Free Shipping On Many Items

The Telescope Authority
Since 1947

View Shopping Cart

Your Cart is Empty

Explore Scientific 152mm f/6.5 Achromatic Refractor with Accessories

SKU : ES-DAR152065-01

- Read
Add to Wishlist

52D158B8-B55E-4DF3-8064-D4A13DFFDDC4 Request stock alerts and we'll let you know when the item is back in stock

Got questions? Click for live chat

  • Aperture: 152mm (6")
  • Focal Ratio: f/6.5
  • Focal Length: 988mm
  • Highly portable and effective achromatic refractor

Product Details

  • The Explore Scientific AR152 (six inch) f/6.5 Air-Spaced Doublet Achromat Refractor, with its larger aperture optics gathers 44% more light over the AR127 (five-inch) model, providing much brighter images and higher resolution. The goal was to provide an extreme value by providing true diffraction-limited optics at a price that will allow more people to explore the sky with a wide-field large aperture refractor. Images of deep sky objects are stunning at low powers. At high power the moon and the planets are revealed in sharp, high contrast.

    Designed to handle the rigors of public star parties and educational outreach, the Explore Scientific AR Series has standard hardware which includes a precision 10:1 two-speed focuser, a 2-inch diagonal, and an 8x50 finder scope.

    The optics in their collimatable lens cell are fully multi-coated to eliminate light scatter and maintain image contrast. We precision collimate every Explore Scientific telescope at our factory to give optimum performance. Although you may never need to adjust optical alignment, the AR Series allows for collimating the lens set should the telescope ever require it.

    Contrast is further enhanced with multiple baffles that mask and deflect unwanted stray light.

    The Explore Scientific Air-Spaced Doublet AR Series telescopes include a precision 2-inch ten-to-one, two-speed as standard equipment. The eyepiece holder uses a compression ring to prevent the eyepiece or camera barrel from scoring.

    On those pristine nights of steady seeing, Saturn's Rings can forever affect the hearts and minds of almost anyone who lays eyes on them. It's nights like these that astronomers like to set up their refractor telescopes and push the magnification to the limits, not only to see the magnificence of the planet at greater scale but to really test the optical and mechanical quality of the telescope.

    Many telescopes are only supplied with a standard single-speed focuser, you will find that a tiny nudge will throw out focus and turn your night into one of frustration. Now included as standard equipment on all Explore Scientific AR Series telescopes is a ten-to-one, two-speed Crayford-style precision focuser with tension adjustment and lock to obtain and hold perfect focus. We think you'll agree that such precision is worth it.

    The Universal Adjustable Mounting Plate of the AR 152 fits on many popular equatorial and Alt-Az mounts, including mounts supplied by Explore Scientific, Vixen, and Meade LXD55/75.

    Instead of using a cast metal part, Explore Scientific's Universal Mounting Plate is made from extruded aluminum for added strength. It is, after all, what secures your telescope to the mount. Also included are adjustment screws and locking bolts to allow adjustments to position the angle of the telescope when it is placed on its mount, an important feature when using an equatorial mount.

    The Two Inch Dielectric Diagonal includes a 1.25" eyepiece holder adapter. The purpose of a diagonal is to securely hold your eyepiece and to give you a comfortable viewing angle.

    Provided as standard equipment, Explore Scientific's Two Inch Diagonal incorporates a light-weight, one-piece diagonal body that securely cradles the precision polished diagonal flat mirror, insuring precision alignment.

    The Explore Scientific 8x50 Finder Scope provides a true field of view of 6. Its coated optics provide a bright high-resolution image so that many faint stars and nebulae can be detected for precise aiming.

    The front objective can be custom focused to provide a sharp image every time.

    OPT Product Number: DAR152065-01

  • specifications

    Aperture152 mm (6")
    Focal Length988 mm
    Focal Ratiof/6.5
    Optical DesignDoublet Refractor
  • included items

    • Explore Scientific AR152 f/6.5 Air-Spaced Doublet Achromat Refractor Telescope OTA
    • Removable Dew Shield
    • Cradle Rings with Handle and Univsersal Saddle Plate
    • 10:1 Two-Speed Focuser 2.0" I.D.
    • 8x50 Straight Finder Scope with Six Point Adjustable Bracket
    • 2" 99% Reflectivity Mirror Diagonal with 1.25 " Adapter

Product Reviews

Customer Reviews
5.0 Based on 8 Reviews
5 ★
4 ★
3 ★
2 ★
1 ★
Write a Review Ask a Question

Thank you for submitting a review!

