SEKONIC L-858D, L-858D-U Speedmaster User Guide
- October 30, 2023
- SEKONIC
Table of Contents
SEKONIC L-858D, L-858D-U Speed master User Guide
Thank you for purchasing SPEEDMASTER L-858D. Please read the ‟Operating Manual” and ‟Safety Precaution” so that you will fully understand the features and operation of this product. Keep the Operating Manual in a safe place for future use. This Startup Guide introduces the basic operations of this light meter. For details about how to use this light meter, please see the Operating Manual. For information on how to download the Operating Manual, please see ‟10. Download”
Check Included Items
The following items are included with the meter in the package. Please be sure to check that all noted items are included.
- If any items are missing, please contact the distributor or the reseller you purchased the meter from.
- The USB cable (that has the A connector and Micro-B connector) is not included in the package. Please obtain this separately.
- Batteries (two AA, Alkaline and manganese batteries are recommended) are not included in the package. Please obtain these separately
Meter
**Startup Guide (this document)
Strap
Lens Cap
_ (Installed on the meter)
_ Soft Case
Anti-glare Sheet for LCD Screen
Safety Precaution
**
Names of Parts
The following is a list of names of buttons and parts on the meter.
[Bottom (rear) view, battery cover] [Lumisphere (Switchover between
Extended/Retracted)] 
Turn the Power ON/OFF
After installing batteries, press the power button 5 to start up the
meter.
The Startup screen appears on the LCD for 1 second. _Then the settings for
the Measuring button (MEASURE) and Memory button (MEMORY) are
displayed on the Measuring screen for 2 seconds. To turn the power off,
press and hold down the Power button for at least 1 second. The meter power
turns off after the display disappears. Please wait 3 seconds between
repeated power on and power off sessions.
_
- The blue lettered “SEKONIC” logo screen is displayed after battery replacement and 24 hours after power OFF.
- Movement of the blue status bar indicates that the meter is checking its memory and preparing to operate. Do not turn the power OFF. Otherwise, the meter may be damaged.
Screen Operations
This section explains how to operate the touch panel on the meter.
Touch an icon with your finger to select a desired menu or item.
Scroll bars
Slide the vertical or horizontal scroll bars to view a different part of the
screen.
Radio button operations
Radio buttons are displayed when you can only select one item. Touch a desired
item to select.
Check box operations
Check boxes are displayed when multiple selections are available. Touch a
desired item(s) to select.
[Screen For Selecting LCD Backlight Brightness] 
Flash Mode screen]
Ambient Mode screen
Input Numbers or Characters
How to input a numerical value (Numeric Number Input screen)
| No. | Key | Description |
|---|---|---|
| 1 | 0-9, Decimal point, Sign (+/-) | Inputs a numeric value. When touched, the |
input value is displayed at the top of screen.
2| DEL| Deletes the input value.
3| OK| Applies the input value, and returns to the previous screen.
4| Cancel| Cancels the input value, and returns to the previous screen.
[Numeric Value Input screen] 
How to input characters and numbers (Character Input screen) No.|
Key| Description
---|---|---
1| | The cursor indicates the position at which to enter a character.
2| ABC, abc, 0-9, Decimal point, Space, Hyphen| When touched, the input value
is displayed at the top of screen. Repeated touching of the same button for
alphabet (ABC/abc) will change the alphabet character in order
3| 1/A/a| Switches between numbers, upper-case characters, and lower-case
characters.
4| | Moves the input position.
5| DEL| Deletes the input value.
6| OK| Applies the input value, and returns to the previous screen.
7| Cancel| Cancels the input value, and returns to the previous screen.
[Upper Case Input screen]
[Lower Case Input screen] 
Measuring Preparations
The mode and other settings required to make a measurement can be selected
from the Measuring screen. For information on how to switch the display to
each screen, see the relevant item.
Select Measuring Mode
Different measuring modes can be selected to meet various requirements.
- In the custom setting, you can select whether to display or hide the measuring modes. Content to be displayed differs depending on which transmitter (sold separately) is installed.
[Measuring Mode Selection screen] 
- [Ambient Light T Priority Mode Measuring screen]
< Ambient Mode>
No.| Description of mode
---|---
1| Ambient light T (shutter speed) priority mode
Displays F-stop value (aperture) for input shutter speed and ISO values.
