Royalty-Free Optical Instrument Photos, dominant color: black
- 3280x4928 Public Domain
- 5260x3507 Public Domain
- 3924x2616 Public Domain
- 4458x2972 Public Domain
- 5472x3648 Public Domain
- 2969x1974 Public Domain
- 4600x3047 Public Domain
- 5476x3651 Public Domain
- 5472x3648 Public Domain
- 5472x3648 Public Domain
- 4896x3264 Public Domain
- 3259x4889 Public Domain
- 3872x2592 Public Domain
- 4697x3131 Public Domain
- 4608x3072 Public Domain
- 5472x3648 Public Domain
- 2900x1933 Public Domain
- 5472x3648 Public Domain
- 2304x3456 Public Domain
- 5472x3648 Public Domain
- 3280x3264 Public Domain
- 2450x1633 Public Domain
- 3785x2417 Public Domain
- 2221x1416 Public Domain
- 3456x2304 Public Domain
- 3200x2029 Public Domain
- 2400x1435 Public Domain
- 4936x3232 Public Domain
- 2816x1936 Public Domain
- 1200x1600 Public Domain