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Zhumell 1.25 Inch 8-24mm Zoom Telescope Eyepiece

Item # HN-ZHUL017

Dimensions & Specifications

Brand
Zhumell
Telescope Eyepiece Series
1.25 inch Eyepieces
Telescope Accessories 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
Full Description
Images
Specifications
Guarantee & Returns
Customer Reviews

REVIEW SNAPSHOT®

by PowerReviews
Zhumell 1.25 Inch 8-24mm Zoom Telescope Eyepiece
 
4.4

(based on 75 reviews)

Ratings Distribution

  • 5 Stars

     

    (40)

  • 4 Stars

     

    (31)

  • 3 Stars

     

    (2)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (1)

97%

of respondents would recommend this to a friend.

Pros

  • Easy to use (62)
  • Strong construction (50)
  • Great optics (47)
  • Widely compatible adapter (19)
  • Good padding (17)

Cons

  • Heavy (5)

Best Uses

  • Astronomy (68)
  • Terrestrial viewing (26)
  • Bright conditions (7)
  • Astrophotography (4)
    • Reviewer Profile:
    • Casual/ recreational (58), Avid adventurer (9)
    • Was this a gift?:
    • No (49), Yes (5)

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 75 customers

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Displaying reviews 1-5

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5.0

Excellent

By Saul

from OMAHA,NE

About Me Avid Adventurer

Verified Buyer

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:

    Excellent item, good delivery time and very good customer service

    • Was this a gift?:
    • No
     
    4.0

    Good First View Eyepiece

    By Samuel

    from MEMPHIS,TN

    About Me Casual/ Recreational

    Verified Buyer

    Pros

    • Easy To Use
    • Good Padding
    • Widely Compatible Adapter

    Cons

      Best Uses

      • Astronomy

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

      This eyepiece is useful to determine what power to use, then put in the higher quality, single focus eyepiece. Pretty good low power quality.

      • Was this a gift?:
      • No
       
      5.0

      Fulfilled all of my expectations

      By George

      from LAKEBAY,WA

      About Me Casual/ Recreational

      Verified Buyer

      Pros

      • Easy To Use

      Cons

      • I Had Nothing Bad To Say

      Best Uses

      • Astronomy
      • Terrestrial Viewing

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

      This product performed as advertised. It made viewing easy.

      • Was this a gift?:
      • Yes
       
      5.0

      Great Deal

      By James

      from COLUMBUS,GA

      About Me Casual/ Recreational

      Verified Buyer

      Pros

      • Great Optics

      Cons

        Best Uses

        • Astronomy
        • Terrestrial Viewing

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

        Easy to locate what I wanted on the website, product delivered very quickly. No problems what at all. Great price

        • Was this a gift?:
        • No
         
        5.0

        Zhumell Zoom Eyepiece

        By John

        from Westchester, IL

        About Me Casual/ Recreational

        Verified Buyer

        Pros

        • Easy To Use
        • Good Padding
        • Strong Construction

        Cons

        • Zoom Not Smooth Enough

        Best Uses

        • Astronomy
        • Astrophotography

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

        Product arrived quickly and in good working order.

        • Was this a gift?:
        • No

        Displaying reviews 1-5

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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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