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Orion Telescopes
Orion Focal Reducer Corrector for ED120 Telescope
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  • Designed for use with Orion's ED120 refractor (#9976) not compatible with the EON 120ED refractor telescope
  • Two-element lens assembly with one element made from ED glass
  • Use with DSLR cameras with chips as large as 36mm x 24mm
  • Reduces the effective focal length from 900mm to 765mm (f/7.5 to f/6.38)
  • Fully multi-coated optics (all air-to-glass surfaces are multi-layer coated)


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Item #  05198

The 0.85x Reducer-Corrector for the Orion ED120 120mm refractor (#9976) reduces the effective focal length, producing a wider field and brighter images, and allowing shorter exposure times for astrophotography. It also provides excellent field correction (flattening), yielding sharp stars out to the edge of a camera chip as large as 36mm x 24mm, which is even larger than the APS-C size chip housed in the DSLRs most widely used by astrophotographers!

The Reducer-Corrector is designed exclusively for use with DSLR cameras, providing the nominal 55mm distance required from the optics to the camera sensor to achieve critical focus. You will need a "wide" T-ring for your brand of camera (sold separately).

This astrophotographic accessory features a two-element lens assembly, with one lens made from high-quality extra-low dispersion (ED) glass. The optics are fully multi-coated to minimize light reflection off the lens surfaces. It's designed for use with only the original ED120 refractor, not the EON 120ED. The effective focal length is shortened from 900mm to 765mm (f/7.5 to f/6.38), creating a faster system for improved astrophotographic performance.

The Reducer-Corrector threads onto the focuser drawtube's male threads for a secure fit that will not introduce flexure. Threads on the camera side accept a "wide" T-ring for your camera type.

This is a 'must-have' accessory for better astrophotography with Orion's ED120 refractors. Great for daytime terrestrial photography too!

Warranty

Limited Warranty against defects in materials or workmanship for one year from date of purchase. This warranty is for the benefit of the original retail purchaser only. For complete warranty details contact us at 800-676-1343.

Warning

Please note this product was not designed or intended by the manufacturer for use by a child 12 years of age or younger.

Product Support
Visit our product support section for instruction manuals and more
  • Coatings
    Fully multi-coated
  • Number of elements
    2
  • Clear aperture
    43mm
  • Mounting
    Threaded
  • Mechanical profile
    40.60mm
  • Weight (oz.)
    8
  • Dimensions
    1.9 in. x 2.2 in.
  • Warranty
    One year

Orders received by 1pm Eastern Standard Time for in-stock item the same business day. Order received after noon will ship the next business day. When an item is not in-stock we will ship it as soon as it becomes available. Typically in-stock items will ship first and backordered items will follow as soon as they are available. You have the option in check out to request that your order ship complete, if you'd prefer.

SHIPPING RESTRICTIONS APPLY FOR THIS PRODUCT

This product is available to ship Standard delivery within the 50 US states, APO/DPO/FPO addresses and US territories/protectorates. Delivery is not available to Canada.

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