# What changed between A7R4 and LR1 Payload? Major changes and improvements from A7R4 Payload to the LR1 Payload: * Decreased weight and increased flight times! * At 2cm GSD, Astro + A7R4 can cover 220 acres, Astro + LR1 can cover about 250 acres. * We are seeing an increase of 3-5 minutes of flight time * Easier lens swaps/adjustment * Better/faster autofocus * Expansion ports for addition cameras and sensors * Improved gimbal stabilization * Improved video quality, video setting controls, color profiles, and frame rates * Fold-flat design for better storage/travel --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.freeflysystems.com/ecosystem/payloads/lr1-payload/what-changed-between-a7r4-and-lr1-payload.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.