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Description
Sekonic Speedmaster L-858D-U Light MeterIncident Metering for Ambient & Flash 1 Spot Metering with Viewfinder Measuring Range: 5 to 22. 9 EV (ISO 100) Illuminance Range: 0. 1 to 2,000,000 lux Extensive Range of Cine & Video Settings HSS Flash & Flash Duration Measurements Flash Analyzing Function; Extended Range 2. 7" Touchscreen LCD; All Weather Design Optional Radio Control Modules Aiming to provide for the needs of both photographers and filmmakers, the Speedmaster L 858D U Light Meter
- Incident Metering for Ambient & Flash
- 1� Spot Metering with Viewfinder
- Measuring Range: -5 to 22.9 EV (ISO 100)
- Illuminance Range: 0.1 to 2,000,000 lux
- Extensive Range of Cine & Video Settings
- HSS Flash & Flash Duration Measurements
- Flash Analyzing Function; Extended Range
- 2.7" Touchscreen LCD; All-Weather Design
- Optional Radio Control Modules
Aiming to provide for the needs of both photographers and filmmakers, the Speedmaster L-858D-U Light Meter from Sekonic comes 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.
- 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).
In the Box
Sekonic Speedmaster L-858D-U Light Meter
- Anti-Glare Sheet for LCD Screen
- Lens Cap
- Strap
- Soft Case
- Limited 1-Year Warranty with 2-Year Extension upon Online Registration
| Type | Digital light meter for flash and ambient light |
| Radio Frequency | None |
| Receptor Element | Silicon photo diodes |
| Receptor Head | Incident Light: Lumisphere convertible to flat diffuser, rotates 90� right & 180� left Reflected Light: 1� spot viewfinder |
| Measuring Modes | Ambient Light F priority (aperture) T priority (shutter speed) TF priority (shutter speed and aperture) HD Cine (shutter priority, FPS metering, lux, or fc) Cine (FPS metering, shutter angle setting, lux, or fc) Illuminance (lux or fc) Luminance (cd/m� or fl) Flash Light Cord (PC sync terminal) Cordless Radio triggering (optional) HSS Flash (cordless) Flash Duration Analysis (cord, cordless, or radio) |
| Measuring Range | Ambient Light (ISO 100) Incident: -5 to 22.9 EV Reflected: -1 to 24.4 EV Flash Light (ISO 100) Incident: f/0.5 to f/128.9 Reflected: f/1.0 to f/128.9 Illuminance 0.01 to 180,000 fc / 0.1 to 2,000,000 lux Luminance 0.03 to 290,000 fl / 0.1 to 980,000 cd/m� |
| Repeat Accuracy | 0.1 EV or less (Incident light: from EV-2, Reflected light: from EV1) 0.2 EV or less (Incident light: under EV-2, Reflected light: under EV1) |
| ISO Range | 3 to 13,107,200 in 1/3 steps, 850 |
| Shutter Speed | Ambient Light: 1/64,000 sec to 30 min, 1/200, & 1/400 sec, in 1, 1/2, and 1/3 steps Flash Light: 1/16,000 sec to 30 min, 1/75, 1/80, 1/90, 1/100, 1/200, & 1/400 sec, in 1, 1/2, and 1/3 steps |
| Flash Duration | 1/40 to 1/55,500 sec (25 ms to 18 us) t0.1 to t0.9 |
| Aperture | f/0.5 to f/128.9 (in 1 step) f/0.5 to f/152.4 (in 1/2 steps) f/0.5 to f/161.2 (in 1/3 steps) |
| Frame Rate | 1-1,000 fps, and 20 user settings from 0.001-99,999.999 fps |
| Shutter Angle | 1-358�, and 20 user settings from 0.001-360� |
| EV Range | Incident Light: -73.9 to 103.8 EV Reflected Light: -69.9 to 105.3 EV |
| Memory Function | 9 readings |
| Connections | 1 x PC sync terminal 1 x Micro-USB port |
| Screen | 2.7" / 6.9 cm color touchscreen LCD |
| Power Source | 2 x AA batteries (alkaline or manganese) |
| Tripod Mount | Yes, 1/4"-20 |
| Operating Conditions | Temperature: 14 to 122�F / -10 to 50�C Humidity: 0 to 85% |
| Storage Conditions | Temperature: -4 to 140�F / -20 to 60�C Humidity: 0 to 85% |
| Dimensions | 3.7 x 6.9 x 1.9" / 94 x 176 x 49 mm |
| Weight | 8.5 oz / 240 g without batteries |
| Packaging Info | |
|---|---|
| Package Weight | 1.45 lb |
| Box Dimensions (LxWxH) | 10.2 x 6.5 x 3.7" |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.4 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 4
The toys body is very durable, but the squeakers were broken within minutes without tearing it apart
Color: Green Bird
This is a squeaky dog toy that was supposedly very durable. I have to say that the squeakers are not durable and were immediately destroyed by my husky. The actual body of the toy is very durable and they were not able to rip it apart. They were able to destroy the squeakers without damaging the actual exterior of this toy. The toy itself is pretty soft except where it’s made of rope. Since it didn’t have any stuffing come out I will say that it was durable enough for chewing. This would be suitable for large larger dogs and even smaller dogs. I do feel this is a good value for the money because they were not able to rip it apart. I just wish the squeakers were more durable inside because there’s no way to replace those.
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Reviewed in the United States on June 4, 2026
★★★★★ 5
Our dogs new favorite toy
Color: Green Bird, Color: Green Bird
Our golden doodle loves this toy. He isn't a highly aggressive chewer necessarily, but he has been known to destroy toys by chewing on them and such. This one, so far, has lasted over a month or so. It has turned out to be his go to toy when he's wanting to play with one. The squeaker isn't that loud and it's not that easy to find. I like that legs are rope material and makes it good for tug of war, which Max loves to do.
The material is pretty sturdy and it is a good weight. Sometimes when the toys are too heavy Max won't catch them in the air, this one he catches in the air just fine. It's very cute and I think it will hold up just fine to our Max's level of chewing.
I felt the price was quite reasonable considering how much he likes it.
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Reviewed in the United States on May 2, 2026
★★★★★ 2
My dog destroyed this toy in 72 hours
Color: Blue Bird, Color: Blue Bird
Loved the toy but unfortunately this indestructible toy was destroyed by my Yorkie puppy in 3 days
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Reviewed in the United States on April 6, 2026
★★★★★ 5
Fun squeaky toy that my dogs destroyed quickly
Color: Green Bird
My dogs were immediately obsessed with this toy.
The squeaker and bright bird shape got their attention right away, and they carried it around the house constantly for the first couple of days. The rope running through the middle also made it more fun for tug games.
The plush material is soft enough for carrying and cuddling, but because of that, it definitely was not long lasting with stronger chewers. Mine managed to tear into it fairly quickly despite really enjoying it.
That said, it kept them entertained the entire time it survived, and the squeaker held up longer than I expected.
I would recommend this more as a supervised play toy or fetch/tug toy rather than something for aggressive chewing sessions.
If your dog loves squeaky plush toys, this one is very fun while it lasts.
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Reviewed in the United States on May 29, 2026
★★★★★ 4
Dog Loves it
Color: Gray Bird
Great Toy for the price
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Reviewed in the United States on June 2, 2026