Is there any kits i can purchase? I'd like to avoid diffraction as much as possible.
Ok, that makes sense turbo, I've purchased all the parts in order to make mine curved (hack saw blades via the scopemaking.net guide), i was just curious about pursuing this route.Your best bet is to look into a spider with smoothly curved arms. If you fastened a secondary to an optical flat, you would introduce two more air-glass surfaces and decrease the contrast of your scope. Curve-arm spiders have been in use for many years.
The difraction spikes instead of being distinct crosses around each star will be smeared out. Since each point in the spider will create a weaker diffraction spike at a different rotation angle.What's the advantage of using a curved spider arm over a straight one?