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3309_50-150M
Unmounted bi-concave lens, 50 mm diameter, 150 mm focal length
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From $2.20 /Unit
3309_50-300M
50mm Bi-Concave Lens, Reduces/Spreads Light, Various Focal Lengths, Bulk Discounts.
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From $2 /Unit
Lenses Spherical, Unmounted, Bi-Concave 75 mm Diameter FL 200 mm
Made Of Polished Glass With Ground Edges
Lenses Spherical, Unmounted, Bi-Concave 50 mm Diameter Fl 150 mm
Unmounted bi-concave lens, 50 mm diameter, 150 mm focal length
Lenses Spherical, Unmounted, Bi-Concave 50 mm Diameter Fl 200 mm
Unmounted bi-concave lens, 50 mm diameter, 200 mm focal length
Lenses Spherical, Unmounted, Bi-Concave 50 Mm Diameter Fl 300 Mm
50mm Bi-Concave Lens, Reduces/Spreads Light, Various Focal Lengths, Bulk Discounts.
Electric Generator, Hand Cranked With Clear Shell, Educational
Clear shell generator for educational demonstrations, hand-cranked.
Petri Dishes With Lid, Clear Polystyrene (100X15 Mm)
Clear dishes for growing mold and bacteria with lids.
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