[72mm]

[ Advanced Knob Technology Anti-Slip and Easy to Remove] High quality aluminum frame, lens cover and other accessories can be installed at any time
[Rotary Filter, Adjustable Wavelength Freely] Choose wavelengths from 530nm to 750nm, perfect for creating infrared photography.
[680nm for interior and weak shadows, 750nm for indoor and low light] Practical variable infrared filter for expanding the creativity of infrared photographs.
[Durable aluminum alloy and optical glass] Long lasting and superior performance
[2 kinds of filter interface diameter] You can choose between the filter size of about 72mm or 77mm for a wide range of cameras.

Specifications:
Condition: 100% Brand New
Item Type: Infrared Filter
Brand: FOTGA
Material: Aluminum alloy + optical glass
Color: as picture
Quantity:1PC
Wavelength: 530nm, 590nm, 630nm, 680nm, 720nm, 750nm
Main function: Rotary filter, outer ring can be freely adjusted to the wavelength, adjust from 530nm to 590nm, then adjust to 630nm until it is adjusted to 750nm.
Weight: Approx. 2.6 oz (76 g).
Frame Thickness: Approx 1.6cm/0.63"
Optional filter interface diameter: approx. 72mm/2.83", 77mm/3.03"