What focuser is that?
What focuser is that?
@Blablabliam A generic 2" GSO crayford, listed as "TPO focuser for RC telescopes"
If you use these, make sure to go heavy on the epoxy - using something fine (I used pine needles) to push it down into the bottom. I've had two of these end up failing under *heavy* use/stress testing (lifting the 75lb OTA by the trusses)
Here you can see the spider in action, "levitating" the secondary mirror in my 16-inch dobsonian. Note that this isn't very fun to string up without a jig, and you will poke your fingers many times with tiny steel wire tips.
(The blood price for such magic being imparted to your telescope) (edited)
(This telescope won the TSP ATM contest, so shoutout to @SashaD_405633 for helping pioneer amateur hexapods)
Printing these very nice looking metric parts :)
@matt I've also adapted the mirror cell to match M4 nuts as I understood there needs to be some there, am I wrong?
Thanks for sharing !
@Paco Do you have the remix for the Cell? I'd appreciate it!
@PrusaLegend_345136 Check AH’s remixes
Fits the Hadley perfectly but I found the outer diameter to be too small. I figure tube ring clamps probably vary quite abit, had to add some foam tape the ensure a snug fit with the clamp.
I also found the 10-24 version screw holes were too small. Had to drill them out some. I did not have this issue with other other Hadley parts. (edited)
@Gyoenastaader Pass thru is a great idea, I'll eventually add it to these. Thanks for testing, I didn't have problems with my m4 version but #10-24 was untested. This whole thing is experimental, since I don't use equatorial mounts - but I figured it'd be helpful for some people. (edited)
@Maff It was extremely helpful to have these as reference. Someone has to come up with the first idea for everyone else to iterate on.
I bought a kit from Kissner Optik, and it was really smooth to put together. Used ~1kg of PLA+, for the scope and the rocker, without any failed parts- but I used 4 perimeters (~2mm walls) and high density gyroid infill on all of the parts. The photos I've taken are with my phone camera held up to the eyepiece, with Saturn being the only one that I took a video and stacked with minimal processing.
Kit was $100, aluminum rods were $15, filament was $25, and that was everything that I needed. Kit came with a 17.5mm eyepiece, with which I took the moon and Jupiter photos, and bought a 6mm eyepiece for $40 with which the Saturn photo was taken. The rocker is slightly modified from the original design, with 1/2in electrical conduit ($7) and is 31 inches tall, significantly taller than most I see.
Across the board, photos are a far cry from what I was seeing with my eyes through the scope (which was much sharper). I'm extremely amateur at astrophotography, this is my first telescope. There are much better results that others have gotten but don't be worried if you're new too- the barrier to entry is very low with this telescope, and there are many helpful people in the discord to help you if you need it.
Maff, this is really awesome!!
Attached are some of my assembly notes, just in case they might do someone a little good. (Just look at the spare time one has when retired!)
@bnass725_354092 Wow, look at these. My only comment would be that the glue does indeed go on the raised bumps. With such a small mirror, it may not be a huge issue (this is critical in larger mirrors) - but mirrors bend nanoscopically under their own weight. So the three raised points are at the precise places which minimize this.