Coronado CEMAX 2x Barlow Lens (1.25")

Coronado CEMAX 2x Barlow Lens (1.25")

Coronado CEMAX 2x Barlow Lens (1.25")

B&H # CO2XB MFR # BAR
Coronado CEMAX 2x Barlow Lens (1.25")

Coronado CEMAX 2x Barlow Lens (1.25")

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Product Highlights

  • 2x Magnification
  • 1.25" Diameter Barrel
  • Full Multi-Coated Optics
  • For Use at H-alpha Wavelengths
  • Requires Blocking and SolarMax Filters
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SAFETY FIRST: Observing the Sun without the proper protection may result in serious personal injury, including permanent eye damage and blindness, and/or damage to equipment. Never point an optic at the sun without an approved solar filter on the front of the optic. For direct solar viewing, viewing the sun through an optic, or when using cameras with an optical viewfinder, ensure your filter is ISO 12312-2 (also written as ISO 12312-2:2015) certified. Never use photographic neutral density filters for direct solar viewing, viewing the sun through an optic, or when using cameras with an optical viewfinder.

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  • 1Description

The Coronado CEMAX 2x Barlow Lens doubles the magnification of any 1.25" eyepiece to increase the usability of the eyepiece without affecting exit pupil, eye relief image or overall image brightness. While it may be used for conventional nighttime astronomical observation, it has been designed primarily for use at H-alpha (Ha) wavelengths with fully multi-coated optics tuned to ensure maximum contrast when used with Ha solar filters.

This Barlow lens is not a filter, and when used as part of a solar viewing system, it must be used in conjunction with a blocking filter and a SolarMax filter.

UPC: 709942995084
In the Box
Coronado CEMAX 2x Barlow Lens (1.25")
  • Push-On Rear Cap
  • Push-On Front Cap
  • Limited One-Year Warranty
  • Table of Contents
    • 1Description
    Dimensions 1.5 x 3.1" / 3.7 x 7.8 cm
    Weight 3.4 oz / 95 g
    Packaging Info
    Package Weight 0.22 lb
    Box Dimensions (LxWxH) 3.5 x 2.0 x 2.0"
    CEMAX 2x Barlow Lens (1.25") is rated 4.0 out of 5 by 3.
    Rated 4 out of 5 by from It's a barlow. It's a REALLY solidly made and nice looking barlow. Would have liked to see more features like a t-thread, but it's solid. Lens on bottom can come off so you can experiment with the parts on your equipment like using just the element on various eyepieces or using just the barrel as an extender. It does the job. Overall, I enjoy owning it. It's built like tank. You could probably run it over with your car and it'd be totally fine. It'd probably be great choice for adventurer types because it looks like it would be REALLY hard to break.
    Date published: 2013-04-17
    Rated 3 out of 5 by from Good not great I received this Barlow with my new PST Solar Scope. While it does increase the magnification and increases the detail you may see it's depth makes it difficult to focus and tune the scope. If you are not looking straight down the barrel you will not see the image well if at all. Reccomend using different eyepieces.
    Date published: 2015-01-02
    Rated 5 out of 5 by from Works well Useful bit of kit , lightweight to match tripod.
    Date published: 2017-08-28
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