Compact and connected, the Sony HVL-F28RM External Flash is a sleek and portable flash featuring an impressive guide number of 92' at ISO 100 and 50mm, along with a built-in 2.4 GHz radio transceiver to allow photographers to quickly create portable lighting setups with complete support for P-TTL / ADI metering. This flash can be set as a commander or a remote that fully supports Sony's existing radio commanders and receivers, including ratio control, the ability to work with up to 15 flashes in five groups. The flash works within Sony's optical wireless flash system as well, where it is also able to operate as either a commander or remote unit. In terms of its physical design, the HVL-F28RM has a compact, pocketable design well-suited to the a7-series mirrorless bodies and it sports a s a dust- and moisture-resistant construction along with a durable metal foot.
Sony HVL-F28RM External Flash
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Equipped with a 2.4 GHz radio transceiver, the HVL-F28RM is able to operate as either a radio commander or remote as part of Sony's radio wireless system, including the FA-WRC1M Wireless Radio Commander and FA-WRR1 Wireless Radio Receiver. This system has an operating range of 98' and does not require line-of-sight. Also, it will support up to 15 flashes in five groups on one of 14 channels. Additionally, it has full support for Sony's P-TTL / ADI metering system, including high-speed sync and ratio control.
Advance Distance Integration (ADI) flash metering works with cameras and lenses with distance encoders to more accurately balance flash output with ambient light and subject reflectivity by taking camera-to-subject distance into account
Support for optical wireless TTL in both commander or remote modes with up to three groups in one of four channels.
Guide number of 92' at ISO 100 and 50mm.
Improved resistance to overheating for longer and more rapid shooting sessions.
Dust and moisture-resistant construction enables its use in harsh environments and a durable metal shoe has been added for improved mounting stability.
|Guide Number||91.9' / 28 m at ISO 100 (50 mm Position)|
|Exposure Control||Sony ADI / P-TTL|
|Wireless Operation||Radio (TTL/Manual)
Up to 98.43' / 30 m
Optical Pulse (TTL/Manual)
Up to 16.4' / 5 m