An optical system is provided, including: a base; a first driving module, including: a first holder configured to receive a first optical element and having a first side; a first coil disposed on the first holder; at least one first magnet adjacent to the first coil; and a second driving module, including: a second holder configured to receive a second optical element and having a second side; a second coil disposed on the second holder; and at least one second magnet adjacent to the second coil; wherein the first side is adjacent to the second side, and no magnet is disposed on the first side or the second side.

An optical system is provided, including: a base; a first driving module, including: a first holder configured to receive a first optical element and having a first side; a first coil disposed on the first holder; at least one first magnet adjacent to the first coil; and a second driving module, including: a second holder configured to receive a second optical element and having a second side; a second coil disposed on the second holder; and at least one second magnet adjacent to the second coil; wherein the first side is adjacent to the second side, and no magnet is disposed on the first side or the second side.

A lens module is provided, including: a lens barrel including first and second barrel walls; and a set of lenses received in the lens barrel and including at least a first lens and a second lens arranged from an object side to an image side. The first lens includes a first optical portion and a first peripheral portion surrounding the first optical portion. A surface of the first barrel wall close to the image side includes a first planar surface extending horizontally towards an optical axis from a position where the first barrel wall is connected to the second barrel wall; a first oblique surface extending obliquely from the first planar surface towards the optical axis and towards the image side; and a second planar surface extending horizontally from the first oblique surface towards the optical axis.

A lens module includes a lens barrel and a lens group having a first second lenses. An image side surface of a first barrel wall includes a first planar surface, a first oblique surface extending towards the optical axis and towards the image side, and a second planar surface. An object side surface of a peripheral portion of the first lens includes a third planar surface attached to the first planar surface and a second oblique surface attached to the first oblique surface. An image side surface of the peripheral portion of the first lens includes a fifth planar surface, a third oblique surface extending towards the optical axis and towards the image side, and a sixth planar surface. An object side surface of the second lens includes a seventh planar surface attached to the fifth planar surface and a fourth oblique surface paced apart from the third oblique surface.

A lens module is provided, including: a lens barrel including first and second barrel walls; and a set of lenses received in the lens barrel and including at least a first lens and a second lens arranged from an object side to an image side. The first lens includes a first optical portion and a first peripheral portion surrounding the first optical portion. A surface of the first barrel wall close to the image side includes a first planar surface extending horizontally towards an optical axis from a position where the first barrel wall is connected to the second barrel wall; a first oblique surface extending obliquely from the first planar surface towards the optical axis and towards the image side; and a second planar surface extending horizontally from the first oblique surface towards the optical axis.

A lens module includes a lens barrel and a lens group having a first second lenses. An image side surface of a first barrel wall includes a first planar surface, a first oblique surface extending towards the optical axis and towards the image side, and a second planar surface. An object side surface of a peripheral portion of the first lens includes a third planar surface attached to the first planar surface and a second oblique surface attached to the first oblique surface. An image side surface of the peripheral portion of the first lens includes a fifth planar surface, a third oblique surface extending towards the optical axis and towards the image side, and a sixth planar surface. An object side surface of the second lens includes a seventh planar surface attached to the fifth planar surface and a fourth oblique surface paced apart from the third oblique surface.

An optical system is provided, including: a base; a first driving module, including: a first holder configured to receive a first optical element and having a first side; a first coil disposed on the first holder; at least one first magnet adjacent to the first coil; and a second driving module, including: a second holder configured to receive a second optical element and having a second side; a second coil disposed on the second holder; and at least one second magnet adjacent to the second coil; wherein the first side is adjacent to the second side, and no magnet is disposed on the first side or the second side.

An optical system is provided, including: a base; a first driving module, including: a first holder configured to receive a first optical element and having a first side; a first coil disposed on the first holder; at least one first magnet adjacent to the first coil; and a second driving module, including: a second holder configured to receive a second optical element and having a second side; a second coil disposed on the second holder; and at least one second magnet adjacent to the second coil; wherein the first side is adjacent to the second side, and no magnet is disposed on the first side or the second side.

An optical system is provided, including a base, a first lens driving module and a second lens driving module. The first lens driving module includes a first holder, a first magnet, and a first coil corresponding to the first magnet, wherein the first holder is used to hold a first optical element and has a first side. The second lens driving module includes a second holder, a second magnet, and a second coil corresponding to the second magnet, wherein the second holder is used to hold a second optical element and has a second side. The first side is adjacent and parallel to the second side, and no magnet is disposed on the first side or second side.

An optical system is provided, including a base, a first lens driving module and a second lens driving module. The first lens driving module includes a first holder, a first magnet, and a first coil corresponding to the first magnet, wherein the first holder is used to hold a first optical element and has a first side. The second lens driving module includes a second holder, a second magnet, and a second coil corresponding to the second magnet, wherein the second holder is used to hold a second optical element and has a second side. The first side is adjacent and parallel to the second side, and no magnet is disposed on the first side or second side.