Dismiss Notice
New Cookie Policy
On May 24, 2018, we published revised versions of our Terms and Rules and Cookie Policy. Your use of AstronomyConnect.com’s services is subject to these revised terms.

More Views

Agena Cordless Illuminator for Reticle Eyepieces

4.9 (28 Reviews) Read Reviews Write Review
Brand Agena AstroProducts
Part Number E-AG-CILL
Availability available

Product Info

Manufacturer Description

This is the same illuminator that we include with our popular Agena 20mm SWA Reticle Eyepiece. It is also offered separately as a replacement illuminator for many brands of reticle eyepieces on the market.

The adjustable brightness red LED (light emitting diode) illuminator features an all metal body with combination On/Off switch. It is threaded at one end to fit reticle eyepieces with a standard 8mm female threaded port (M8x0.75 thread specification). Requires two LR44 batteries (included). Weight = 1.1oz. Made in China.

This item has been tested to fit and work with the following reticle eyepieces:

  • Agena 12.5mm Wireless IRE (E-AG-IRE12.5) **
  • Agena 20mm SWA Wireless IRE (E-AG-SWA20IRE)
  • Antares 1.25" Illuminated Reticle Kellner Eyepiece - 10mm (#IRK10)
  • Antares 1.25" Illuminated Reticle Kellner Eyepiece - 27mm (#IRK27)
  • Astro-Tech 24mm Illuminated Centering Eyepiece (#AT24IL)
  • Celestron 1.25" Micro Guide Eyepiece - 12.5mm (#94171)
  • Meade 1.25" Plossl Wireless IRE - 9mm (#07068)
  • Meade 1.25" Wireless IRE - MA 12mm (#07066)
  • Meade 1.25" Wireless IR Astrometric Eyepiece - MA 12mm (#07069)
  • Meade 1.25" Plossl CCD Framing Eyepiece - 25mm (#07568)
  • Orion 20mm Illuminated Centering Telescope Eyepiece (#08239)

If your reticle eyepiece is not  listed above, then we cannot confirm whether this item will work for you or not.

** May not thread all the way into the eyepiece, but will still hold and work

Reviews

4.9 (Based on 28 Reviews) 100% of reviewers recommended this product.
Rating Distribution
Sort by
  • Date
  • Rating
  • Useful
    1. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by David L.
      1545108263
      Dec 17, 2018

      5.0 Crosshair reticle illuminator

      Pros:

      Cons:

      Comments:

      Fits perfectly on my Stellarvue EP. Illuminates very nicely at the lowest setting. Makes my 3 star alignments much easier and more accurate.

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

      This review was provided courtesy of AgenaAstro.com

    2. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by kenneth d.
      1542979875
      Nov 23, 2018

      5.0 Agena Cordless Illuminator for Reticle Eyepieces E-AG-CILL

      Pros:

      Cons:

      Comments:

      I hunted this illuminator after misplacing mine for the Takahashi 11x70 finder. It fits perfectly and has a very smooth brightness control with an excellent range of brightness. The off click stop is precise and positive. Easy to replace LR44 batteries and very well constructed. Highly recommend this illuminator which was $90 less than the replacement Takahashi original

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

      This review was provided courtesy of AgenaAstro.com

    3. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by Thomas B.
      1537959735
      Sep 26, 2018

      5.0 Resurrected old illuminated reticle

      Pros:

      Cons:

      Comments:

      Resurrected old illuminated reticle

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

      This review was provided courtesy of AgenaAstro.com

    4. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by John V.
      1537411411
      Sep 19, 2018

      5.0 Good quality

      Pros:

      Cons:

      Comments:

      I purchased this to replace the illuminator on a Tele Vue Starbeam finder, and it worked great!

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

      This review was provided courtesy of AgenaAstro.com

    5. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by Raymond M.
      1523312634
      Apr 9, 2018

      5.0 I own three of them

      Pros:

      Cons:

      Comments:

      I am an instrument builder, my current project is a classic spectroscope. It required illumination of the cross hair reticle and a back light for the slit jaws. I looked around but when I found the Agena and the references to the tap drill and tap so I could install them anywhere they were needed I knew I had my illuminators. I also assembled a 25mm illuminated reticle eyepiece and simply purchased another Agena. They all work as advertised and I am quite satisfied with their performance.

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

      This review was provided courtesy of AgenaAstro.com

    6. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by Tim W.
      1521441722
      Mar 18, 2018

      5.0 Well lit.

      Pros:

      Cons:

      Comments:

      A fine illuminator. I have a very nice reticle eyepiece (EP) that I needed an illuminator for, and several other illuminated EPs. I was able to take the other illuminators off and compare things and this one looked like the one that would fit. It does fit an illuminates perfectly well.

      If you have one that looks like this, it might just have the right threads and be a good fit.

