Working under a stereo microscope at fixed magnification often leaves you fighting for space. Your soldering iron tip, tweezers, or hot air nozzle keep bumping the lens housing, especially when you're doing IC reballing or jumper work on a dead board. The Kslid 0.7X WD120 auxiliary lens solves this by screwing directly onto your microscope's 48mm objective thread and pushing the working distance out to 120mm. You get more room between the board and the lens without swapping your microscope or losing image clarity. This is a Barlow-style auxiliary lens, not a replacement objective. It sits in front of your microscope's existing lens and changes two things at once: it multiplies your current magnification by 0.7, and it increases the physical gap between the lens and your workpiece. For a technician doing fine-pitch IC change, CPU reballing, or board-level jumper repair, that extra clearance matters more than raw zoom. You can angle your iron, run a hot air gun, or position a probe under the lens without constantly repositioning the microscope head. The lens body is metal, finished in black, and threads onto standard 1-7/8" (48mm) microscope mounts — the same thread size used across most stereo, trinocular, and binocular zoom microscopes on a GSM repair bench. Installation is a straight screw-on, no adapter rings or tools required. Once mounted, it stays in place through normal daily use, including repeated positioning during long repair sessions. Optically, the lens uses coated glass elements built for high light transmittance and a high refractive index. That translates to a brighter, clearer field of view with minimal halo or glare — something you notice immediately when you're inspecting fine traces, BGA pads, or hairline PCB cracks under strong bench lighting. Colorless optical glass keeps color accuracy consistent, which helps when you're checking for burnt components, corrosion, or discoloration on a board that's dead after flash or showing a hardware fault. For a repair shop handling a mix of work — motherboard-level repair, chip-level diagnosis, network IC issues, charging port rework, or display connector soldering — this lens fits into daily use rather than a one-off task. Technicians running high-volume soldering and rework benefit most, since the extended working distance reduces lens contact and lets you work continuously without breaking focus to reposition equipment. It's a low-cost accessory relative to the microscope itself, but it changes how usable that microscope is during actual repair work rather than just inspection. If your current setup feels cramped every time you pick up the iron, this auxiliary lens is the direct fix — no new microscope purchase, no software, no calibration. Screw it on, refocus once, and your working distance problem is solved for every board that comes after it. Package includes one auxiliary lens unit, ready to mount on any compatible 48mm-thread microscope.