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Agena 60mm Precision Straight-Through Finder / Guide Scope with Helical Focuser

4.9 (8 Reviews) Read Reviews Write Review
Brand Agena AstroProducts
Part Number DLXGS-60
Availability

Product Info

Manufacturer Description

Ideal for autoguiding long-exposures with DSLR or CCD cameras, this large-aperture 60mm guidescope gives bright images and puts within reach many guide stars not accessible with smaller-aperture scopes. With an overall length of 10.2" (260mm) to 12" (305mm), and a weight of 1lb-15.9oz, this f/4 refractor with a focal length of 240mm won't take up much space or weigh down your mount. It works best for imaging with refractor or reflector telescopes with focal length up to 1500mm.

Precision Dual-Focus Mechanism

The focuser includes a drawtube with a total travel of 38mm for coarse focusing. It is marked in 1mm increments. Once set, the drawtube locks in position with a thumbscrew.

Precise, fine-focus adjustment comes from a newly-engineered helical focusing mechanism with 10mm of travel. The fine focuser has a knurled focusing collar and a 0-10 scale on the drawtube with 0.05mm increments. A thumbscrew is also provided to lock down the helical drawtube where desired. The design of the precision helical focuser eliminates any play in the drawtube over its entire travel range.

The total focus travel range is thus 48mm.

The helical focuser also incorporates a fixed-orientation design. That means your autoguider only moves in and out during fine focusing and does not rotate, so the camera orientation and field of view of the guide stars remains fixed.

The focuser is machined with male T-threads to securely attach an autoguider that has a removable nosepiece and female T-threads. Or if your autoguider has a fixed 1.25" nosepiece, you can insert it directly and lock it into the focuser's accessory holder. A compression ring makes sure you don't mar your autoguider or eyepiece.

Alignment Rings and Versatile Dovetail Mounting Options

The scope includes dual mounting rings with three nylon-tipped collimation screws per ring. The rings are attached to a 1.23" (31mm) wide by 3.5" (89mm) long dovetail mounting bar which fits into Vixen/Synta-style dovetail finder bases (not included) found on many telescopes. The dovetail bar also includes three threaded through-sockets for other attachment options (one 1/4"-20 threaded hole in the middle and two M8 threaded holes, one on either side). For example, it can be mounted on one of the pre-drilled holes on the tube rings of many refractor and Newtonian reflector optical tubes, or on the rear of most Schmidt-Cassegrain telescopes using a suitable optional dovetail base.

An Excellent Large-Aperture Finderscope

The guidescope also makes an excellent large-aperture finder. It accommodates many 1.25" eyepieces, including illuminated reticle eyepieces such as the Agena 1.25" Wireless Illuminated Reticle Eyepiece with Focusable Single Crosshair (not included). This 24mm focal-length 50° AFOV eyepiece, for example, turns the scope into a 10x60 straight-through finder with a wide 5° field of view that gives bright views of faint stars and deep-sky objects not visible in smaller stock finders.

  • Main tube diameter = 66mm
  • Dewshield diameter = 67.8mm

Please Note:

  • All these finders have, or will soon develop, light indentation marks on the finder tube from the delrin-tipped screws on the finder bracket. This is not an indication of a defective or used finder.
  • This finder cannot be used with a diagonal to make it a right angle finder. You will not have sufficient in-focus travel.

Reviews

4.9 (Based on 8 Reviews) 100% of reviewers recommended this product.
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    1. Guest

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      Review by Mike B.
      1523054206
      Apr 6, 2018

      4.0 60mm guidescope

      Pros:

      Cons:

      Comments:

      I very good guidescope, it works well other than a couple niggling issues, with my 1.25" body meade lpi-g, I had to add a 1" extension into it's nosepiece to place the chip farther back in the holder or I was at the outward limit of travel to achieve focus and with that came flex, not ideal. Also the coarse focusing drawtube has three drilled/tapped holes for the lockscrews but only one is supplied! You need three otherwise the drawtube flexes, again not ideal for a guidescope, luckily I found a couple screws that would work.

      Bottom Line: Would you recommend this item? Yes
      Was this review helpful? Yes / No

      This review was provided courtesy of AgenaAstro.com

    2. Guest

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      Review by Joel S.
      1522983144
      Apr 5, 2018

      5.0 Great!

      Pros:

      Cons:

      Comments:

      Great!

      Bottom Line: Would you recommend this item? Yes
      Was this review helpful? Yes / No

      This review was provided courtesy of AgenaAstro.com

    3. Guest

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      Review by Pat D.
      1522982342
      Apr 5, 2018

      5.0 Well made and easy to use guidescope!

      Pros:

      Cons:

      Comments:

      The ease of use and precision of the helical focuser are outstanding! I really like the fact that the guide cam does not rotate with this focuser. I am able to get extremely sharp focus in seconds and my guide frames look better than ever. The all-metal construction of the scope is plus also.

      Bottom Line: Would you recommend this item? Yes
      Was this review helpful? Yes / No

      This review was provided courtesy of AgenaAstro.com

    4. Guest

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      Review by Andrew O.
      1518094720
      Feb 8, 2018

      5.0 Makes a Great Finder

      Pros:

      Cons:

      Comments:

      Using it as a magnificent finder on my 14 inch SC.

      Centering adjustments very easy compared to many standard finders

      Bottom Line: Would you recommend this item? Yes
      Was this review helpful? Yes / No

      This review was provided courtesy of AgenaAstro.com

    5. glutch

      glutch New Member

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      Review by George L.
      1516759317
      Jan 23, 2018

      5.0 Great 60mm guide scope

      Pros:

      Cons:

      Comments:

      After learning my way around the scope and getting it set up for my scope I have had nothing but good guiding.

      Bottom Line: Would you recommend this item? Yes
      Was this review helpful? Yes / No

      This review was provided courtesy of AgenaAstro.com

    6. Guest

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      Review by Thomas W.
      1501504255
      Jul 31, 2017

      5.0 60mm Guidescope

      Pros:

      Cons:

      Comments:

      I'm using this scope with a Micro-EX video camera as a finder. The range of focus is what attracted me to this scope and the relatively low f number. Feels well made with minimum play when focusing an object.

      Bottom Line: Would you recommend this item? Yes
      Was this review helpful? Yes / No

      This review was provided courtesy of AgenaAstro.com

    7. Jesús Muñoz

      Jesús Muñoz New Member

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      Review by Jesus M.
      1483024674
      Dec 29, 2016

      5.0 Excellent product

      Pros:

      Cons:

      Comments:

      Strong construction, great non rotating focuser. The all metal construction is great. Nice optics.

      Bottom Line: Would you recommend this item? Yes
      Was this review helpful? Yes / No

      This review was provided courtesy of AgenaAstro.com

    8. Guest

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      Review by David of NM.
      1472688000
      Aug 31, 2016

      5.0 Wow what a good little scope! Such crisp views!

      Pros:

      Compact,Quality Lenses,Accurate,Easy to Use,Strong Construction

      Cons:

      Comments:

      This little 60mm scope has the highest quality optics I've seen in a guide/finder scope. It's a little on the heavy side compared to something like the ZWO 60mm but this 60mm scope from Agena is worth the extra weight for the clarity and well made focuser assembly. Unfortunately it can't be used with a 90 degree prism because it makes the travel too far out of focus. But just looking through it straight with a 25mm eyepiece this thing gives just such crisp views and takes in plenty of light.

      .

      Bottom Line: Would you recommend this item? Yes
      Was this review helpful? Yes / No

      This review was provided courtesy of AgenaAstro.com

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      Specifications

      Manufacturer Agena AstroProducts