Marco G4 Ultra Slit Lamp With Haag Streit 870 Tonometer – Used

Description

What's Included

• Marco G4 Ultra slit lamp main unit
• Haag-Streit 870 applanation tonometer (with prism)
• Patient chin and head rest
• Power cable
• 90-day Digital Eye Center warranty
• Note: instruction manual is not included

Condition & Warranty

Used. Inspected and function-verified by Digital Eye Center technicians prior to shipping. No instruction manual is included. Covered by a 90-day warranty on parts and workmanship.

Marco G4 Ultra Slit Lamp Used — 5-Step High-Magnification with Haag-Streit 870

The Marco G4 Ultra slit lamp is Marco’s five-step anterior segment biomicroscope, designed for clinicians who need higher magnification capability than a standard 3-step instrument. Where most slit lamps stop at 25×, the marco g4 ultra slit lamp adds a 40× step — ideal for detailed corneal pathology work, contact lens evaluation at high magnification, and fine anterior segment inspection that benefits from maximum optical resolution. Paired with the included Haag-Streit 870 applanation tonometer, this used Marco G4 Ultra slit lamp delivers a complete anterior segment and IOP measurement workstation — with the added clinical depth of 5-step magnification — at a used-equipment price.

The National Library of Medicine confirms that slit lamp examination is the foundational technique for anterior segment evaluation, and that magnification level directly affects the clinician’s ability to resolve fine structural detail — from the corneal epithelium through the anterior vitreous.

Why Practices Choose the Marco G4 Ultra Slit Lamp

• 5-step magnification drum (6×, 10×, 16×, 25×, 40×) — two additional steps beyond a standard 3-step instrument; 40× high magnification enables detailed corneal stromal evaluation, suture inspection, and fine anterior segment pathology assessment not possible at 25×.
• 5-step slit tilt (0°, 5°, 10°, 15°, 20°) — selectable slit beam tilt angles for indirect illumination, sclerotic scatter, and corneal section techniques without repositioning the patient or the lamp.
• Full slit beam control (W: 0–14 mm, L: 1.8–14 mm, 0°–180° rotation) — continuous adjustment covers every illumination technique from a narrow optic section to broad diffuse illumination across the full anterior segment.
• Six-filter set — clear, cobalt-blue (fluorescein NaFl), natural density (ND), yellow, diffuser, and red-free filters cover every anterior segment examination scenario including dry eye evaluation, NaFl staining, and vascular contrast work.
• Fixed apertures (0.2 / 1 / 3 / 5.5 / 9 / 14 mm) — six discrete circular aperture stops for retroillumination, pupil size reference, and specialized illumination techniques requiring defined spot diameters.
• Internal green fixation lamp — built-in fixation target for patient gaze direction during examination; no separate external fixation device required.
• Haag-Streit 870 applanation tonometer included — Goldmann-type IOP measurement mounted directly on the slit lamp; the included prism completes a full anterior segment and glaucoma screening workstation without a separate tonometer stand.
• 8° converging binoculars (12.5× eyepieces) — wider convergence angle compared to standard 6° designs for improved stereoscopic depth perception during anterior chamber and corneal examinations.

Clinical Applications

• High-magnification corneal evaluation — 40× step for detailed stromal pathology, epithelial defect mapping, suture inspection, and post-keratoplasty graft assessment at maximum optical resolution.
• Intraocular pressure measurement — Goldmann applanation tonometry with the Haag-Streit 870 for glaucoma screening, IOP monitoring, and diagnosis without a separate instrument.
• Contact lens fitting and advanced follow-up — cobalt-blue filter for NaFl fluorescein pattern evaluation at all five magnification levels; high magnification enables detail assessment of lens edge profiles and corneal staining patterns.
• Anterior chamber and angle assessment — slit beam tilt options and full rotation support indirect gonioscopy techniques and anterior chamber depth grading across all magnification steps.
• Dry eye and ocular surface evaluation — red-free and yellow filters with NaFl staining for tear film assessment, TBUT measurement, and meibomian gland inspection at high magnification.
• Cataract grading and IOL inspection — narrow slit beam optic section at 25× and 40× for nuclear sclerosis grading, cortical cataract mapping, and post-operative IOL positioning review.

Who This Is For

• Cornea and anterior segment specialists who need 40× high magnification for detailed stromal evaluation, suture inspection, and fine anterior segment pathology not resolvable at 25×.
• Contact lens practices requiring high-magnification fluorescein pattern assessment and detailed lens-cornea interaction evaluation across a full five-step magnification range.
• Ophthalmology and optometry practices seeking a premium used slit lamp with more magnification steps than a standard 3-step instrument, without paying for a new-equipment price.
• Multi-location groups standardizing on Marco instruments across exam lanes for consistent controls and familiar optical performance.
• High-volume practices where the 8° converging binoculars and full filter set reduce clinician fatigue across extended exam sessions.

Technical Specifications

Compare Marco Slit Lamp Options

Also available: Marco SL-B3 LED slit lamp — LED illumination with integrated Optilasa tonometer for practices upgrading from halogen to LED.

Questions about the Marco G4 Ultra slit lamp? Contact us for availability and shipping details.