Panasonic LUMIX DMC-GF6K Series Service Manual page 11

3.3.3. Lens Unit (Interchangeable Lens: H-FS1442A)
3.3.3.1. About Lens Main Block Unit (Ref. 308)
1. LENS MAIN BLOCK UNIT (Ref. 308) is not supplied due to difficulty of the transportation issue (Fragile, Dust-free packing),
and requires critical lens adjustments.
Therefore, any needs of the "LENS MAIN BLOCK UNIT" (Ref. 308), carefully confirm its performance in advance.
2. Once "LENS MAIN BLOCK UNIT" (Ref. 308) is confirmed as defective, place order "LENS Unit" (Ref. 300) and replace
SHADING FRAME (Ref. 302), to maintain Serial number of owner's original lens.
Fig. S3
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