Saved me from buying another Cheshire with out the crosshairs. I found that I had to back out the screw I put in by about a 1/32 turn. When I put the screw back in inially I tightened it down to the same level as the other two push screws. Includes two 100mm (ID) adjustable guidescope rings with large delrin tipped thumb screws.
Agena astro scope rings series#
I found a post on the internet that said just unscrew the crosshair piece and it would work much better. Additional information Reviews (2) Fits V Series saddles. I tried it but was having a hard time seeing the donut becuase of the crosshairs in the eyepiece. I bought the Agena Cheshire Collimation Eyepiece to check and make sure that it was still collimated. When I got it one of the push screws in the lens cell had fallen out inside the dew shield. I bought a ES AR152 6" refractor about a month ago. Quality Lenses,Easy to Use,Accurate,Lightweight,Strong Construction,Compact Cons: This will have no impact on its performance.ĥ.0 Cheshire Collimation Eyepiece and ES AR1 Pros: This is a manufacturing artifact and not a defect.
Use of this item assumes that your focuser is aligned properly with your telescope tube.This Cheshire eyepiece fits in 1.25" focusers or in 2"-1.25" adapters. As with most other telescope collimation/alignment procedures, use of this accessory requires patience and experience. The dual images can sometimes be hard to see (especially in very bright or very faint light) but you will see them. No additional instructions are included with this product, but you can easily find additional information about Cheshire eyepieces and their use on the internet.
Thats it! With precise collimation, your refractor telescope will deliver the best image it can. Adjust the objective cell's push-pull bolts until the small circles merge into one. For examples and more information about this policy, please see our. We also do not offer subjective opinions about compatibility with your specific telescope, optical performance or comparison between products. PLEASE NOTE: We do not make specific product recommendations. You will see one or more small faint circles (usually overlapping) near the center. Have a question or comment Please submit the form below. Look into the small opening at the top of the eyepiece. Use natural daylight or shine a flashlight into the side opening with the 45-deg angled silver plate. To use this eyepiece, simply cap the telescope, remove the diagonal, and place the eyepiece directly in the focuser. As long as I can see and lock onto a guide star and not worry about flexure I should be good.Is collimating your refractor a real chore? Collimating your refractor is quick and easy when you use this 1.25" Cheshire collimating eyepiece. I need a rigid compact mounting that will hold the guide scope rigid and point in generally the right direction. Why am I mounting the guide scope with a finder bracket? A finder bracket needs fine adjustments that allow the finder scope to be pointed precisely where the main scope is pointed. I plan on lining it with custom closed-cell foam, and I should be good to go.īut measuring up the sizes got me to thinking (I know - scary - right?).
So up getting a heavy-duty locking tool case for it that was waterproof and dustproof. What about the optical tube assembly? Hmm - I found a lot of $350 cases that might work for that - but I am just going to put it in the car and travel with it - I am not flying with it. I got eh 14”x14” hard case for the IOptron CEM26 - so that was covered. I found an inexpensive padded tripod case from Amazon - that would handle one part. I somehow lost the two screws that will hold the guide camera in the scope. So I started thinking about how in fact I would transport this thing. Added a bracket and guide scope to the RedCat today. The whole point behind the Askar FRA400 platform is portability.
Agena astro scope rings portable#
Making the Portable Rig a Bit More Portable!
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