In the Box
  • 1 x SIG SAUER ECHO SV35-LRF Thermal Sight
  • 4 x 18650 Lithium-ion Rechargeable Battery
  • 1 x USB-C to USB-C Data Cable
  • 1 x USB-C 2-Split Charging Cable
  • 1 x Optic Multi Tool
  • 1 x Lens Cleaning Pen
  • 1 x Quick Reference Instructions
  • 1 x Thermal Zeroing Target
  • 1 x Hard Plastic Case

Trusted & Verified

Sig Sauer | SKU: SOEC12210

SIG SAUER ECHO SV35-LRF 1.5-12x35MM IP67-rated Thermal Sight with 640 x 512 Thermal Resolution

$3,999.99
Why You'll Love It
  • 1.5 to 12x Magnification
  • 640 x 512 Thermal Resolution
  • 12 micrometer Pixel Pitch
  • 50 Hz Thermal Refresh Rate
  • 20 mK or less Thermal Sensitivity
  • Integrated 1000 yard Laser Rangefinder
  • 1024 x 768 OLED Display
  • 8 Selectable Thermal Palettes
  • BDX 2.0 Enabled
  • Applied Ballistics Ultralight Integrated
  • Wi-Fi and Bluetooth Connectivity
  • 32GB Internal Media Storage
  • Photo and Video Recording with Audio
  • More than 11 hours of runtime
  • IP67-rated Environmental Protection

The SIG SAUER ECHO SV35-LRF combines a 1.5 to 12x thermal optical system with a 640 x 512 LWIR sensor, 12 micrometer pixel pitch, 50 Hz frame rate, and sensitivity of 20 mK or less. The integrated 1000 yard laser rangefinder and onboard environmental sensors consolidate ranging and environmental information into the sight, while the 1024 x 768 OLED display presents the thermal image through eight selectable color palettes.

Integrated Digital and Recording System

BDX 2.0 support includes Applied Ballistics Ultralight and connectivity with the SIG BDX app. Wi-Fi and Bluetooth support device communication, while 32 GB of internal storage holds still photos and video with audio. Recorded media can be transferred through the app or through the external USB-C connection.

Rechargeable Field Power

The sight operates on two removable 18650 lithium ion batteries and provides more than 11 hours of runtime. SIG SAUER supplies four rechargeable batteries with the system, allowing a second pair to remain available. The housing is IP67-rated and incorporates a cantilevered direct M1913 Picatinny rail mount.

In Stock Ready to Ship
Calculating shipping cutoff...
Estimate Delivery
or select state
Please Note Delivery dates are estimates. Available shipping methods may vary based on destination, item weight, and cart contents. Final options are confirmed at checkout.
$3,999.99
In Stock Ready to Ship
Calculating shipping cutoff...
Estimate Delivery
or select state
Please Note Delivery dates are estimates. Available shipping methods may vary based on destination, item weight, and cart contents. Final options are confirmed at checkout.
$3,999.99
Shop with Confidence
Your payment information is secure and protected.
Ach Direct Debit Amazon American Express Apple Pay Diners Club Discover Google Pay Mastercard PayPal Shop Pay Venmo Visa
Shipping Policy

Orders of $25 or more qualify for free standard shipping on eligible items.

Most in-stock orders placed before 3PM EST Monday–Friday ship the same business day. View Shipping Policy

Free Local Pickup

Please call for store stock availability. Requests made before 2:30 PM EST can be available for next-day pickup. Learn more

Questions? We're Here to Help

Call or email one of our experts.

Customer Reviews

Loading reviews…

Tab: Frequently Asked Questions

How do I return an item?

Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.

Will I receive a full refund when I return an item?

You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.

How many days do I have to make a return?

You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days. 

My item was damaged in transit. How do I place a return?

If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@focuscamera.com with your order number and a description of the damage. 

There’s an issue with my order, what should I do?

Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@focuscamera.com, or send us a message here.

Can I exchange an item?

We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.

If I ordered a kit, do I have to return all the items?

If you ordered a kit, you must return all components and accessories to receive a full refund.

I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?

If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.

Do you offer repairs?

We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900.

What is your return policy?

Most items can be returned within 30 days for a full refund. Click here to read our full return policy. 

Shipping & Returns

  • Same Day Shipping


    All orders placed by 1PM( EST), Monday through Thursday, and by 11AM (EST) on Friday, are shipped same day. Orders placed outside these times will ship the next business day. We do not ship internationally or to Puerto Rico, Guam and other US territories at this time. For more details click here.

  • Free Standard Shipping


    We offer free standard shipping on thousands of items within the continental USA (this does not include Alaska and Hawaii).



  • Easy returns


    If you're not happy with your purchase for any reason, our flexible 30-day free return policy makes it easy to get a full refund. Click here to view our return policy.