2| Ambient light F-stop (aperture) priority mode
Displays shutter speed value for input F-stop and ISO values.
3| Ambient light TF (shutter speed and F-stop) priority mode
Displays ISO sensitivity for input shutter speed and F-stop values.
4| Ambient light HD CINE mode
Displays F-stop value for input shutter speed, frame rate and ISO values.
5| Ambient light CINE mode
Displays F-stop value for input frame rate, ISO and shutter angle values.
6| Ambient light Illuminance (lux or fc) mode (Incident light measurement)
Displays brightness value in lux or foot-candle unit.
Ambient light Luminance (cd/m 2 or fl) mode (Reflected light measurement)
Displays brightness value in cd/m2 or foot-lambert unit. - [Ambient Light F-stop Priority Mode Measuring screen]
- [Ambient Light TF Priority Mode Measuring screen]
- [Ambient Light HD Cine Mode Measuring screen]
- [Ambient Light Cine Mode Measuring screen]
- [Ambient Light Illuminance Mode Measuring screen]
[Ambient Light Luminance Mode Measuring screen]
< Flash Mode>
[Measuring Mode Selection screen]
| No. | Description of mode |
|---|---|
| 7 | **Cordless flash mode |
Detects flash brightness without meter-flash connection after Measuring
button pressed to arm meter for 90 seconds and flash fired separately, and
displays F-stop value.
8| Cordless multiple (cumulative) flash mode
Detects and accumulates flash brightness without meter-flash connection
after Measuring button pressed to arm meter for 90 seconds and flash fired
separately, and displays F-stop value.
9| Cord flash mode
Detects flash brightness with synchro cord meter-flash connection, and
displays F-stop value.
10| Cord multiple (cumulative) flash mode
Detects and accumulates flash brightness with synchro cord meter-flash
connection, and displays F-stop value.
11| Radio triggering flash mode
Detects flash brightness after Measuring button is pressed to send radio
transmitted signal to radio receiver connected to flash. Displays F-stop value
(When a transmitter sold separately is installed).
12| Radio triggering multiple (cumulative) flash mode
** Detects and accumulates flash brightness after Measuring button is pressed
to send radio transmitted signal to radio receiver connected to flash.
Displays F-stop value (When a transmitter sold separately is installed).
-
* Switching analog scales in Flash mode
- [Cordless Multiple (Cumulative) Flash Mode Measuring screen]
- [Cord Flash Mode Measuring screen]
- 0 [Cord Multiple (Cumulative) Flash Mode Measuring screen]
- [Radio Triggering Flash Mode Measuring screen]
- b [Radio Triggering Multiple (Cumulative) Flash Mode Measuring screen]
< HSS Flash Mode/Flash Duration Analysis Mode>
- [Measuring Mode Selection screen]
- [HSS Flash Cordless Mode Measuring screen]
| No. | Description of mode |
|---|---|
| 12 | **HSS (High Speed Synchro) flash cordless mode |
Select this mode to measure the brightness of a flash activated in HSS
(High Speed Synchro) mode.
Detects flash brightness without meter-flash connection after Measuring button
pressed to arm meter for 90 seconds and flash fired separately, and displays
F-stop value.
14| HSS (High Speed Synchro) flash radio triggering mode (for RT-GX only)
Select this mode to measure the brightness of a flash activated in HSS
(High Speed Synchro) mode.
Detects flash brightness after Measuring button is pressed to send radio
transmitted signal to radio receiver connected to flash. Displays F-Stop value
(When a transmitter sold separately is installed).
15| Flash duration analysis cordless mode
Detects flash brightness without meter-flash connection after Measuring
button pressed to arm meter for 90 seconds and flash fired separately, and
displays flash duration time, graph of flash wave form and F-stop value.
16| Flash duration analysis cord mode
Detects flash brightness with synchro cord meter-flash connection, and
displays flash duration time, graph of flash wave form and F-stop value.
17| Flash duration analysis radio triggering mode
** Detects flash brightness after Measuring button is pressed to send radio
transmitted signal to radio receiver connected to flash. Displays flash
duration time, graph of flash wave form and F-stop value (When a transmitter
sold separately is installed).