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

      This review was provided courtesy of AgenaAstro.com

    7. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by Ivan R.
      1520263336
      Mar 5, 2018

      5.0 Agena reticle illuminator

      Pros:

      Cons:

      Comments:

      Fits well in Orion 20mm Illuminated Centering Telescope Eyepiece (#08239). Doesn't fit Celestron (RACI) Illuminated Finder and Orion Illuminated Finder Scope witch I own (they are after all not in list of tested reticle eyepieces). Good quality build, feels solid. I'm very satisfied with the purchase.

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

      This review was provided courtesy of AgenaAstro.com

    8. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by Paul S.
      1487899260
      Feb 23, 2017

      5.0 Agena reticle illuminator

      Pros:

      Cons:

      Comments:

      Works great. However, buyers should be aware that its not a perfect fit for ALL reticle units. But the construction is better than the illuminators that come with the stock illuminated reticles from Meade, Celestron & Orion. Happy with the product.

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

      This review was provided courtesy of AgenaAstro.com

    9. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by Keith K.
      1487374087
      Feb 17, 2017

      5.0 Agena cordless illuminator

      Pros:

      Cons:

      Comments:

      My old illuminator died and the agena screwed right on and works great.Thanks Agena Astro.

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

      This review was provided courtesy of AgenaAstro.com

    10. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by David L.
      1483016103
      Dec 29, 2016

      5.0 Works Great

      Pros:

      Cons:

      Comments:

      Shipping was fast and replacement illuminator for my finder works just fine.

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

      This review was provided courtesy of AgenaAstro.com

    11. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by JHolland of Searcy, AR.
      1475452800
      Oct 2, 2016

      5.0 Good Replacement Part

      Pros:

      Strong Construction,Easy to Use

      Cons:

      Comments:

      I bought this to replace a faulty illuminator in a 20mm illuminated eyepiece. It worked perfectly.

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

      This review was provided courtesy of AgenaAstro.com

    12. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by kk of San Diego.
      1454630400
      Feb 4, 2016

      5.0 Cordless Illuminator

      Pros:

      Strong Construction,Easy to Use,Accurate

      Cons:

      Comments:

      It is a very good product and has a good quality. The illumination is good.

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

      This review was provided courtesy of AgenaAstro.com

    13. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by Thrifty of Southern NH.
      1453593600
      Jan 23, 2016

      5.0 Does the job

      Pros:

      No

      Cons:

      No

      Comments:

      Well made, good value, and works as advertised. I coupled this Illuminator with my Meade Reticle Eyepiece. The Illuminator is a completely satisfactory replacement for the original stick illuminator on the Meade. The switch/dimmer on this Illuminator is of a larger diameter than the original on the Meade but I actually prefer the control size of this Illuminator.

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

      This review was provided courtesy of AgenaAstro.com

    14. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by Bird's Friend of Charlotte, NC.
      1436054400
      Jul 4, 2015

      5.0 No more toy control knobs

      Pros:

      Easy to Use,Fit Your Hand,Strong Construction,Rugged

      Cons:

      Comments:

      Unlike some many other illuminators the control/switch of this one has a solid feel. With some many other's, the pot and switch within the unit are the smaller, light duty, wimpy version and are apt to very easily fail, as I have seen many. This unit uses a heavier duty, more rugged, larger pot and switch yielding better and longer service and smother control.

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

      This review was provided courtesy of AgenaAstro.com

    15. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by stargazer0313 of Mattituck, NY.
      1427760000
      Mar 30, 2015

      5.0 A must have!

      Pros:

      Strong Construction,Easy to Use

      Cons:

      Comments:

      I used this to make an illuminator for my polar reticle alignment scope. Works perfect!

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

      This review was provided courtesy of AgenaAstro.com

    16. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by Max Headroom of Vail, AZ.
      1413676800
      Oct 18, 2014

      4.0 Valuable add-on

      Pros:

      Strong Construction,Easy to Use

      Cons:

      Heavy

      Comments:

      This reticle illuminator fits 2 different brands of illuminated reticle eyepieces I have. The construction is very robust and it appears reliable. it is a bit large and heavy compared to the plastic illuminators, but the metal construction is a big plus for longevity. I expect to have this for a long time.

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

      This review was provided courtesy of AgenaAstro.com

    17. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by Sandy of Marysville OH.
      1386460800
      Dec 7, 2013

      5.0 Works exactly as advertised!

      Pros:

      Compact,Lightweight,Strong Construction,Easy to Use

      Cons:

      Comments:

      This illuminator is very well adapted to my finder. Good control of brightness, especially when looking for fainter objects.

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

      This review was provided courtesy of AgenaAstro.com

    18. BigZ

      BigZ New Member

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by 2big2tall of Nottingham, NH.
      1378080000
      Sep 1, 2013

      5.0 Perfect replacement

      Pros:

      Strong Construction

      Cons:

      Comments:

      I bought the Agena Cordless Illuminator to replace the one of a different brand that came with a 50mm right angle finder that I'd purchased. The original one worked intermittently because a solder point within the switch/rheostat disconnected and I couldn't resolder it to the aluminum case. The Agena illuminator is built more solidly , and its switch/rheostat feels very positive and smooth in its action -- very satisfied.

