The convenience and versatility of viewing large pictures at 10x magnification, then zooming continuously all the way to close-up detail at 40x magnification. Upright, unreversed 3-dimensional image remains in focus throughout zoom range.

Features top light with directional beam, bottom light with cool, long-life fluorescent illumination. 420T includes SLR adapter and video adapter.

• Achromatic, color corrected lenses
  
• Continuous magnification from 10x thru 40x
  
• Viewing head rotates 360°
  
• Paired widefield 10x eyepieces are 45° inclined, with dual diopter adjustments, interpupillary adjustment from 55mm to 75mm. Accepts 23mm eyepiece reticle.

• Top light is 12v 15 watt halogen bi-pin w/directional beam & rheostat control
  
• Bottom light is 110v 5 watt fluorescent for cool operation, greater light efficiency & extended bulb life
  
• Base mounted light controls permit choice of top only, bottom only, or dual illumination
  
• Heavy-duty 3-wire grounded cord and plug
  
• Available with 110v or 220v (220v is CE approved and supplied with European plug). To order 220v, add -220V to end of model number.
• Large dual focusing knobs w/slip clutch to prevent mechanism damage
  
• Tension adjustment eliminates focus "drift".

• Two 80mm stage plates (frosted glass and reversible black/white plastic contrast plates)
  
• Blue filter for transmitted light
  
• Locked on stage clips
• Professional, all-metal frame, gray enamel finish
  
• Heavy-duty post mount with locking support collar which permits up or down adjustment of viewing head to accommodate different sized objects on stage.
  
• Height: 13-3/8" (340mm) extends to 17" (433mm) for larger objects
  
• Base width: 6-3/4" (171mm), Base depth: 9-1/2" (242mm) Net wt.: 12 lbs. (5.4 kgs)

• Molded styrofoam container with rubber eye shields, vinyl dust cover and instruction manual
  
• Individual: Ship weight: 17 lbs. (7.7), Dimensions: 22 x 15 x 15 in. (550 x 375 x 375mm)
• Lifetime limited warranty, excluding bulb and fuse

Combines the precise optical performance of our most popular stereo model with a newly enhanced illumination system.

Specially designed incidental lamp can be directed precisely where needed, includes intensity control. Transmitted illumination is fluorescent for optimum light and very cool temperature to prolong life of live material.

• Paired widefield 10x eyepieces, 45° inclined, diopter adjustment, interpupillary adjustment from 55mm to 75mm.
  
• Eyepiece equipped with reticle holder/retainer to accept reticle with 23mm O.D.
  
• Viewing head rotates 360°, adjusts up or down on post mount to accommodate different size specimen.
  
• Paired objectives are parfocalled, parcentered and achromatic.
  
• Magnification changed by rotating objective turret 90° to positive click stops.

• Top light (incidental) is 12v 15 watt halogen, bi-pin with adjustable beam and variable intensity control
  
• Bottom light (transmitted) is 120v 5 watt fluorescent
  
• 4-position light control: top only/bottom only/top & bottom/off
• Heavy-duty rack & pinion focusing with slip clutch and tension adjustment

• Includes two 80mm stage plates: frosted glass and reversible black/white plastic contrast plate
  
• Blue filter for transmitted light
  
• Locked-on stage clips
• Professional, all-metal frame
  
• Heavy-duty post mount with locking collar, permits up or down adjustment of viewing head to accommodate different sized objects on stage
  
• Base width: 6-3/4 in (171mm), Base depth: 9-1/2 in (242mm)
  
• Height: 13 in. (325mm)

• Molded styrofoam container with instruction brochure, vinyl dustcover & rubber eye shields.
  
• Individual: Ship wt.: 16 lbs. (7.3 kgs), Dimensions: 22x15x15 in. (550x375x375mm)
• Lifetime limited warranty, excluding bulb and fuse.

All the quality features and versatility of larger stereo microscopes, in a compact size that is more efficient for many uses. Choose low or high magnification simply by turning the objective turret.

Viewing head is 45 degrees inclined and rotates 360 degrees so that user can position microscope conveniently in forward or reverse viewing position. Post mount permits head to be adjusted up or down to accommodate larger objects on stage.

Note: To order with 220v electrical system, add -220V to end of model number.

• Paired widefield eyepieces with diopter adjustment on left side. Interpupillary adjustment from 55mm to 75mm. Reticle holder/retainer accepts eyepiece reticle with 23mm O.D.
  
• Paired objectives are parfocalled, parcentered, achromatic.
  
• Magnification changed by rotating objective turret 90° to
  positive click stop.
  
• Working distance: 75mm. Maximum specimen height on
  stage, 35mm
  
• Head rotates 360 degrees to permit reverse head position viewing

• High intensity 12v 10 watt incidental and transmitted illumination is built-in
  
• Separate base mounted switches control power on/off, top and bottom lights, permit use of top light only, bottom light only, top and bottom lights together.
• Rack & pinion focusing has slip clutch to protect mechanism against over-turning, and special tension adjustment.

• Supplied with two 80mm stage plates, one frosted glass and one plastic black/white reversible contrast. Two locked-on stage clips.
• Rugged cast metal frame, gray enamel finish.
  
• Height: 12-1/4 in. (310mm) extends to 14-3/4 in. (370mm) for larger objects.
  
• Base width: 4-1/2 in., (115mm), Base depth: 7-3/4 in. (197mm)
  
• Net weight 5.5 lbs. (2.5 kgs)

• Molded styrofoam container with instruction brochure, vinyl dustcover & rubber eye shields.
  
• Individual: Ship wt. 9 lbs. (4.41 kgs), Dimensions: 16 x 17 x 11 in. (400 x 425 x 275mm)
• Lifetime limited warranty, excluding bulbs & fuses.

Same high quality optical system and precise mechanical components of the larger stereo microscopes. Upright, unreversed image. Available with 2x, 3x, or 4x objectives for different magnifications.

Optional eyepieces may be added later for increased magnification (20x is considered ideal for inclined, post mounted to permit 360° rotation and adjustment up/down to accommodate larger specimens.

• Paired widefield 10x eyepieces are supplied standard,
  45° inclined, with diopter adjustment . Interpupillary adjustment from 50mm to 75mm. Reticle holder/retainer accepts eyepiece reticle with 23mm O.D.
  
• Objectives are parfocalled, parcentered, and achromatic. Standard magnification of 20x is considered ideal. Higher
  magnification possible by selecting models with 3x or 4x
  objectives. Optional WF15x eyepieces increase magnification 50%

• High intensity 12v 10 watt incidental and transmitted illumination. Separate switches permit use of top & bottom, top only or bottom only.
• Rack and pinion focusing with slip clutch and tension adjustment.
  
• Mounted on metal post, adjusts up and down.

• 80mm reversible black/white plastic contrast plate and 80mm frosted glass stage plate.
  
• Locked-on stage clips.
• Rugged, cast metal frame, gray enamel finish.
  
• Height: 10-7/8 in. (275mm)
  
• Base width: 4-1/2 in. (115mm), Base depth: 7-3/4 in. (197mm)
  
• Net weight: 6 lbs. (2.7 kg)

• Molded styrofoam container with instruction brochure, eye shields and vinyl dust cover.
  
• Individual: Shipping weight: 9 lbs.(4.1 kgs), Dimensions: 16 x 17 x 11 in. (400 x 425 x 275mm)
• 5-year limited warranty excluding bulb and fuse.