Maglite C/D-Cell Blue Lens. The best way to improve the quality of your flashlight a blue lens is a small yet helpful addition. The Maglite C and D-Cell Blue Lens creates a blue tint to your regular flashlight lens letting you use your light in darker areas for a softer beam. This excellent Flashlight Accessory from Maglite is built to be the peak of performance in your light. Enhance the quality of your weapon light with the Maglite C and D-C-Cell Blue Lens. Specifications for Maglite C and D-Cell Blue Lens: Manufacturer: Maglite Color: Blue Package Contents: Maglite C and D-Cell Blue Lens Maglite 108000078: C/D-Cell Blue Lens