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

      This review was provided courtesy of AgenaAstro.com

    19. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by Astrosandy of Bethlehem PA.
      1376092800
      Aug 9, 2013

      5.0 An Excellent Product

      Pros:

      Strong Construction,Easy to Use

      Cons:

      Comments:

      This is a well-machined, sturdy product with a dimmable red crosshairs.

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

      This review was provided courtesy of AgenaAstro.com

    20. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by C8er of New Zealand.
      1374969600
      Jul 27, 2013

      5.0 Excellent illuminator

      Pros:

      Easy to Use

      Cons:

      Comments:

      Bought this to replace a faulty illuminator on a cross hair eyepiece from another supplier and it does the job perfectly, with a good range of illumination levels available. Excellent.

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

      This review was provided courtesy of AgenaAstro.com

    21. davidt1828

      davidt1828 New Member

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by F15 Rules of England.
      1368835200
      May 17, 2013

      5.0 Great illuminator in every respect

      Pros:

      Build Quality,Strong Construction,Perfect Fit,Easy to Use

      Cons:

      Comments:

      I recently bought a nice new (old stock) Celestron 7x50 finderscope with aperture for illuminator but this was not supplied. I measured the thread and hoped the Agena product would fit...I was not disappointed. It's a solid, well machined item, with a very positive on/off mechanism. It fits perfectly into my Celestron Polaris Finderscope (Japan made, probably by Vixen). Highly recommended.

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

      This review was provided courtesy of AgenaAstro.com

    22. spongebob

      spongebob New Member

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by spongebob of NJ.
      1348272000
      Sep 21, 2012

      5.0 Simple and easy

      Pros:

      Easy to Use,Accurate,Strong Construction

      Cons:

      Comments:

      Simple and easy

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

      This review was provided courtesy of AgenaAstro.com

    23. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by mgk of Oakville, CA.
      1345680000
      Aug 22, 2012

      5.0 The Only one to buy!

      Pros:

      Strong Construction,Easy to Use

      Cons:

      Comments:

      You cannot find a better illuminator. This illuminator is bright! Lights up the crosshairs perfectly. The adjustment control allows you to tweak the light to whatever variation of brightness you choose. Do not be fooled. Even though it looks idential to other ones on the market this one is nothing like the other ones on the market. This one does what it says it does.

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

      This review was provided courtesy of AgenaAstro.com

    24. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by Dan of Cat Spring, TX.
      1341014400
      Jun 29, 2012

      5.0 Cordless Illuminator

      Pros:

      Strong Construction,Easy to Use,Well built quality

      Cons:

      Heavy

      Comments:

      Beats the other brands hands down.

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

      This review was provided courtesy of AgenaAstro.com

    25. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by MW of Texas.
      1341014400
      Jun 29, 2012

      5.0 Excellent Replacment

      Pros:

      Nicely machined,Strong Construction,Easy to Use

      Cons:

      Comments:

      I purchased this illuminator to replace one on my polar finder which proved unreliable. This unit is very well made, threaded in perfectly, and has a nice range of brightness adjustment - and the price was excellent.

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

      This review was provided courtesy of AgenaAstro.com

    26. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by TheChuckster of New Mexico.
      1326931200
      Jan 18, 2012

      5.0 Agena's Cordless Illuminator

      Pros:

      Compact,Lightweight,Easy to Use,Accurate

      Cons:

      Comments:

      Many eyepieces that are sold with illuminated reticles, are equipped with illuminators of poor quality. They often fail after just a few uses. Agena's reticle illuminator can be used as a direct replacement for the OEM-supplied unit. This illuminator has better machining and a higher build quality than most OEM units. I have used this one numerous times without a problem. The light is flicker-free and intensity can be controlled with the smoothly-operating mechanism.

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

      This review was provided courtesy of AgenaAstro.com

    27. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by voyager_camera of Japan.
      1325030400
      Dec 27, 2011

      4.0 Very good illuminator

      Pros:

      Cons:

      Comments:

      The click of this switch knob is slightly firm. Therefore, I rarely turn it on by mistake. And I can prevent the consumption of a useless battery. I experienced a problem not to sometimes turn on. The cause was because an electrode wire was not fixed with a solder. This is a very good illuminator if there is not this problem. Still I give a high evaluation point because this product is low-priced.

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

      This review was provided courtesy of AgenaAstro.com

    28. Guest

      Skill Level
      Unknown
      Time with Product
      Unknown
      User Notes:
      Review by Stargazer of Canfield, Ohio.
      1316304000
      Sep 17, 2011

      5.0 Perfect, high quality product

      Pros:

      Easy to Use,Strong Construction,Compact

      Cons:

      None

      Comments:

      Works absolutely perfect with my SV F-50 finder scope and SV 23mm illuminated reticle. Even illumination of crosshairs all the way to the edge of field. Brightness control very smooth and provides a continuous range of brightness. Solid METAL construction is strong, and has excellent build quality. If you need a replacement, this is the one to buy.

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

      This review was provided courtesy of AgenaAstro.com

    Sort by
    • Date
    • Rating
    • Useful