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Zhumell 1.25 Inch 8-24mm Zoom Telescope Eyepiece

Item # HN-ZHUL017

Dimensions & Specifications

Brand
Zhumell
Telescope Accessories Series
1.25 inch Eyepieces
Telescope Eyepiece Series
1.25 inch Eyepieces

Product Guarantee

Return & Exchange Policy

  • 1.25-inch format
  • Protective hard case
  • 4-element
  • Fully multi-coated optical system
  • 40 to 60-degree field-of-view
Images
Full Description
Specifications
Guarantee & Returns
Customer Reviews

REVIEW SNAPSHOT®

by PowerReviews
Zhumell 1.25 Inch 8-24mm Zoom Telescope Eyepiece
 
4.5

(based on 83 reviews)

Ratings Distribution

  • 5 Stars

     

    (45)

  • 4 Stars

     

    (34)

  • 3 Stars

     

    (2)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (1)

98%

of respondents would recommend this to a friend.

Pros

  • Easy to use (68)
  • Strong construction (56)
  • Great optics (51)
  • Widely compatible adapter (22)
  • Good padding (18)

Cons

  • Heavy (5)

Best Uses

  • Astronomy (74)
  • Terrestrial viewing (29)
  • Bright conditions (8)
  • Astrophotography (5)
    • Reviewer Profile:
    • Casual/ recreational (64), Avid adventurer (11)
    • Was this a gift?:
    • No (55), Yes (7)

Most Liked Positive Review

 

Good Zoom Eyepiece for any Astronomer...

It's been rather cloudy since the Zoom eyepiece arrived, with some breaks, but for the most part...cloudy.

Looking out the window, I see that the skies have cleared somewhat...Read complete review

It's been rather cloudy since the Zoom eyepiece arrived, with some breaks, but for the most part...cloudy.

Looking out the window, I see that the skies have cleared somewhat and really anxious to try out the eyepiece, I donned winter gear - and fighting a cough from a throat cold....I venture to the garage observation site.

A nice Moon and Jupiter presented themselves for testing.

I did not want to set up the C11, but instead grabbed the portable tripod and set up the C5...

I did not power it up for this quick and manual test.

It was decent.... :)

At the 24mm position, the full orb of the Moon was easily within the FOV with plenty of space around it. Popping in a 25mm Celestron Plossel, the views were identical. Sharp and detailed.

I slowly turned the knurled ring and increased the magnification thru the range up to 8mm. This zoom is not parfocal throughout the range, as I had to stop twice to refocus while twisting...

At 8mm, it's maximum setting, the view was good. But by this time some upper atmospheric haze had crept overhead and made testing tough. But when I did get a clear steady patch, the view was good. A bit of fuzziness was observed, but without clear conditions, hard to tell from where it was coming from.

I then slewed over to Jupiter, in close proximity. Returning the eyepiece back to the 24mm setting, all five satellites were easily observed. Cranking up the power, the Jovian bands came into view with good detail...but again - with the haze, fuzzy.

I dismounted the C5 and brought out the trusty 90mm refractor...

Here I used the 2" right diagonal and with the 1.25" adapter on the refractor. as opposed to the all 1.25" set-up on the C5.

Still on Jupiter, the views were similar to the C5, perhaps a bit sharper, (The C5 does need a collimation). And as I turned the ring, Jupiter grew in size, bringing the banding into view. And again a bit fuzzy - so it isn't the scope but could the the air or the eyepiece. A clearer night will determine this.

Primary Evaluation:

In comparison with straight dedicated mm eyepieces, it held it's own - with close/equal sharpness and detail. Turning action was smooth, even in the mid 20's temperature of the evening.

I examined the lunar terminator with the Zhumell, and found that I got sharp contrasts and defined details - best at 24mm and good at 8mm.

I attempted to take some images, but without power to the mount, the pics would not be presentable. And also, my Canon Powershot S3 adapter, (which normally fits all 1.25" eyepieces), was too small to fit over the this Zoom eyepiece, :-/....even with the eyecup removed. Another approach will be found.

Good and worth the purchase. For those who would like several eyepieces, this Zhumell zoom would fit nicely in an Astronomer's accessory case. It fills the gap of 16 eyepieces and saves the cost of purchasing several or just for plain convenience. Of course, a dedicated stand alone mm eyepiece is superior, but this is nice to have and just about as good.

I may have this as a permanent eyepiece in the ride-along 90mm refractor finder scope to the C11 or get another one for use in the Binoviewer.

A more in-depth evaluation soon - on a clear night.

Pics can be found at the Chicago Astronomer website.

