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Contains:  Gear
Heating Lens Hood, 





    
        

            Andreas Dietz

Heating Lens Hood

Description

I'd like to show you my new dewcap / lens hood USB heater for my favorite Samyang 135mm lens, of course a DIY device :-)
It consists of a self-adhesive heating foil which is connected to a USB hub:
https://www.conrad.de/de/polyimid-heizfolie-selbstklebend-12-vdc-12-vac-20-w-schutzart-ipx4-l-x-b-253-mm-x-4-mm-thermo-1594182.html
This item fits perfectly into the inner side of the Samyang sun hood as it's only 4 millimeters wide and the length matches just the circumference of the hood.
The heating power is 3W at 5V which is quite sufficient for the lots of Danube fog here at my lovely garden :-)

Comments

Author

dakloifarwa
Andreas Dietz
License: Attribution-ShareAlike Creative Commons
3782
Like

Revisions

  • Heating Lens Hood, 





    
        

            Andreas Dietz
    Original
  • Heating Lens Hood, 





    
        

            Andreas Dietz
    B
  • Final
    Heating Lens Hood, 





    
        

            Andreas Dietz
    D

B

Original + B: a lot of moisture after three hours without heating. Taken some minutes after powering on the heater.

D

30 minutes after power up the whole front of the lens and the hood is already nearly completely free from moisture

Histogram

Heating Lens Hood, 





    
        

            Andreas Dietz