# Radio Flash Trigger Sender Sekonic RT-EL/PX for L-858D (compatible with Sekonic L-858D)

**URL:** https://aio.lv/en/product--sekonic-100372--4993505
**Data updated:** 2026-02-12 14:16 (EET)
**Category:** Electronics Accessories
**Manufacturer:** Sekonic
**Manufacturer code:** 100372
**EAN:** 4962294011888
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 191.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 158.26 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sekonic-100372--4993505

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

Sender Sekonic RT-EL/PX is a radio flash trigger designed for use with the Sekonic L-858D light meter. It enables wireless triggering of compatible flashes for synced exposure measurement and flash testing. The accessory simplifies remote flash activation during on-camera or off-camera metering, helping photographers speed up setup and verify flash output without manual sync cables.

## Long description

The Radio Flash Trigger Sender Sekonic RT-EL/PX for L-858D is an accessory designed to work with the Sekonic L-858D light meter to provide wireless flash triggering. It allows the meter to activate compatible flashes remotely so that exposure measurements and flash testing can be performed without physical sync cables. The sender mounts to or pairs with the L-858D and communicates with compatible radio-enabled flash units to simplify metering workflows in studio and location shooting.
Advantages
This radio flash trigger offers wireless triggering for more flexible metering and faster setup when using the Sekonic L-858D. By removing the need for cable connections, it reduces trip hazards and enables easier placement of off-camera flash. The accessory supports synchronized flash testing and measurement, helping photographers confirm flash output and exposure settings quickly and accurately while maintaining the neutral, data-focused operation expected from Sekonic metering tools.
Suitable for
 Studio photographers who need to measure flash output remotely
 Location shooters requiring off-camera flash metering without cables
 Portrait and commercial work where quick flash verification improves workflow
 Photographers testing multiple flash units for consistent exposure
Key specifications
 Compatibility with Sekonic L-858D light meter for synchronized use
 Wireless radio triggering of compatible flash units
 Designed for remote flash activation during exposure measurement and testing
 Compact form factor suited for mounting or pairing with the meter
How to use
Attach or pair the Radio Flash Trigger Sender RT-EL/PX with the Sekonic L-858D following the meter’s accessory mounting or pairing procedure. Power on both the sender and the target flash units, confirm radio channels and compatibility, then use the L-858D to perform flash measurements. Trigger the flash remotely from the meter to capture synchronized flash output readings and adjust flash power or position as required. Follow the Sekonic L-858D user guide for specific pairing, channel selection, and metering modes.
Usage recommendations
Verify that your flash units support the same radio protocol or are confirmed compatible before operation. Use stable radio channels and avoid strong radio interference for reliable triggering. When measuring from different positions, allow a brief test trigger sequence to confirm synchronization prior to final exposure readings.

## FAQ

### How much does the Sekonic RT-EL/PX Sender for L-858D cost, and is it available for purchase?

The price is 191.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 01.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Sekonic RT-EL/PX Sender for L-858D be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Sekonic products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Sekonic service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/4993505/68534008_large.webp