[Compatibility] - The trial frame is designed for use with 38mm outer diameter trial lenses. Its Φ33.5mm inner frame aperture offers an expanded field of view, enhancing the wearer's observation perspective.
[Titanium material and Scale] - The lightweight trial frame, weighing only 50.66g, is made of pure titanium, plastic and stainless steel materials, ensuring both durability and strength. It offers excellent wear resistance. The scale lines on the frame are clear and accurately marked.
[Lens Slots] - The trial frame can accommodate up to 8 trial lenses, with 4 slots on each side. There are 3 slots in the front and 1 slot in the back. The stainless steel slots can smoothly rotate 360° , with even gaps and good elasticity to prevent lenses from sliding.
[Adjustable] - The trial frame allows for adjustments in PD (54-70mm, Minimum increment: 2mm), nose pad height (0-4mm), temple length (98-128mm) and angle, as well as astigmatism axis.
[User-Friendly Design] - The plastic nose pad has a large contact area with the nose, providing a non-slip and stable fit. A portion of the temple arms is covered with plastic, which provides elasticity and resistance to bending, ensuring a comfortable wearing experience. Both temple arms can be opened outward at a certain angle to accommodate individuals with a wider facial width.
Double Convex Lens, 50mm Focal Length, 1.5" (38mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs
KWD 5.500
Red Brick Dust
KWD 5
EISCO Equilateral Prisms 18pc Set - 6 Each of 1", 2", & 4" Lengths, 25mm Face Size - Acrylic Prisms - Classroom Pack
KWD 21
10 Pack Rectangular Plano Glass Mirror, 4" x 3" - 2.5mm Thick Approx. - Eisco Labs
KWD 8
