Negative Achromatic Lenses, D=12.50mm, F=-25.00mm, VIS BK7/F2, United Optical Technology Co., Ltd (CAT#: STEM-OP-1863-YJL)
Negative Achromatic Lenses, D=12.50mm, F=-40.00mm, VIS BK7/F2, United Optical Technology Co., Ltd (CAT#: STEM-OP-1864-YJL)
Negative Achromatic Lenses, D=12.70mm, F=-20.00mm, VIS N-BAF10/N-SF6HT, United Optical Technology Co., Ltd (CAT#: STEM-OP-1865-YJL)
Negative Achromatic Lenses, D=12.70mm, F=-25.00mm, VIS N-BAF10/N-SF6HT, United Optical Technology Co., Ltd (CAT#: STEM-OP-1866-YJL)
Negative Achromatic Lenses, D=12.70mm, F=-30.00mm, VIS N-BAK4/SF5, United Optical Technology Co., Ltd (CAT#: STEM-OP-1867-YJL)
Negative Achromatic Lenses, D=12.70mm, F=-50.00mm, VIS N-BAK4/SF5, United Optical Technology Co., Ltd (CAT#: STEM-OP-1868-YJL)