Objective Lenses for Microscope
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LTAB
[M]Material: Aluminum (Main Body)
[S]Surface Treatment: Black Anodize (Main Body)
[S]Surface Treatment: Black Anodize (Main Body)
Specification Table
| Part Number |
| LTAB3 LTABA10 |
■Objective Lens
| Part Number | Resolution µm | Depth of Field mm | L | L1 | Weight g | |
| Type | Magnification | |||||
| LTAB | 3 | 4.8 | 0.124 | 42 | 7 | 24 |
| 4 | 3.7 | 0.074 | 56 | 21 | 28 | |
| 6 | 2.4 | 0.031 | 71.5 | 34 | 37 | |
| 8 | 2.2 | 0.024 | 79 | 41 | 43 | |
■The Field of View and Monitor Magnification with Auto Extension Ring mounted to the Objective Lens
[!]Monitor Magnification: Expansion of magnification gained on the monitor based on magnification of the original lens and the actual size of CCD camera.
Data in the above table are only for reference, which are obtained through our actual measurements using 9 inches monitor.
Note that the size of monitor and monitor magnification are proportional, and therefore when the monitor size is different, its value will be different.
[!] CCD Camera Used: 400,000 pixels, resolution 570 TV lines (Horizontal)
| Auto Extension Ring No. | Objective Lens No. | CCD Camera Size and actual Field of View (Length × width mm) | CCD Camera Size and Monitor Magnification (9 Inch Monitor) | Shooting Distance WD | ||||
| 2/3 inch | 1/2 inch | 1/3 inch | 2/3 inch | 1/2 inch | 1/3 inch | |||
| 5 | 3 | 32 × 41 | 24 × 31 | 18 × 24 | 4 | 6 | 7 | 330 |
| 4 | 8.2 × 10.8 | 6 × 8 | 4.8 × 6.2 | 16 | 21 | 28 | 100 | |
| 6 | 3.3 × 4.5 | 2.6 × 3.4 | 2 × 2.6 | 38 | 50 | 67 | 47 | |
| 8 | 2.2 × 2.9 | 1.6 × 2.2 | 1.3 × 1.7 | 59 | 78 | 104 | 33 | |
| 10 | 3 | 20.5 × 27 | 15.5 × 20.5 | 12 × 15.5 | 6 | 8 | 11 | 230 |
| 4 | 7 × 9.3 | 5.3 × 7 | 4 × 5.3 | 18 | 24 | 32 | 93 | |
| 6 | 3.1 × 4 | 2.4 × 3.2 | 1.8 × 2.4 | 41 | 54 | 73 | 45 | |
| 8 | 2 × 2.7 | 1.6 × 2 | 1.2 × 1.6 | 63 | 83 | 110 | 32 | |
| 15 | 3 | 15.4 × 20 | 11 × 15 | 9 × 11.5 | 9 | 12 | 15 | 181 |
| 4 | 6.2 × 8 | 4.7 × 6.1 | 3.5 × 4.8 | 21 | 28 | 37 | 86 | |
| 6 | 2.9 × 3.8 | 2.2 × 2.9 | 1.6 × 2.2 | 45 | 59 | 77 | 43 | |
| 8 | 1.9 × 2.5 | 1.4 × 1.9 | 1.1 × 1.5 | 68 | 89 | 117 | 32 | |
| 20 | 3 | 12 × 16 | 9 × 12 | 7 × 9 | 11 | 14 | 19 | 153 |
| 4 | 5.5 × 7.1 | 4.1 × 5.4 | 3.1 × 4.1 | 24 | 31 | 42 | 81 | |
| 6 | 2.7 × 3.4 | 2 × 2.7 | 1.5 × 2 | 48 | 65 | 83 | 42 | |
| 8 | 1.8 × 2.4 | 1.4 × 1.8 | 1 × 1.4 | 74 | 96 | 127 | 31 | |
| 25 | 3 | 10 × 13 | 7.5 × 10 | 5.7 × 7.5 | 13 | 17 | 23 | 135 |
| 4 | 5 × 6.3 | 3.8 × 5 | 2.9 × 3.8 | 26 | 34 | 46 | 77 | |
| 6 | 2.5 × 3.2 | 1.9 × 2.5 | 1.4 × 1.9 | 51 | 69 | 89 | 41 | |
| 8 | 1.7 × 2.2 | 1.3 × 1.7 | 1.0 × 1.3 | 77 | 100 | 134 | 31 | |
| 30 | 3 | 8.5 × 11 | 6.5 × 8.5 | 5 × 6.5 | 16 | 20 | 27 | 122 |
| 4 | 4.5 × 5.9 | 3.3 × 4.4 | 2.6 × 3.4 | 29 | 38 | 51 | 73 | |
| 6 | 2.3 × 3 | 1.8 × 2.3 | 1.3 × 1.8 | 54 | 73 | 96 | 40 | |
| 8 | 1.6 × 2.1 | 1.2 × 1.6 | 0.9 × 1.2 | 81 | 107 | 138 | 30 | |
| 35 | 3 | 7.4 × 9.8 | 5.7 × 7.3 | 4.2 × 5.7 | 18 | 23 | 30 | 112 |
| 4 | 4 × 5.3 | 3 × 4 | 2.3 × 3.1 | 31 | 42 | 55 | 70 | |
| 6 | 2.2 × 2.9 | 1.7 × 2.2 | 1.3 × 1.7 | 58 | 77 | 103 | 39 | |
| 8 | 1.5 × 2 | 1.2 × 1.5 | 0.9 × 1.2 | 86 | 113 | 148 | 30 | |
| 40 | 3 | 6.6 × 8.5 | 5 × 6.5 | 3.9 × 5 | 20 | 26 | 34 | 105 |
| 4 | 3.8 × 5 | 2.8 × 3.8 | 2.2 × 2.9 | 35 | 45 | 59 | 68 | |
| 6 | 2.1 × 2.8 | 1.6 × 2.1 | 1.2 × 1.6 | 61 | 81 | 109 | 39 | |
| 8 | 1.5 × 1.9 | 1.1 × 1.5 | 0.8 × 1.1 | 89 | 118 | 154 | 30 | |
Data in the above table are only for reference, which are obtained through our actual measurements using 9 inches monitor.
Note that the size of monitor and monitor magnification are proportional, and therefore when the monitor size is different, its value will be different.
[!] CCD Camera Used: 400,000 pixels, resolution 570 TV lines (Horizontal)
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