Cognep Grading Microscope with ZEISS STEMI 355 / Olympus SZ51 (Up to 40X)
Diamond grading microscope with ZEISS (Germany) STEMI 355 optics - or Olympus SZ51 on request - 8.0X to 40X zoom, darkfield, LED illumination and vacuum manipulation.
ZEISS Germany Optics
STEMI 355 stereo zoom - or Olympus SZ51 option
45° Viewing Angle
Comfortable posture for long grading sessions
Darkfield + Overhead LED
High-contrast inclusion & colour evaluation
Vacuum Manipulation
Precision needle holding system
The Cognep Grading Microscope with ZEISS STEMI 355 combines Cognep's proven grading platform with premium German optics. Also available with Olympus SZ51 optics on request.
Illumination
High-intensity LED overhead illumination and a darkfield mirror system direct light from all directions to the stone's centre for exceptional contrast on inclusions.
Manipulation System
A vacuum-based holding mechanism secures the diamond on a precision needle for smooth rotation and movement.
| Lens | ZEISS (Germany) STEMI 355 / Olympus SZ51 |
| Zoom Range | 8.0X to 40X |
| Magnification | 0.72x - 4.0x |
| Working Distance | 110 mm |
| Viewing Angle | 45° |
| Power Supply | 230V, 50Hz |
| In the box | Microscope with all accessories |
| Warranty | 1 Year against manufacturing defects |
Shipping
Shipping is charged state-wise and shown at checkout. Orders ship through Shiprocket courier partners with secure packaging; tracking details are emailed once dispatched.
Payment
- Pay online via Razorpay — UPI, cards, net-banking, wallets.
- Cash on Delivery — pay 10% advance online, balance at delivery.
- Prices exclude GST @ 18%. A GST invoice is provided.
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