A system for interchangeably mounting a payload (102, 204) to a base support (104, 200), comprising: a platform (100, 202) including: a support assembly (106, 300) configured to be releasably coupled to a payload (102, 204) via a payload mount and configured to control a spatial disposition of the payload (102, 204), and a mounting assembly (110, 310) that is coupled to the support assembly (106, 300) and that is configured to be releasably coupled via a coupling mechanism to a plurality of types of base supports (104, 200) selected from at least two of the following: an aerial vehicle, a handheld support, or a base adapter mounted onto a movable object; the coupling mechanism (400, 500), the coupling mechanism (400, 500) including: a first portion (402, 502) and a second portion (404, 504) adapted to releasably couple to each other, wherein one of the first and second portions (402, 502, 404, 504) is configured to be situated on the base support (104, 200) and the other one of the first and second portions (402, 502, 404, 504) is situated on the platform (100, 202);and the payload mount, the payload mount including a first clamping portion, and second clamping portion, a first toothed section, a second toothed section, and a movable assembly, wherein the second clamping portion is configured to be fastened to the back of the first clamping portion to form an adjustable mount for securing the payload, wherein first clamping portion includes a channel shaped to receive the second clamping portion such that the second clamping portion can slide with respect to the first clamping portion, wherein the first toothed section is situated on a plate fastened within the channel of the first clamping portion or integrally formed within the channel of the first clamping portion, wherein teeth of the first toothed section are configured to engage teeth of the second toothed section, thereby securing the first and second clamping portions (602, 604) to each other, wherein the second clamping portion includes an aperture, the movable assembly includes a rod passing through a lever body of the movable assembly, wherein the ends of the rod are configured to be fixedly coupled to the second clamping portion at the two sides of the aperture, and wherein the second toothed section is situated on the lever body in a position configured to engage the first toothed section. a platform (100, 202) including: a support assembly (106, 300) configured to be releasably coupled to a payload (102, 204) via a payload mount and configured to control a spatial disposition of the payload (102, 204), and a mounting assembly (110, 310) that is coupled to the support assembly (106, 300) and that is configured to be releasably coupled via a coupling mechanism to a plurality of types of base supports (104, 200) selected from at least two of the following: an aerial vehicle, a handheld support, or a base adapter mounted onto a movable object; a support assembly (106, 300) configured to be releasably coupled to a payload (102, 204) via a payload mount and configured to control a spatial disposition of the payload (102, 204), and a mounting assembly (110, 310) that is coupled to the support assembly (106, 300) and that is configured to be releasably coupled via a coupling mechanism to a plurality of types of base supports (104, 200) selected from at least two of the following: an aerial vehicle, a handheld support, or a base adapter mounted onto a movable object; the coupling mechanism (400, 500), the coupling mechanism (400, 500) including: a first portion (402, 502) and a second portion (404, 504) adapted to releasably couple to each other, wherein one of the first and second portions (402, 502, 404, 504) is configured to be situated on the base support (104, 200) and the other one of the first and second portions (402, 502, 404, 504) is situated on the platform (100, 202);and the payload mount, the payload mount including a first clamping portion, and second clamping portion, a first toothed section, a second toothed section, and a movable assembly, wherein the second clamping portion is configured to be fastened to the back of the first clamping portion to form an adjustable mount for securing the payload, wherein first clamping portion includes a channel shaped to receive the second clamping portion such that the second clamping portion can slide with respect to the first clamping portion, wherein the first toothed section is situated on a plate fastened within the channel of the first clamping portion or integrally formed within the channel of the first clamping portion, wherein teeth of the first toothed section are configured to engage teeth of the second toothed section, thereby securing the first and second clamping portions (602, 604) to each other, wherein the second clamping portion includes an aperture, the movable assembly includes a rod passing through a lever body of the movable assembly, wherein the ends of the rod are configured to be fixedly coupled to the second clamping portion at the two sides of the aperture, and wherein the second toothed section is situated on the lever body in a position configured to engage the first toothed section.