Aiming to provide for the needs of both photographers and filmmakers, the Sekonic L-858D-U Light Meter Kit with Broncolor Transmitterfrom Sekonic L-858D-U Light Meter Kit with Broncolor Transmittercomes packed with a variety of upgraded features and capabilities that make it an almost essential tool for a working professional. It is able to take incident and reflected light readings of both flash and ambient light with an expanded measuring range of -5 to 22.9 EV at ISO 100, or within an illuminance range of 0.1 to 2,000,000 lux. Users will also find it intuitive and easy-to-use thanks to the use of a 2.7" color touchscreen LCD and an all-weather design.

The meter can use either a 270° rotating and collapsible lumisphere or an integrated 1° spot viewfinder to account for varying needs of the user. Also, it offers an extensive range of cinema and video settings as well as the unique ability to measure flash duration and to take readings when using high-speed sync flash. The L-858D-U is equipped with a variety of other functions as well, including memory recall, a Flash Analyzing Function, and extended ranges on nearly every setting. Additionally, through the use of optional modules, users can add radio triggering support for PocketWizard and Elinchrom/Phottix systems.

Speedmaster L-858D-U Light Meter    RT-BR Broncolor Transmitter

Lumisphere receptor head rotates 90° right and 180° left and retracts for conversion to a flat diffuser.

Integrated 1° spot viewfinder with full information display provides a precise method of measuring specific parts of a scene.

Ability to measure flash duration within a range of 1/40 to 1/55,500 second using t0.1 to t0.9 settings.

Improved sensitivity of the L-858D-U allows it to record a reading at just 0.1 lux illuminance as well as use expanded range of -5 to 22.9 EV for incident readings and -1 to 22.4 EV for reflected light. Also, it features an extended ISO range of ISO 3 to ISO 13,107,200 with an option available for ISO 850.

Optional radio modules are available for PocketWizard and Elinchrom/Phottix systems for advanced wireless triggering and remote flash control.

High-Speed Sync support allows photographers to accurately take readings while using HSS with their flashes and cameras.

Flash Analyzing Function measure ambient and flash simultaneously to provide a percentage of flash in the final exposure. Users can then adjust the mix as the display shows camera settings and the relationship between the flash and ambient light in your exposure.

Users can determine the dynamic range of their camera using optional targets by taking bracketed shots with their measurement data and they using the Sekonic Data Transfer Software to graph and then save the information to the meter.

Expanded shutter speed ranges now allow for readings between 1/64,000 second to 30 minutes with ambient light and 1/16,000 second to 30 minutes for flash.

A comprehensive set of cinema modes allows for settings of 1-1000 fps as well as shutter angles of 1-358°. Twenty user determined settings are also available that provide more precise options of 0.001-360° shutter angles and 0.001-99,999.999 fps.

2.7" color touchscreen LCD provides a fast and intuitive method for viewing and changing settings.

Micro-USB port can be used for firmware updates, applying custom settings, and to use exposure profiling.

The L-858D-U features an all-weather construction that is dust and splash proof (JIS Class 4).

Related Questions and Answers

Q: 1. Will the RT Module-32 Pocketwizard transmitter from the Sekonic L-608 work as a transmitter for the L-858D-U?

A: Yes.

Q: 2. Is there transmitter Module for Profoto?

A: Sekonic does not make a transmitter module that works with the Profoto System.

Q: 3. Is this meter compatible with Profoto D2 Strobes with the pocket wizard III attached to the strobes. The meter will also be equipped with a pocket wizard module transmitter.

A: This meter can trigger any strobe that is equipped with an internal/external Pocket Wizard Transceiver.

Q: 4. am from Asia 7 use PocketWizrd and Elinchrome ; can i also use this L-858D with the Sekonic RT-3PW Transmitter Module (433MHz, CE)?

A: Sekonic L-858D-U Speedmaster Light Meter Kit with Transmitter Module for Elinchrom & Phottix can be used in Asia as long as the triggers are also from the US.

Q: 5. Can someone confirm if they have a battery drain issue with Rechargable batteries (Eneloop pros)?If I place new batteries on mine, even without turning the unit on, the batteries will be dead by day 2.

A: Hi Luis,I used Panasonic (formely Eneloop) batt. No problem at all. It lasts for a week end normal usage.

Q: 6. Can this meter measure the LUX of a flash? Many meters only seem to be able to measure LUX of ambient lighting.

A: In Ambient Light Illuminance lux (or foot candle) Mode (Incident light measurement) only.

Q: 7. When using the reflective metering on the Sekonic 858D, does anybody notice any fuzziness, or slightly out of focus appearance in the image when looking through the lenses to do the spot metering?

A: Once adjusted the spot meter is cristall clear. Bear in mind that it might take quite a few turns of the diopter ring (eye side) to accomplish sharp view.

Q: 8. Does this work with profoto lights?

A: Yes, the Sekonic Speedmaster L-858D-U Light Meter will work with any lights.

Q: 9. Is there a way to display the continued measurements in the 1-Degree Viewfinder Spot using the L-858D-U-U light meter as Sekonic L-758DR Spot meter does?

A: Yes, you can display continued measurements in the 1-Degree Viewfinder Spot on the Sekonic L-858D-U Speedmaster Light Meter Kit with Transmitter Module for Godox.

Q: 10. which would you get, with or without the transmitter module? i have both PocketWizards and Flashpoint strobes. what are the benefits with and without the POCKETWIZARD transmitter module? what are the benefits with and without the GODOX / FLASHPOINT transmitter module? tell me more, tell me about the benefits with & without? thank you!

A: The transmitter modules may be purchased separately and swapped. Because you have both PocketWizard and Godox products, unfortunately, you will have to find workarounds to get both to trigger.