The ESCHENBACH Galilean systems for near and for distance and are available monocularly or binocularly. They are ideal for watching TV or a sporting event.
Galilean systems are small, light-weight optical systems similar to telescopes. They are comprised of a positive objective lens and a negative ocular lens

Binocular Galilean Systems for Near
Adjust-A-Scope loupe features independent focusing. Each lens can be adjusted like binoculars to vary the working distance. Adjustable lightweight lenses offer a 3" dept of field. Lenses "slide" to adjust pupillary distance.

• Unique adjustable frame allows the system to be fit immediately so it can be used THAT DAY! No lab required!
• Adjustable bars for the pupillary distance that can be locked in place simply by tightening the screws.
• Adjustable saddle bridge
• A perfect fit each time
• Adjustable focus

Lens: 7/8" diameter achromatic, color corrected glass lens (completely distortion free), Additonal fine focusing
Frame: Black plastic, reinforced with fiberglass
Weight: 70 grams(2.5 oz)
Case: Simulated leather zippered case, included
No. 9874-A (E1636-2), 2.5X magnification, Field of View: 15°, working distance 3" to 13-3/4", (7.5 cm to 35 cm)

No. 9874-B (E1636-3), 3X magnification, Field of View: 12.5°, working distance 2-1/8" to 8", (4.5 cm to 20 cm)

No. 9874-C (E1636-4), 4X magnification, Field of View: 8°, working distance 1-3/8"to 10", (3.5 cm to 20 cm)

Binocular Galilean Systems for Distance

• Adjust-A-Scope loupe features independent focusing. Each lens can be adjusted like binoculars to vary the working distance.
• Adjustable lightweight lenses offer a 3" dept of field. Lenses "slide" to adjust pupillary distance.

Galilean systems are small, light-weight optical systems similar to telescopes. They are comprised of a positive objective lens and a negative ocular lens.

• Unique adjustable frame allows the system to be fit immediately so it can be used THAT DAY! No lab required!
• Adjustable bars for the pupillary distance that can be locked in place simply by tightening the screws.
• Adjustable saddle bridge
• A perfect fit each time
• Adjustable focus
• The only loupe with a variable working distance

Lens: 7/8" diameter achromatic, color corrected glass lens (completely distortion free), Additonal fine focusing
Frame: Black plastic, reinforced with fiberglass
Weight: 70 grams(2.5 oz)
Case: Simulated leather zippered case, included

No. 9874-D (E1634), 3X magnification, working distance 28" (70 cm) to infinity, Visual Field 3X :160 m/1000 m* 9.5°

No. 9874-E (E1634-4), 4X magnification, working distance 31" (78 cm) to infinity, Visual Field 4X: 130 m/1000 m* 7.5°
 

Monocular Galilean System for Near
Complete with a slip-on attachment for eye-glass wearers. It can be used with the attachment or without as a hand held monocular.

Magnification: 3x or 4x
Weight: 30 grams
Case: Comes with leather, zippered case
Lens: Achromatic, coated, 23 mm diameter
Visual Field: 160 m/1000 m* 9.5°
Focus Range: see below - adjustable focus
Housing: Black plastic, reinforced with fiberglass
No. 9874-G (E1637-3): 3X, Field of View: 12.5°, Working distance : 2-1/8" to 8" (4.5 cm to 20 cm)
No. 9874-H (E1637-4): 4X, Field of View: 8°, Working distance : 1-3/8"to 10", (3.5 cm to 20 cm)
 

PLEASE NOTE:  All Gallilean products are special order from Eschenbach and are not returnable.