Delta 1 Brightlab Universal Red Jumbo Sicherheitslicht 25 Watt

Finally a safelight bulb that actually screws into my regular lamp without any adapters, and the red glow covers my whole 4x5 tray area evenly. Contact prints came out crisp with no fog after a full session, which is more than I can say for my old setup.

After years of wrestling with tiny safelight bulbs, this jumbo screw-in is a massive upgrade for my darkroom. The 25-watt output is perfect for 8x10 contact prints without any fogging issues.

Finally got it screwed into an old clamp lamp and it casts a nice, even red glow across my whole enlarging area. The jumbo size really does spread the light better than the small bulbs I’ve used before, and it fits a standard socket with zero hassle. Prints came out clean with no fogging even after