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View the Latest Optical Accessory Reviews
Item
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Baader 2" MPCC Multi Purpose Coma Corrector - New MkIII Version # MPCC 2458400
Baader MPCC for Visual Use
I purchased the Baader MPCC for use with my 16" F 4.5 Meade Lightbridge dobsonian telescope. This scope has quite a fast F ratio so a coma corrector is required to get the best performance from widefield eyepieces. I did quite a bit of research bef...
I purchased the Baader MPCC for use with my 16" F 4.5 Meade Lightbridge dobsonian telescope. This scope has quite a fast F ratio so a coma corrector is required to get the best performance from widefield eyepieces. I did quite a bit of research bef...
Feb 23, 2009
GSO 1.25" 5x Apochromatic Barlow Lens # BL501
An excellent buy at an affordable price!
I bought this barlow shortly before the opposition of Mars in December of '07. The views through my 10" reflector were surprisingly crisp, even though I surpassed the power rule of 50x per inch of aperature. Another great feature is the fact that it ...
I bought this barlow shortly before the opposition of Mars in December of '07. The views through my 10" reflector were surprisingly crisp, even though I surpassed the power rule of 50x per inch of aperature. Another great feature is the fact that it ...
GSO 1.25" 45-deg Erect Image Amici Prism Diagonal # PD45
Correct image
This is the diagonal I use the most, I have a window on my office that looks to the ocean and I like this diagonal on my 80mm refractor (that lives there) just to look ships on the horizon, also the greenflash is stuning. I love to see things on the ...
This is the diagonal I use the most, I have a window on my office that looks to the ocean and I like this diagonal on my 80mm refractor (that lives there) just to look ships on the horizon, also the greenflash is stuning. I love to see things on the ...
William Optics 1.25" 45-deg Erecting Prism Diagonal
A Fine Erecting Diagonal
I wanted a 45 degree erecting diagonal to use with my 6" f5 achro. I have a nice 90 degree diagonal for stargazing, and the erecting diagonal was to be for casual terrestrial use. First I tried a model from one of the major mass astro sellers. It did...
I wanted a 45 degree erecting diagonal to use with my 6" f5 achro. I have a nice 90 degree diagonal for stargazing, and the erecting diagonal was to be for casual terrestrial use. First I tried a model from one of the major mass astro sellers. It did...
Extra Mounting Base for Telrad Reflex Finder # 2001
Cheap base for excelent finder
I ordered this base to use my telrad in more than one telescope, it arrived with metal screws, better tah the plastic ones I recieved on the original Telrad.
It is very easy to change the telrad from scope to scope.
I ordered this base to use my telrad in more than one telescope, it arrived with metal screws, better tah the plastic ones I recieved on the original Telrad.
It is very easy to change the telrad from scope to scope.
William Optics Finder Bracket for 50mm Finders
Strong, light and beautifull
These finder rings are great, I can shift it from my 13.1 inch dobsonian to my WO 80mm Megrez very quick, also in summer time I like to use a green lasser instead of the optic finder, wich I prefer to use on cold days when the green laser doesn't wor...
These finder rings are great, I can shift it from my 13.1 inch dobsonian to my WO 80mm Megrez very quick, also in summer time I like to use a green lasser instead of the optic finder, wich I prefer to use on cold days when the green laser doesn't wor...
Meade Series 4000 #126 1.25" 2x Short-Focus Barlow Lens # 07273
Nice barlow
I got this Barlow years ago and I always wanted a TeleVue Powermate, last RTMC I got the 2.5 powermate, it costs 4 times the price of the Barlow that I already had, and sadly only a little visual difference. Now that I have both, the one I use the m...
I got this Barlow years ago and I always wanted a TeleVue Powermate, last RTMC I got the 2.5 powermate, it costs 4 times the price of the Barlow that I already had, and sadly only a little visual difference. Now that I have both, the one I use the m...
Meade Series 4000 #905 1.25" Variable Polarizing Filter # 07286
Great for solar observing with Herschel Wedge
I love this filter. I use it between a Herschel wedge and the eyepiece for solar observing. Changing the eyepieces changes the magnification and the brightness of the image, and with this variable filter you can change the brightness to your convien...
I love this filter. I use it between a Herschel wedge and the eyepiece for solar observing. Changing the eyepieces changes the magnification and the brightness of the image, and with this variable filter you can change the brightness to your convien...
William Optics 1.25" Binoviewer Package (with 1.25" Wide Angle Eyepieces and 1.6x Barlow)
William Optics Binoviewer
I picked up a used William Optics binoviewer over the winter months and am very pleased with what I've seen and done so far. The binoviewer has 22mm clear aperture with bak 4 prisms. All glass is fully multi-coated. Also, the binoviewer has sepa...
I picked up a used William Optics binoviewer over the winter months and am very pleased with what I've seen and done so far. The binoviewer has 22mm clear aperture with bak 4 prisms. All glass is fully multi-coated. Also, the binoviewer has sepa...
Feb 15, 2009
GSO 2" 90-deg Mirror Diagonal for SCTs
Very well made, Nice upgrade
Purchased for C8 to replace a stock 1 1/4. The stock diagonal had visible distortion and smearing when attempting collimation - (sigh) disappointing but pretty much junk. If you are wondering why during collimation you get long rainbow looking smears...
Purchased for C8 to replace a stock 1 1/4. The stock diagonal had visible distortion and smearing when attempting collimation - (sigh) disappointing but pretty much junk. If you are wondering why during collimation you get long rainbow looking smears...