Astro Joe

VS

Most Liked Negative Review

 

Less than expected

It seems there was a mixup with this one. The Zoom I received did not say Zhumell on it anywhere. I did receive a zoom 8-24mm, didn't seem like good quality, not...Read complete review

It seems there was a mixup with this one. The Zoom I received did not say Zhumell on it anywhere. I did receive a zoom 8-24mm, didn't seem like good quality, not very bright to look through. [...] It is possible I received a zoom that was put in the wrong plastic case - not sure.

Reviewed by 83 customers

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4.0

Extremely easy to use, and great optics

By Andrew Z

from LAWRENCE,KS

About Me Avid Adventurer

Verified Buyer

Pros

  • Easy To Use
  • Great Optics
  • Strong Construction
  • Widely Compatible Adapter

Cons

    Best Uses

    • Astronomy
    • Terrestrial Viewing

    Comments about Zhumell 1.25 Inch 8-24mm Zoom Telescope Eyepiece:

    I use it for finding planets, nebulae, and galaxies, and it's function is perfect for all of these because of it's ease of use, not having to switch out with other eyepieces all the time.

    • Was this a gift?:
    • No
     
    4.0

    Great zoom lens, can't beat the price

    By Raney

    from Ft. Worth TX

    About Me Casual/ Recreational

    Verified Buyer

    Pros

    • Easy To Use
    • Great Optics
    • Strong Construction

    Cons

      Best Uses

      • Astronomy

      Comments about Zhumell 1.25 Inch 8-24mm Zoom Telescope Eyepiece:

      If this lens had click-stop it would be perfect, but probably
      more expensive.

      • Was this a gift?:
      • No
       
      5.0

      Perfect for kids | Especially little kid

      By Old Man In Black Forest

      from Black Forest, CO.

      About Me Casual/ Recreational

      Verified Reviewer

      Pros

      • Easy To Use
      • Great Optics
      • Strong Construction
      • Widely Compatible Adapter

      Cons

        Best Uses

        • Astronomy

        Comments about Zhumell 1.25 Inch 8-24mm Zoom Telescope Eyepiece:

        Very clear, easy to use great for children can use the lower power to locat objects then "zoom" without changing the eyepiece, exactly as expected. I would recommend this eyepiece to anyone, but again, if you have small children it's GREAT...

        • Was this a gift?:
        • Yes
         
        4.0

        A good eyepiece for the money

        By Andrew

        from LINDENHURST,NY

        About Me Casual/ Recreational

        Verified Buyer

        Pros

        • Easy To Use
        • Strong Construction

        Cons

          Best Uses

          • Astronomy
          • Terrestrial Viewing

          Comments about Zhumell 1.25 Inch 8-24mm Zoom Telescope Eyepiece:

          This eyepiece is good for exploring the night sky, scanning for objects that stand out at you and easily having the option to get a closer look without having to swap out the eyepiece.

          Comfortable to look through and smooth zoom to pick your exact magnification.

          Be aware: I knew this prior to ordering, Don't compare the clarity of this zoom eyepiece to an equally priced fixed eyepiece. The individual eyepieces from my celestron kit are more crisp, even my stock ep from my z10 are better. But sometimes the convenience is appreciated.

          Everyone should have a zoom ep in their collection.

          The case was also incredibly well made (Cylinder, screw top). I bought a 3X barlow for more than twice the price and got a flimsy cardboard box with it.

          • Was this a gift?:
          • No
           
          5.0

          Birthday gift

          By Ralinda

          from JACKSONVILLE,NC

          About Me Casual/ Recreational

          Verified Buyer

          Pros

            Cons

              Best Uses

                Comments about Zhumell 1.25 Inch 8-24mm Zoom Telescope Eyepiece:

                My son said this was the perfect gift. He seems very pleased with it.

                • Was this a gift?:
                • Yes

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                Customer Q & A

                3 Questions About This Product
                Q: "Just wondered if this zoom eyepiece would work on my Meade ETX 80 telescope?"
                A: Yes, since your ETX 80 uses a standard 1.25" eyepiece it will work just fine.
                Q: "Can I use a 2 power or 3 power barlow lens to double or triple the magnification of this zoom lens ? If so, will I loose much image quality?"
                A: The Zhumell 1.25 Inch 8-24mm Zoom Telescope Eyepiece can be used with a 2x barlow lens but a 3x barlow is not recommended. A barlow lens will cause the image to lose quality because the light is processing through another thick piece of glass. The distortion will be minimal but it is noticeable.
                Q: "Will this fit a NexStar 4SE?"
                A: The Zhumell 1.25 Inch 8-24mm Zoom Telescope Eyepiece will certainly fit the NexStar 4 SE.
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