Trial frames and trial lens sets
PL266
Trial lens set with reduced apertures
Intended use
The PL266 is a trial lens set for subjective refraction. The lenses are mounted in plastic rims and the aperture is reduced: the lens diameter is 26 mm and the rim diameter 38 mm.
The lens power is marked on both the handle and the rim. The cylindrical lenses have their own handle shape for locating the axis.
According to the manufacturer, the lens configuration of the PL266 is the same as that of the MT266.
Key features
- Reduced aperture: lens diameter 26 mm, rim diameter 38 mm
- Light plastic rim with a smooth edge
- Power marking on both the handle and the rim
- Cylindrical lenses have their own handle shape for locating the axis
Technical specifications
Lens construction
- Aperture
- Reduced
- Lens diameter
- 26 mm
- Rim diameter
- 38 mm
- Rim material
- Plastic
Spherical lenses
- Convex (+)
- 0.25 … 20.00 D
- Concave (−)
- 0.25 … 20.00 D
- Step
- 0.25 D from 0.25–6.00 · 0.50 D from 6.50–10.00 · 1.00 D from 11.00–16.00 · plus 18.00 and 20.00
- Quantity
- 2 pcs of each power
Cylindrical lenses
- Convex (+)
- 0.25 … 6.00 D
- Concave (−)
- 0.25 … 6.00 D
- Step
- 0.25 D from 0.25–4.00 · 0.50 D from 4.50–6.00
- Quantity
- 2 pcs of each power
Prism lenses
- 2 pcs of each
- 0.5 · 1.0 · 2.0 · 3.0 · 4.0 Δ
- 1 pc of each
- 5.0 · 6.0 · 8.0 · 10.0 Δ
Auxiliary lenses
- 1 pc of each
- Black · green · red · plano lens · white Maddox · red Maddox · slit (SS1.5) · occluder · stenopaeic aperture 1.5 mm · stenopaeic aperture 1.0 mm · cylinder 0.25 D · cylinder 0.50 D
- 2 pcs
- Cross-line
Source of information: Manufacturer’s (Canton) product brochure PL266 Trial Lens Set. According to the brochure, the lens configuration is the same as that of the MT266.
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