-
[HSS Flash Radio Triggering Mode Measuring Screen] (for RT-GX only)
-
[Flash Duration Analysis Cordless Mode Measuring screen]
-
[Flash Duration Analysis Cord Mode Measuring screen]
-
[Flash Duration Analysis Radio Triggering Mode Measuring screen]
Switching between measured value screens (numeric value ⇔ graph) in Flash duration analysis mode
- Flash Duration Analysis Cordless Mode Measuring screen]
- [Flash Duration Analysis Cordless Mode Optical Waveform Graph screen]
Tool Box
Touch the [Tool Box] icon ( ) on the Measuring screen to display settings of
functions frequently used.
[Tool Box screen] [Tool Box screen] Page 1
Page 2
| No. | Item name | Description |
|---|---|---|
| 1 | Set Average/Contrast Function | Selects On/Off. |
| 2 | Select Incident/Spot | Selects the light receiving method (Incident/Spot). |
| 3 | Set Exposure Compensation | Inputs a Exposure compensation value. |
| 4 | Set Filter Compensation | Inputs a filter compensation value or select a |
filter.
5| Set Mid. Tone| Sets or edits the Mid. Tone from the measurementor memorized
value.
6| Mid. Tone Clear| Deletes Mid. tone value.
7| Mid. Tone Recall| Recalls Mid. tone value.
8| Set Exposure Profile| Selects an exposure profile.
9| Memory Clear| Deletes measurements stored in the memory.(Not displayed in
multiple flash mode.)
10| Memory Recall| Redisplays data stored in the memory.(Not displayed in
multiple flash mode.)
11| Multi Clear| Deletes accumulated data. (Displayed in multiple flash mode
only.)
12| 12of Pre-flash| Selects the number of times before pre-flashing is
canceled.
13| Flash Duration Analysis t Value| Inputs t value of Flash duration
analysis.
14| Radio CH/Zone *1| Selects a radio channel/zone.
15| ♦/♦| Moves to the previous or next page.
16| Close| Closes Tool Box and returns to the Measuring screen.
- Content to be displayed differs depending on which transmitter (sold separately) is installed.
Menu Screen and Custom Settings
The Menu screen enables you to previously customize or edit the function or
display settings. Press the Menu button 9 on the meter to display the
screen.
Optional Radio Transmitters
Sekonic makes five radio transmitters for use with the L-858D that can be
purchased separately. When purchasing and/or installing a radio transmitter,
make sure that the meter, transmitter and radio receiver are designed for use
in your location and have the proper frequency to comply with local broadcast
regulations
| L-858D Serial # | Transmitter Model # | Operating Frequency |
|---|---|---|
| Y11-XXXXXX (Canada IC) JY1L-XXXXXX (FCC) | RT-20PW | PocketWizard (FCC & Canada |
IC): 344.0 to 354.00 MHz
JY11-XXXXXX (CE) JY1G-XXXXXX (NCC)| RT-3PW| PocketWizard (CE & NCC): 433.42 to
434.42MH
JY10-XXXXXX (Japan) JY11-XXXXXX (CE) JY1G-XXXXXX (SRRC, NCC) JY1L-XXXXXX
(FCC)| RT-BR| broncolor (FCC, Canada IC, CE, SRRC, Japan): 2.4GHz
RT-EL/PX| Elinchrom and Phottix (FCC, Canada IC, CE, NCC, SRRC, Japan): 2.4GHz
RT-GX| Godox (FCC, Canada IC, CE, SRRC, Japan): 2.4GHz
RT-20PW
RT-3PW
RT-BR
RT-EL/PX
RT-GX
- PocketWizard® is the registered trademark of LPA Design.
- broncolor® is the registered trademark of Bron Elektronik AG.
- Elinchrom is the registered trademark of Elinchrom SA.
- Phottix® is the registered trademark of Phottix Hong Kong Ltd.
- Godox® is the registered trademark of Godox Photo Equipment Co. Ltd.
- The contents of this manual may be subject to change for the product’s specification modifications and other reasons without prior notice.
JY1L97622
September 2020
Printed in Philippines
Cell : 1.888.610.7664
Email : www.calcert.com
Email : sales@calcert.com
SEKONIC CONRPORATION
Documents / Resources
|
SEKONIC L-858D, L-858D-U
Speedmaster
[pdf] User Guide
L-858D L-858D-U Speedmaster, L-858D, L-858D-U, L-858D Speedmaster, L-858D-U
Speedmaster, Speedmaster
---|---
References
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>