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vincentm
- 323
- 3
Is there any kits i can purchase? I'd like to avoid diffraction as much as possible.
mgb_phys said:The only alternative (except possibly magnetic leviation) would be to stick it on a sheet of plane glass.
turbo-1 said: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.
tony873004 said:What's the advantage of using a curved spider arm over a straight one?
mgb_phys said:The only alternative (except possibly magnetic leviation) would be to stick it on a sheet of plane glass.
A spider free mount for a secondary mirror is a type of mounting system that holds the secondary mirror in a telescope without the use of a traditional spider. The spider is the metal framework that holds the secondary mirror and its support vanes in place. A spider free mount eliminates this framework, allowing for better light transmission and a clearer view.
A spider free mount can improve the performance of a telescope by reducing diffraction and increasing light transmission. Without the obstruction of a spider, the secondary mirror is able to gather more light and produce a sharper image.
The main advantage of a spider free mount is improved image quality. As mentioned before, it allows for better light transmission and reduces diffraction, resulting in a sharper and clearer view. Additionally, a spider free mount can also reduce the weight of a telescope, making it easier to transport and set up.
One potential disadvantage of a spider free mount is cost. These mounting systems can be more expensive than traditional spider mounts. Additionally, a spider free mount may require more maintenance and adjustments to keep the secondary mirror in proper alignment.
Not all telescopes are compatible with a spider free mount for a secondary mirror. This type of mounting system is most commonly found on high-end telescopes and may not be available for all models. It is important to check with the manufacturer or a knowledgeable salesperson to determine if a spider free mount is suitable for your telescope.