The lens is centered and ready to be blocked.
To block the lens, refer to the section Centering a lens > Blocking a lens (F p.62).
7. BLOCKING A LENS
This section describes the procedures for lens blocking depending on the selected option:
• Blocking preparation (F p.62)
• Blocking (F p.64)
a. Prepare blocking
Several accessories are available to perform blocking:
• Posiblocks and pads
• Tubes
Posiblocks and pads
1. 22 mm posiblock
2. 18 × 14 mm posiblock
3. Magnet
4. Fin
5. Tab
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