Optical assembly

An optical assembly (1) comprising a first optical group (10) and a second optical group (20) arranged along an optical axis (OA), wherein the first optical group (10) comprises a first rigid lens (11) and a first liquid lens portion (12) that is arranged on a first surface (11-1) of the first rigid lens (11), wherein the second optical group (20) comprises a second rigid lens (21), wherein the first liquid lens portion (12) is arranged between the first and the second rigid lens (11, 21) and comprises at least one deformable surface portion (12-1) facing towards a contact surface (20-2) of the second optical group (20), wherein the optical assembly (1) is configured to adopt a first state (s1) and a second state (s2), wherein in the first state (s1), a gap (30) along the optical axis (OA) is formed between the deformable surface portion (12-1) of the first liquid lens portion (12) and the contact surface (20-2) of the second optical group (20), wherein in the second state (s2), the deformable surface portion (12-1) of the first liquid lens portion (12) abuts the contact surface (20-2) of the second optical group (20) and assumes a contact shape in a contact region (200) of the contact surface (20-2).