer

    Pros

    • Strong Construction
    • Widely Compatible Adapter

    Cons

    • Instructions wrong

    Best Uses

    • Astronomy
    • Astrophotography

    Comments about Meade 8 Inch Equatorial Wedge w/LX90 Adapter Plate:

    Very satisfied with this equatorial wedge. However, the installation instructions were wrong. An L-bracket was described which was not included, and a rod was attached to the wedge body which was not shown. This rod, with a hole in the side for a long threaded knob (also not mentioned in the instructions) is attached to the wedge body to provide fine latitude adjustment. This replaces the L-bracket, and is an improvement. A call to Meade confirmed how to attach the rod and threaded knob correctly. The wedge and adapter plate are well-designed, and the instructions are very clear and complete, except for being wrong!

    • Was this a gift?:
    • No
     
    4.0

    Some imagination required to assemble

    By Benson

    from - 6 gmt

    About Me Casual/ Recreational

    Verified Buyer

    Pros

      Cons

      • Poor instructionsmanual

      Best Uses

      • Astrophotography

      Comments about Meade 8 Inch Equatorial Wedge w/LX90 Adapter Plate:

      Instructions not consistent with actual hardware. Oversized knobs on altitude adjuster block view of altitude scale. Needed additional allen wrench [not supplied] to assemble latitude adjuster and only aligns with one hole on tripod. Additional screws to secure wedge to predrilled holes on top of tripod would be a plus.

      • Was this a gift?:
      • No
       
      4.0

      Great Wedge; Must for astrophotography.

      By Daveguy

      from Chicago, IL

      About Me Avid Adventurer

      Verified Buyer

      Pros

      • Strong Construction
      • Upgrades Included

      Cons

      • Unclear Instuctions

      Best Uses

      • Astronomy
      • Astrophotography

      Comments about Meade 8 Inch Equatorial Wedge w/LX90 Adapter Plate:

      This is a must for long exposure astrophotography. Light weight and aluminum construction is great. Fine tuning mechanisms and upgrades included. Instructions for assembly were not included for supplied upgrades, but workable.

       
      4.0

      Meade 8" Equatorial Wedge w/LX90 Adapter

      By Pete in Delaware

      from Wilmington, Delaware

      About Me Casual/ Recreational

      Verified Buyer

      Pros

      • Easy To Use
      • Strong Construction

      Cons

        Best Uses

        • Astronomy
        • Astrophotography

        Comments about Meade 8 Inch Equatorial Wedge w/LX90 Adapter Plate:

        [...] The item itself functions as required. The exact latitude adjustment on the wedge is difficult because the plastic knob (easy to use but blocks the scale)blocks the exact view. But the latitude adjustment knob and RA fine adjustments work very well. I use this regularly now with my 8" LX90

         
        4.0

        I would buy and reccommend this product

        By Starman Lou

        from Grand Rapids Mi.

        About Me Casual/ Recreational

        Verified Buyer

        Pros

        • Strong Construction
        • Strong Handles
        • Waterproof
        • Widely Compatible Adapter

        Cons

        • Bad threads

        Best Uses

        • Astronomy

        Comments about Meade 8 Inch Equatorial Wedge w/LX90 Adapter Plate:

        Unfortunately after putting the wedge together I found that the 5/16 threaded rod that threads through the round cross bar would only thread 1/2 of the way through.
        Rather than sending the wedge back I rethreaded it with a 5/16 tap and it now works as it should.
        this is the threaded bar that supports the wedge at any angle.
        Other than that this is a great wedge.

        Displaying reviews 1-5

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