Zeiss A-Plan 10x Ph1 Negative Phase Contrast Microscope Objective, RMS Thread

The Zeiss A-Plan 10x Ph1 is a high-quality negative phase contrast microscope objective designed for advanced light microscopy applications. Featuring a numerical aperture (NA) of 0.25 and a working distance (WD) of 4.2 mm, this objective provides optimal phase contrast imaging for enhanced visualization of transparent biological specimens. The RMS (Royal Microscopical Society) thread ensures compatibility with standard light microscope turrets.

Key technical specifications include:

This objective is essential for researchers and scientists engaged in cell imaging, phase contrast microscopy, and biomedical engineering workflows. Widely adopted in molecular diagnostics and biotechnology research, it enhances contrast without staining, making it valuable for live-cell imaging and synthetic biology studies. The lens barrel exhibits minor cosmetic wear, but the optical elements remain in excellent condition, ensuring reliable performance in laboratory and clinical diagnostic settings.

Designed for integration with Zeiss microscope systems, this phase contrast objective supports precise observation of unstained, transparent samples—critical in bioprocessing analysis, gene editing research, and neuroimaging applications. It is a popular choice among molecular biology researchers requiring high-resolution phase contrast imaging to facilitate molecular cloning workflows and advanced biomanufacturing pipelines.