用户期望将这个成本尽可能降到最低。
Existing telescopes could even be modified, bringing the cost down further.因为现有的望远镜可以被改造成适用于该项目,预计总花销可进一步降低。
"To keep the cost down we went with lenses that aren corrected for many aberrations, " he says.“为保证价格低廉,我们设计的镜头不能完全矫正畸变或其他失常。” 他说。