Check the listing for details. Omega ~ Universal Developing Tank w/ 2 Adjustable Reels Darkroom Photography. Color: Black, Condition: Used. Listed at 40.41 USD. Omega ~ Universal Developing Tank w/ 2 Adjustable Reels Black & White Darkroom Photography Vintage Omega Universal Developing Tank complete with two adjustable film reels—a reliable choice for classic darkroom work. Brand / Model: Omega – Universal Developing Tank Includes: 2 adjustable plastic reels (fit 35 mm & 120/medium-format film) Material: Durable plastic tank with tight-fitting lid and light-tight pour spout Condition: Pre-owned, clean, and in excellent working order. No cracks or leaks. Normal light signs of previous use—see photos for details. Use: Ideal for home or professional film developing of black-and-white or color negatives. Perfect for photographers who still enjoy the art of film processing or need a dependable backup tank.