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Quick Details

  • Products Status: Stock
  • Screen Size: 3.5"
  • Response Time: 10ms
  • Brightness: 315cd/m
  • Interface Type: HDMI, SDI
  • Contrast Ratio: 800:1
  • Resolution: 800*480
  • Widescreen: Yes
  • Panel Type: TFT
  • Pixel Pitch: 0.0315(W) * 0.0945(H)
  • Brand Name: SEETEC
  • Model Number: S-350
  • Place of Origin: Fujian, China (Mainland)
  • Description: electronic viewfinder sdi hdmi
  • Aspect ratio: 15:9
  • Backlight: LED
  • Outputs: SDI,Earphone jack

Packaging & Delivery

Packaging Details Within one week after the receipt of the total payment
Delivery Time Gift&neutral box


Small portable 3.5 inch EVF electronic viewfinder sdi hdmi with high contrast 800:1 widescreen LED backlight


S-350 is SEETEC New 3G HD/SD-SDI Electronic View Finder .This EVF Electronic View Finder is transforming the form factor of DSLR cameras for video with our electronic viewfinder. The EVF is a 3.5” TFT-LCD Max. resolution up to1920*1440 . This electronic viewfinder allows you to operate the DSLR camera or any camcorder with SDI and HDMI output, with the correct form factor for video with the camera “in-line” to your rod system (the most stable way) and your eye in the EVF offset. In addition, brightness, contrast, hue and saturation can be adjusted. Ideal for indoor and outdoor filming. 

Product Description

 3.5 HD LCD Display

The SEETEC S-350's high resolution display provides excellent picture quality and color reproduction for exact video monitoring. 


This S-350 has 3G-SDI/HDMI input and 3G-SDI loop-through output



Varies Advantage LCD Loupe

-Openable Optical Loupe

-Detachable Optical Loupe

-Adjusting Diopter


Openable Optical Loupe

The optical loupe attached to EVF body  can be flip up open

Detachable Optical Loupe

The optical loupe attached to the EVF body can be detached completely

Adjusting the Diopter

When viewing through the optical loupe,the user can adjust the diopter accordingly.Rotate the dial in either direction until the image becomes clear.




Description3.5" SDI Electronic Viewfinder for HDSLR cameras
Resolution                   800x480
Dot pitch0.0315(W) x 0.0945(H)
Aspect ratio15:9 
Response time10ms
Viewing Angle80°/80°(L/R) 80°/80°(U/D)
OutputsSDI,Earphone jack
SDI Support Format576i
1080i(60/59.94/50) 1080p(60/59.94/50)
HDMI Support Format480i / 576i / 480p/576p
1080i (60/59.94/50)
720p (60/59.94/50/30/29/25/24/23.98)
Power Consumption≤6W
Input VoltageDC 6V ~ 18V
working Temperature-20℃~50℃
storage Temperature-30℃~65℃
Install Way1/4"-20 Thread Socket
Unit Size124.3Lx87.5Hx178.5D
Unit Weight344g



 Advanced Features: 


1. Custom Color Temperature

2. Peaking Focus Assist(Red-outline peaking focus based on Mono background)

3. 4:3&16:9 ratio switch

4.1:1 pixel-to-pixel mapping

5. External Battery

6. Centre Marker

7. Screen Marker(80%,85%,90%,93%,96%,2.35:1)

8. Camera 5D II Mode

9. Image Freeze&Flip(U/D,L/R)

10. Check Field (Mono/Red/Green/Blue)

11. Magnifier

12. Side Earphone Jack




Gift&neutral box 10 pcs/carton

Delivery Information:
SEETEC strives to get all orders out as quickly as possible after QC Dept fully test them!
Shipping Method:
By Express: Fedex,DHL,EMS,TNT,UPS,
By Logistics: by air&sea
Shipping Time:
From Monday to Saturday 8:00am-17:30pm
Shipping Address:
.If by paypal, Please note items will only be shipped to verified users with confirmed shipping addresses
.If by T/T, shipping address as communicate

Our Services


1.Powerfull Research&Development Experience 

2.OEM&ODM Ability 
3.Strict QC TEST Control 
4.EASY & FAST Communicate 
5.Responsible After Service

Company Information


SEETEC designs and manufactures small HD LCD monitors. Products cover on-camera LCD field monitor, VGA/HDMI/HD-SDI LCD monior, LCD touchscreen monitor,Industril PC etc.

Our products are finely engineered to ease of use, maximum portability, dependability and durability. We make products at the finest quality you can find in the video and photography field.
SEETEC R&D core team leaders are composed by a dozen senior technical engineers have years of experience. They ensure our products are innovative and consistently push the boundaries of both technology and design.
We listen to every customer, and take care of their feedback and advices. It is a good way to improve our products and service. Our mission is to develop creative products to customers with a good experience.
We have also several years experience in OEM & ODM orders, and we can meet a variety of customized requirements of customers worldwide. If you have any interest or advice, please feel free to contact us.

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Trade Assurance
China (Mainland) | Manufacturer, Trading Company
Transaction Level:
Supplier Assessments:
83 Transactions 290,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $300,000
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