Kodak 3 x 3" #12 Deep Yellow Optical Wratten 2 Filter is an industry-standard filter that just got better. With the same spectral response and color as current Wratten Gelatin Filters, Kodak Wratten 2 Optical Filters also offer several improvements.
This filter is commonly used for a noticeable increase in contrast with black and white films. Especially useful for clear contrast between blue sky with clouds and foreground. It is also suitable for landscapes and nature scenes.
| Type | Wratten 2 |
| Size | 3 x 3" (75 x 75mm) |
| Grade | 12 |
| Filter Factor | 3.3 (+1.3 stop) (approx) |
| Multi-Coated | Not Applicable |
| Rotating | Not Applicable |
| Effect | Contrast control, enhanced skin tones, tonal corrections and more dramatic landscapes; Noticeable increase in contrast with black and white films |
| Application | Controlling contrast in black and white photography |
| Color Temperature | Not Specified by Manufacturer |
| Construction | Gel |
| Front Filter Thread Size | Not Applicable |
| Front Lens Cap Size | Not Applicable |