GSO 2" 90-deg Mirror Diagonal for Refractors
Very Capable Product
I wanted a 2" diagnonal but felt the high prices for some of the "99%" reflectivity diagnoals was difficult to justify and based in part on hype. I am not an optics expert but I have doubts the human eye can really discern the difference between a 92...
I wanted a 2" diagnonal but felt the high prices for some of the "99%" reflectivity diagnoals was difficult to justify and based in part on hype. I am not an optics expert but I have doubts the human eye can really discern the difference between a 92...
GSO 8x50mm Right Angle Correct-Image Finder with Bracket
Great Inexpensive Replacement Finder
Like most production-run telescopes, mine came with a 6x30 straight-through finder that was useless for anything but daylight use. Images were not very bright, they were upside-down and flipped right-to-left and not having a diagonal, my neck would h...
Like most production-run telescopes, mine came with a 6x30 straight-through finder that was useless for anything but daylight use. Images were not very bright, they were upside-down and flipped right-to-left and not having a diagonal, my neck would h...
Feb 3, 2009
GSO 2" 2x ED Barlow Lens # GS22B
GSO 2" ED 2x barlow
I recently decided to try some 2" eyepieces having never owned one before. This brought up the need for a 2" barlow, but which one? Since I have two achromatic refractors, I need to use a minus V filter and skyglow filter. My filters are 2" and I usu...
I recently decided to try some 2" eyepieces having never owned one before. This brought up the need for a 2" barlow, but which one? Since I have two achromatic refractors, I need to use a minus V filter and skyglow filter. My filters are 2" and I usu...
Feb 2, 2009
GSO 1.25" 2x "Shorty" Achromatic Barlow Lens # GS2BL
A fine product at a great price
Having come of age back in the day when barlow was a dirty word, I was never particularly interested in revisiting this kind of accessory. In the mid 70's barlows promised big and never delivered, with dinky field lenses that looked like the 0.965 un...
Having come of age back in the day when barlow was a dirty word, I was never particularly interested in revisiting this kind of accessory. In the mid 70's barlows promised big and never delivered, with dinky field lenses that looked like the 0.965 un...
GSO 1.25" 0.5x Focal Reducer
Very good performance!
I really wasn't expecting too much from this focal reducer because of the price. I was sure surprised! While I haven't had the opportunity to fully put it through its paces, I am so far quite pleased with its results. I have used it with a variety o...
I really wasn't expecting too much from this focal reducer because of the price. I was sure surprised! While I haven't had the opportunity to fully put it through its paces, I am so far quite pleased with its results. I have used it with a variety o...
Feb 2, 2009
Agena Synta / Vixen Style Dovetail Mounting Base / Shoe for Finders - M4 Screw for GSO...
Crayford focuser finder base
When ordering my GSO 2-speed Crayford focuser from Agena AstroProducts recently, a discount was offered if the Agena Finder Mounting Base for Crayfords was also purchased. Well, I love a deal, so I ordered one. The Finder Base has been modified with...
When ordering my GSO 2-speed Crayford focuser from Agena AstroProducts recently, a discount was offered if the Agena Finder Mounting Base for Crayfords was also purchased. Well, I love a deal, so I ordered one. The Finder Base has been modified with...
Feb 1, 2009
GSO 1.25" 2x "Shorty" Achromatic Barlow Lens # GS2BL
Works for me!
I am very happy with the versatility of this barlow. The direct-screw-on option that basically can make every eyepiece you have get three different magnifications can't be beat, it's a great idea. I use it regularly (I in fact keep it in place when n...
I am very happy with the versatility of this barlow. The direct-screw-on option that basically can make every eyepiece you have get three different magnifications can't be beat, it's a great idea. I use it regularly (I in fact keep it in place when n...
Tele Vue 1.25" 2.5x Powermate # PMT-2513
Powermate 2.5x (1.25")
After having used the Meade Apo Barlow, two Televue 2x and the Televue big barlow, I decided to buy a Powermate (new model with filter threads). This improved barlow lets you maintain the original eyerelief of the EP used. My experience is that it...
After having used the Meade Apo Barlow, two Televue 2x and the Televue big barlow, I decided to buy a Powermate (new model with filter threads). This improved barlow lets you maintain the original eyerelief of the EP used. My experience is that it...
Jan 16, 2009
Antares f/6.3 Focal Reducer for Schmidt-Cassegrain Telescopes
Excellent reducer for SCT
I bought this item from agenaastro.com, and I tried it on my Meade LX90. It works great (with my W.O. 20mm Superwide). No problem for focus. Very sharp views! Price is very good. I expect to use it with my Celestron C9.25. Work good too with my EOS3...
I bought this item from agenaastro.com, and I tried it on my Meade LX90. It works great (with my W.O. 20mm Superwide). No problem for focus. Very sharp views! Price is very good. I expect to use it with my Celestron C9.25. Work good too with my EOS3...
Jan 14, 2009
GSO 8x50mm Right Angle Correct-Image Finder with Bracket
GSO 8x50mm Right Angle Correct Image Finder
I recently purchased a gently used Vixen ED80Sf. The package included an 8x50 straight-through finder and other accessories. I’ve always preferred right-angle finders so I decided to upgrade, but I wanted a white finder to match the original. ...
I recently purchased a gently used Vixen ED80Sf. The package included an 8x50 straight-through finder and other accessories. I’ve always preferred right-angle finders so I decided to upgrade, but I wanted a white finder to match the original. ...
Jan 6, 2009
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