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Quick Details

  • Brand Name: YELANGU
  • Model Number: F4
  • Place of Origin: Guangdong, China (Mainland)
  • Material: Aluminum alloy &ABS plastic
  • Dimension: 240*150*100mm
  • N/Gweight: 512/662g
  • Item type: Follow Focus
  • Color: Black
  • Application scope: 52mm-86mm lens
  • Delivery: 3-5 working days after payment received
  • Type and payment: T/T&Paypal
  • Warranty: 1 year

Packaging & Delivery

Packaging Details Box packaging:225*150*100(mm) Carton packaging:360*310*400(mm) 10 Boxes/CTN
Delivery Time 3-5 working days after payment received


YELANGU Quick Release Slot Slide Block for 15mm Rod Rig Follow Focus DSLR



Product Description


  • Be used to adjust focus for DSLR cameras and video camcorders, usually matched with shoulder rig
  • It can install international standard 15mm rail rod tube, also apply to almost kinds of lens
  • Adopt excellent damping design
  • With this type follow focus, filmmakers focusing fast and accurate, and the focus naturally, all of this make photography more effectively and conveniently
Brand NameYELANGU                        
Mode TypeF4
Application Lens52mm-86mm  
MaterialAluminum Alloy & ABS Plastic
Special DesignAB hard stop and slot
Gross weight512 g 
Net Weight662 g
Factory supply ability1000PCS per month




  1.   AB hard stopdesign provide accurate focusing within the scope of control
  2.   Excellent damping design offer professional and comfortable touch
  3.   Focusing with high precision
  4.   Gear driving ring can be adjusted back and forth freely for your lens
  5.   Matched with standard 15mm Dia and 60mm c-c rail rod 
  6.   The left and right sides can be regulated by customers' habits
  7.   Excellent slot design for quick installation



Picture View

AB hard stop design to adjust focus accurately and precisely within scope of control


Excellent slot design for quickly installation



Exiquisite and excellent workmanship, advanced technology, making the products more exquisite and durable


About Us

Shenzhen Yelangu Technology Co.,Ltd, professional manufacturer has been focusing on photographic equipment more than 8 years. The company has a production plant almost 5 thousand square meters which integrates produce and sale. The main products including shoulder mount, matte box, follow focus, camera cage, DSLR stabilizer and other photographic accessories. Meanwhile, we have a strict management system to improve the quality assurance system, high quality and efficient service team. The  high quality and efficient service in which we insisting win excellent public reputation. In pursue of the identical value with customers, YELANGU will be your most creditable business partner.

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China (Mainland)
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4 Transactions 700+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $39,000
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