B. & L.-ZEISS PROTAR LENS—SERIES V, f :18
The B. & L.-Zeiss Protar. Series V, is designed for extreme wide-angle work. This lens embraces a field of 110 degrees.
| No. | Size. | Equivalent Focus. | Price. | |||||
| 1 | 4¼ | × | 6½ | 3⅜ inches | $20.00 | |||
| 2 | 5 | × | 7 | 47⁄16 inches | 20.00 | |||
| 3 | 6½ | × | 8½ | 59⁄16 inches | 25.00 | |||
| 4 | 8 | × | 10 | 73⁄16 inches | 31.00 | |||
SYMMETRICAL WIDE-ANGLE LENS
This is an excellent wide-angle lens at a moderate price, having an angle of about 80 degrees. It is furnished in cells to interchange with the various lenses supplied on Premo Cameras.
| No. | Size. | Equivalent Focus. | Price in Cells Only. | |||||
| 1 | 4 | × | 5 | 3½ inches | $ 5.00 | |||
| 2 | 5 | × | 7 | 5 inches | 7.50 | |||
| 3 | 6½ | × | 8½ | 6½ inches | 12.00 | |||
| 4 | 8 | × | 10 | 8 inches | 15.00 | |||