Close-up lens

Details Close-up lens Close-up lens

1985-12-27

1988-09-06

Burke, Wallace R.

Photography and optical equipment

Optical article not elsewhere specified

Lens or objective

Patent

active

D02975459

REFERENCES:
patent: D223215 (1972-03-01), Takata
patent: D275766 (1984-10-01), Suzuki
patent: 4110005 (1978-08-01), Bohm et al.

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