Blue Filter for Critical Focuser (Replacement)
B&H # PEFBCF
MFR # 1302020BG
Questions? Ask our experts:
Use of the Peak BG Blue Filter for Critical Focuser when you want to obtain more correct enlarging for the black and white film, use the focuser after fitting the BG filter to its eyepiece.
The use of this filter will permit the coincidence between the wavelength sensitive to your eyes and that to be enlarged.
Box Dimensions (LxWxH)
1.654 x 1.339 x 0.472"