There are four basic models with various head configurations. It has an iris diaphragm and swing-out filter holder. Includes blue, green and yellow filters. 12v 20 watt halogen illuminator with variable intensity control Model prices vary according to the quality of the objective lenses desired. See the model line up here.
Vertical eyepiece has diopter adjustment.
Model prices vary according to the quality of the objective lenses desired. See the model line up here. See the complete price list here Like the model 160 but with a binocular head. Head has dual diopters and interpupillary adjustment of 54-76 mm. Model prices vary according to the quality of the objective lenses desired.