Regular maintenance of the primary mirror
■ The primary mirror with its aluminum coating removed
The various equipment required to repeat vapor deposition of aluminum on the primary mirror is housed under the dome.
■ Electroplated primary mirror
The Subaru Telescope itself
Regular maintenance of the primary mirror
To maintain the mirror's reflective performance, the aluminum coating (the reflective layer) is reapplied every few years.
Regular maintenance of the primary mirror
■ The primary mirror with its aluminum coating removed
The various equipment required to repeat vapor deposition of aluminum on the primary mirror is housed under the dome.
■ Electroplated primary mirror
