Magnification is 8 Diopter, which is 300% bigger than the object.
There is a working distance of about 3.3 inches underneath the lens. Please note that this is a smaller working distance, and this lamp is better to be used for inspection rather than having your hands underneath to do work, since the working distance is shorter.

Flexible Arm. Total Arm Length: 863.6mm 34 inches. Illumination Type: SMD LED. Light Adjustable. Input Voltage: AC 110-240V 50/60Hz. Optical Lens Diopter: 8 Diopter (3X). Lens Size: Φ127mm (5″). ESD Safe.

System Field of ViewΦ3″
System Working Distance83mm (3.268″)
Stand TypeFlexible Arm
Stand Height863.6mm 34 inches
Horizontal Arm Length431.8mm 17 inches
Total Arm Length863.6mm 34 inches
Mounting Hole on the End of Horizontal ArmΦ12.2mm
Base TypeMetal Clamp
Clamp Opening Size0-60mm, 2.36 inches
Illumination TypeSMD LED
LED Quantity60
Power Supply AdjustableLight Adjustable
Light Source Luminous Flux1200 LM
Bulb Color Temperature5600K-6000K
Bulb Color (Wavelength)White Light
Optical Lens Diopter8 Diopter (3X)
Lens SizeΦ127mm (5″)
Lens TypeConvex
Magnifier Lens MaterialGreen Float Glass
Head SizeΦ190mm (7.480″)
Head MaterialHeavy Duty Plastic
Head AppearanceRound
With Lens ShieldYes
%Bigger Than Object200%
Swing Arm MaterialHeavy Duty Metal
Clamp MaterialHeavy Duty Metal
Work HoursUp To 50,000 Hours