Your input is very much appreciated. Share it with your friends so they can enjoy it too!

Filter Reviews:
    United States United States

    Review of the Explore Scientific 152 mm f/6.5 telescope

    I had to make a steel adapter to fit the base of the telescope onto my CGEM II mount which is on a permanent pier. Once that was done I was able to mount and test the telescope by photographing M8, M20 and M31 for 60 seconds each. The Canon 60 Da camera was set on bulb and an ISO of 6400. I then downloaded the pictures into my computer to get a good look at them after processing on Photoshop 7.0 to eliminate background light pollution. I can say that there was a very even sharpness all the way across the picture indicating that the curvature of the optics was uniform and the resolution of M8 and M31 was slightly better than what I had achieved with my Celestron 11-inch SCT! Only the extreme corners of the pictures suffered from a very slight astigmatism. Overall I am very satisfied with the telescope for deep sky photography.

    Vernon H.
    United States


    I have not been able to find time to set it up and use it but the ordering and shipping were fine. I needed to have the scope arrive on a certain date and they were able to have it arrive on the day I could be home to take shipment on that date which was over three weeks after I ordered it.


    Love this scope!

    Bought this AR152 last December (2014) after doing a lot of research into trade-offs for best viewing vs size and usability. My original theory was that this would be my rich-field/dark sky scope and that I would get a Maksutov for lunar/planetary use. To my surprise, the image quality at higher magnifications (200x +) is quite good. CA is only an issue on the moon (sometimes) and Jupiter. For these I use a Baader UHC filter - CA gone! No motivation left to get the Mak. Recently I have completed my collection of Explore Scientific 82Deg eyepieces and alI can say is Wow! what a great combination - ultra widefield, high contrast, pinpoint images. This scope and these eyepieces have really rejuvenated my interest in visual astronomy. BTW - In some review I read it was claimed that this scope tends to be a favorite at star parties. I find this is definitely the case. Mounted atop a GEM this scope is quite impressive to all and is a dream for outreach.


    EXCELLENCE for the price

    Ordered and replaced three, before I received one with little to no problems. Shipment packs the finder scope in box at bottom so every arrival had broken plastic screws. One scope arrived with a cracked lens. Exp Si has one of the best customer service dept of any scope manufacturer. So if the one you order has a problem call them first. It will save You time. On sale at $600. it could be the bast purchase you ever make. A better scope in 6" can't be found in any format for this price. Better than my 6" RC astro. Pop in a quality eyepiece and you will smile. Not a lightweight though. Tops 25LB with a 2" lens and if you mount on the twilight II, It makes my old arms ache to set up. But well worth the effort for a night outside. Every guest I share it with prefer it to my AT6RC Astro-Tech that is mounted on the other half of my Twlt2, with the same focuser, diagonal and lens. Views of Saturn, Jupiter and Orion Neb are all incredible. Refractor OTA's at three times the price are little better than this amazing scope. And 6" reflectors or Catadioptric are just not as good. A great investment for a small price.


    Surprised at the Trouble Free View

    My recent purchase of the ES AR152 ended up being a positive one. So many had said that these short focal length refractors had a myriad of visual problems, but after just one use, I can't imagine anyone knocking this telescope. The view was sharp and clear. I could not see any odd colouring around stars or planets. Maybe I just don't have a trained eye. I am using this telescope for visual only, and atop a Celestron AVX mount. Both do well together, and if someone new to astronomy, with a fairly deep pocket wanted something really nice to start out with, this OTA and the mount would be perfect If you do purchase this combination, you will need an additional 11# AVX counter weight. I failed to realize that, and was delayed a few weeks in using the new telescope.


    Wow, this is a big scope!

    I have had this telescope for a while now and I love it. It arrived with a damaged focuser, which was repaired promptly by Explore Scientific. They even tuned the focuser for the weight of my camera. I am new to astrophotography but on my first night I got photos of Jupiter and the Orion nebula. These photos will never grace the cover of a magazine, but I got positive results on my first try. I am using a Pentax kx camera, Baader Planetarium Click stop III eye piece with a filter (to reduce fringing) and a Celestron CG 5GT equatorial mount. Good points: it is a big light bucket, it is inexpensive for what you get, and I get great views. On the minus side: it is a big light bucket, this scope is long and heavy so you will not want to lug this beast up mountain, with my eyepiece and camera it tips the scales at about 34 pounds, a bit much for my mount. In summary, this scope has a great wow factor and is fun to use. I have recommended this scope to others and our local astronomy club is looking to get one.