2-way Macro Focus Rail Slider Long-type Tripod Head Plate, Head Plate

1. For macro shooting, or shooting film negatives
2. Locking knob and sliding the side knob
3. Lateral scale, moving more accurate
4. Activities Scope: 16cm
5. Bottom there is alveolar, fine sliding accurate positioning; the bottom of the standard 1 / 4 screw holes, can be directly screwed to a tripod, head to use
6. Size: 16cm x 9.5cm x 1.5cm
7. Material: Metal