Omega Lens Board for B-22 Enlarger (421-017)

The Omega Lens Board for the B-22 Enlarger (421-017) is an accessory designed for use with the Omega B-22 enlarger. Here's some information about it:

1. Compatibility: The lens board is specifically designed to be compatible with the Omega B-22 enlarger. The B-22 is a popular enlarger model used in black and white darkroom printing, especially for medium format film.

2. Mounting: The lens board serves as a platform for mounting the enlarging lens onto the enlarger. It typically features a threaded hole or other attachment mechanism that allows the lens to be securely mounted onto the board.

3. Construction: The lens board is typically made of durable materials such as metal or plastic, ensuring stability and longevity in the darkroom environment. It is designed to withstand the rigors of frequent use and provide a stable platform for the enlarging lens.

4. Dimensions: The dimensions of the lens board are specifically matched to the Omega B-22 enlarger's lens mounting mechanism. This ensures a precise fit and alignment of the lens with the enlarger's optical system, which is crucial for producing sharp and accurate prints.

5. Part Number: The part number "421-017" identifies the specific model or version of the lens board. This number may be used for ordering replacement parts or accessories for the Omega B-22 enlarger.

6. Usage: The lens board is an essential component of the enlarger setup, allowing photographers to attach different enlarging lenses to the enlarger to achieve various printing effects and sizes. It plays a critical role in the optical system of the enlarger, directly affecting the quality and characteristics of the final prints.