SciMed
Manual Lensometer / Focimeter — Portable, ±20D Range, 0.25D Graduations, Prism Compensator
Manual Lensometer / Focimeter — Portable, ±20D Range, 0.25D Graduations, Prism Compensator
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Portable manual lensometer (focimeter / vertometer) for measuring the vertex power of spectacle lenses — sphere, cylinder, axis, and prism. Direct scale reading system with corona target, ±20 D sphere range in 0.25 D graduations, 0-180° axis rotation, prism diopter compensator (0-180-0 with 5 D graduations), holds lenses 30-80 mm diameter, 0-90° adjustable tilt for progressive lens neutralization. Dual power: 2× AA batteries OR 220V AC. Compact case for portability. $349 direct — versus $1,200-$2,500 for Nidek LM-1000 / Topcon CL-200 / Reichert AL-500 auto-lensometers.
Specifications
| Type | Direct scale reading manual lensometer (focimeter / vertometer) |
|---|---|
| Target | Corona target — direct focimeter reading |
| Vertex power scale | 0 to ±20 D (sphere + cylinder combined) |
| Graduations | 0.25 D increments |
| Prism diopter scale | 0-180-0 range with 5 D graduations on main scale |
| Axis scale | 0-180° rotation |
| Lens holding capacity | 30 mm to 80 mm diameter lenses |
| Tilt angle | 0 to 90° adjustable (for progressive addition lens measurement) |
| Power source | 2× AA batteries (1.5V) OR 220V AC supply |
| Illumination | 2.3V bulb (energy-efficient) |
| Compact design | With protective cover — easy to carry, long working life |
| Warranty | 1-year against manufacturing defects |
Applications
- Optometry practice — verifying prescriptions on finished spectacles + contact lens over-refractive check
- Optical dispensing labs — QC of finished eyewear before delivery
- Optical retail stores — verifying incoming spectacle Rx accuracy
- Ophthalmology practices — checking patient current spectacles vs new Rx
- University optometry teaching — student practice + skills exam
- Community + rural eye clinics — spectacle prescription verification
- Vision + cataract camps — mobile Rx verification for patients receiving used donated glasses
- Insurance + workman comp verification — documenting current Rx for records
Buying for a practice, dispensing lab, or vision camp?
- Volume pricing on 5+ orders — university teaching + multi-clinic + NGO camp fleets
- Net-30 invoicing for verified optometry, ophthalmology, academic accounts
- SAM.gov / VA compliant procurement
- Replacement bulbs ($15), lens holders ($40) stocked
- International DDP shipping — LATAM, GCC, MENA, SE Asia, Sub-Saharan Africa (huge NGO vision-camp market)
FAQ
How does this compare to auto-lensometers?
Auto-lensometers (Nidek LM-1000, Topcon CL-200) give push-button digital readouts — faster for high-volume dispensing labs. Manual lensometers require the operator to align corona target lines manually — slower but full clinical accuracy at 15-25% of auto-lensometer cost. For NGO vision camps + community clinics + low-volume practices, manual is the value-tier winner.
Can I measure progressive addition lenses?
Yes with the 0-90° tilt adjustment — required for progressive lenses since distance zone + reading zone Rx are measured at different tilt angles per manufacturer.
Battery or AC power?
Both — 2× AA batteries for portability (NGO vision camps, mobile clinics) or 220V AC for permanent bench mount in a dispensing lab.
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