[自制DIY] 手工磨制口径240毫米抛物面反射镜 |
| |
|
|
| |
|
|
| |
|
|
点评
这一段没看懂,估计磨掉了96%,做到了磨到96%,计算误差1/5波长,判断精度要乘1/2,这样精度就是1/10波长。
| |
|
|
| |
|
|
|
|
| |
|
|
| |
|
|
|
| |
|
|
| |
|
|
| |
|
|
| |
|
|
| |
|
|
|
| |
|
|
| |
|
|
APP下載|手机版|爱牧夫天文淘宝店|牧夫天文网 ( 公安备案号21021102000967 )|网站地图|辽ICP备19018387号
GMT+8, 2024-11-16 14:34 , Processed in 0.262800 second(s), 18 queries , Gzip On, Redis On.