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Item
Submitted By
Farpoint Bahtinov Focus Mask for DSLR Camera Lens w/ 52mm Filter Thread # FP438
Farpoint Bahtinov Focus Mask for DSLR Camera Lens w/ 52mm Filter Thread # FP438
5.0
Works Very Well
The mask works as advertised and helps me to focus when using my Canon T2i and 135mm lens. With the smaller FL lens, I use a higher than normal ISO (3200) and have the aperture wide open (F/2.8) and focus on a bright star. I don't bother shootin...
GSO 2
GSO 2" Crayford Focuser for Refractors - Dual Speed (with 112.5mm Telescope Adapter)
5.0
I have purchased several GSO
I have purchased several GSO 2-speed focusers and they all work great !
HoTech 1.25
HoTech 1.25" SCA Laser Collimator - Crosshair
5.0
Great product.
Works as advertised. I own a cheaper laser collimator that would wiggle in the barrel. This Hotech collimator holds nice and firm giving a more accurate alignment. With the laser crosshair, aligning the mirrors is much easier. Worth the extra money t...
Bob's Knobs for Celestron C8 f/10 Post-1980 Secondary with Standard Collimation Screw Threads # C8std
Bob's Knobs for Celestron C8 f/10 Post-1980 Secondary with Standard Collimation Screw...
5.0
A must for easy collimation!
great product with fantastic support from AgenaAstro when I had questions as to which product would fit my '90's C8.
Agena 1.25
Agena 1.25" Starguider Dual ED Eyepiece - 12mm
5.0
Good at f/5
I purchased this for use with 130mm f/5 Newtonian reflector. There's astigmatism near the edge of the field, as one would expect with a fast scope, but it's not objectionable. With an inexpensive barlow lens most of the edge astigmatism dis...
GSO 2
GSO 2" Linear Bearing Crayford Focuser for Refractors - Dual Speed (with 86.4mm Flange)
5.0
GSO linear bearing focuser - Perfect!
This is probably one of the best focuser's you can upgrade to for what it is. Totally smooth draw, zero back lash. Amazing micrometer control. Why go with a feather-touch focuser that costs 2.5 times more when this thing is equally comparable? ...
GSO 1.25
GSO 1.25" Plossl Eyepiece - 20mm
4.0
Excellent value
Beautiful, crisp views. I'm a beginning astronomer, but have used pro still and video equipment for years. I'm impressed by the build quality and the clear views this eyepiece affords.
Telrad Telescope Reflex Finder with Mounting Base # 1001
Telrad Telescope Reflex Finder with Mounting Base # 1001
5.0
Replacement for old Telrad
My old Telrad is slowly going south so time to get a new one. When the time is taken to properly sync this device with the eyepiece view, it becomes a wonderful aid for being sure an object is centered in the eyepiece. Low tech with high functionalit...
Extra Mounting Base for Telrad Reflex Finder # 2001
Extra Mounting Base for Telrad Reflex Finder # 2001
5.0
Telrad: can't live without it!
An extra base makes it easy to move my Telrad from one 'scope to another. For a week or two I used my new telescope without the Telrad and missed it sorely.
Blue Fireball T / T2 Male Thread to SCT Male & M48 (2
Blue Fireball T / T2 Male Thread to SCT Male & M48 (2" Filter) Female Thread Adapter...
5.0
Used to convert Celestron Finder for Guide scope
I used it to convert Celestron Finder come with EdgeHD 8" to Guide Scope. It worked great.
Unihedron Sky Quality Meter with Lens - Narrow Field of View # SQM-L
Unihedron Sky Quality Meter with Lens - Narrow Field of View # SQM-L
5.0
Sky Quality Meter
I've always wondered about the sky brightness above my home observatory and now I know. My sky quality on a clear Moonless night is 20.45. Decent for astrophotography.
Blue Fireball SCT Female Thread to T / T2 Male Thread Adapter (Low Profile)  # T-01
Blue Fireball SCT Female Thread to T / T2 Male Thread Adapter (Low Profile) # T-01
5.0
For backfocus sensitive applications
If you have a filterwheel and OAG, you are going to need this.

Keep in mind that unlike other SCT adapters, this is a single piece. There is no rotation ability. Combines well with a slimline T-Thread rotator.
Telrad Telescope Reflex Finder with Mounting Base # 1001
Telrad Telescope Reflex Finder with Mounting Base # 1001
4.0
Best for my useage
This review will be of no use to anyone interested in telescope use. The telerad spotter seems to be the best item for my needs. I use it for both theater and concert spot light sighting in low to no light and after trying other products I (and man...
Agena 1.25
Agena 1.25" Super Wide Angle (SWA) Eyepiece - 10mm
5.0
Agena 1.25" Super Wide Angle (SWA) Eyepiece - 10mm
I'm a beginner but there is definitely a bid difference between the stock eyepiece and this one. Yes, this is a super wide angle and the stock was not. The clarity is much better and eye relief is much better. You can also tell by the weight of ...
William Optics SCT Thread Adapter for 2
William Optics SCT Thread Adapter for 2" Diagonal
5.0
Great SCT to 2”
This adapter minimizes back focus added to the optical path. I purchased this to attach to Orion’s 2” dielectric diagonal directly to the back of my 150mm MAK. This adapter also allowed me to add a focal reducer without having any focusing issues...
GSO 1.25
GSO 1.25" Newtonian Deluxe Laser Collimator III
4.0
Works Well
Very economical tool that worked for collimating my Newtonian scope. Knowing what I know now I would recommend spending more for one that has variable brightness for the laser.
HoTech Astro Aimer Gen II - Green Laser and LED Flashlight
HoTech Astro Aimer Gen II - Green Laser and LED Flashlight
5.0
Astro Aimer
Excellent quality, excellent product. If you can afford it go for it.
Extra Mounting Base for Telrad Reflex Finder # 2001
Extra Mounting Base for Telrad Reflex Finder # 2001
5.0
works as expected
works as expected