Buy National Optical 440-440PLL, Zoom Stereo Microscope, 0.75x-4.5x

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Type of Head:: Type of Head: Binocular

The 440-440PLL is a professional-quality stereo microscope for industrial and educational settings. The large zoom ratio of 6:1 and a standard working distance of 110mm provide the flexibility to support a large number of potential applications while the addition of an auxiliary lens or substitute eyepieces extend the magnification up to a maximum of 180X.

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All sales are final

These are made-to-order items.
This product is not eligible for return or exchange unless defective.
The average lead-time is 1 or 2 weeks.

Return and Warranty

Please note that return requests for National Optical items must be submitted within 14 days after the delivery date.

Technical Details

Reviews

Magnification

0.75x to 4.5x Zoom

Optical system

Paired widefield 10x eyepieces are 45° inclined, with dual diopter adjustments, interpupillary adjustment from 55mm to 75mm. Accepts 23mm eyepiece reticle.
Viewing head rotates 360°.
Continuous magnification from 7.5x thru 45x.

Illumination

Top light is LED with directional beam and rheostat control.
Bottom light is LED for cool operation, greater light efficiency.
Base mounted light controls permit choice of top only, bottom only, or dual illumination.
Heavy-duty 3-wire grounded cord and plug.
110V-240V internal auto-switching power supply.
Supplied with American style IEC power cord.
Additional wall adapter for 240V operation required.

Focusing

Large dual focusing knobs with slip clutch to prevent damage to mechanism.
Tension adjustment eliminates focus 'drift'.

Stage

Two 80mm stage plates (frosted glass and reversible black/white plastic contrast plates).
Blue filter for transmitted light.
Locked-on stage clips.

Frame

Professional, all-metal frame, gray enamel finish.
Heavy-duty post mount with locking support collar, permits up or down adjustment of viewing head to accommodate different sized objects on stage.
Height: 340mm (13-3/8 in.) extends to 433mm (17 in.) for larger objects.
Base width: 171mm (6-3/4 in.), Base depth: 242mm (9-1/2 in.)
Net wt. 5.4 kgs (12 lbs)

Notes

* Free Ground Shipping within the continental U.S. only (excludes Alaska, Hawaii, PO Boxes and APO/FPO addresses).

Product Details

Magnification

0.75x to 4.5x Zoom

Optical system

Paired widefield 10x eyepieces are 45° inclined, with dual diopter adjustments, interpupillary adjustment from 55mm to 75mm. Accepts 23mm eyepiece reticle.
Viewing head rotates 360°.
Continuous magnification from 7.5x thru 45x.

Illumination

Top light is LED with directional beam and rheostat control.
Bottom light is LED for cool operation, greater light efficiency.
Base mounted light controls permit choice of top only, bottom only, or dual illumination.
Heavy-duty 3-wire grounded cord and plug.
110V-240V internal auto-switching power supply.
Supplied with American style IEC power cord.
Additional wall adapter for 240V operation required.

Focusing

Large dual focusing knobs with slip clutch to prevent damage to mechanism.
Tension adjustment eliminates focus 'drift'.

Stage

Two 80mm stage plates (frosted glass and reversible black/white plastic contrast plates).
Blue filter for transmitted light.
Locked-on stage clips.

Frame

Professional, all-metal frame, gray enamel finish.
Heavy-duty post mount with locking support collar, permits up or down adjustment of viewing head to accommodate different sized objects on stage.
Height: 340mm (13-3/8 in.) extends to 433mm (17 in.) for larger objects.
Base width: 171mm (6-3/4 in.), Base depth: 242mm (9-1/2 in.)
Net wt. 5.4 kgs (12 lbs)

Return and Warranty

Please note that return requests for National Optical items must be submitted within 14 days after the delivery date.

Note

Note: Please read description carefully. Do not base your order on the picture presented.

Reviews

National Optical 440-440PLL Zoom Stereo Microscope, 0.75x-4.5x

Identifiers

Return and Warranty

Technical Details

Return and Warranty

Reviews