The first characteristic to be considered when identifying pollen grains are the apertures. An aperture is a thin or missing part of the exile. Two different types of apertures can be distinguished: pores and fissures. In some pollen grains, the exine around the apertures is either thicker or thinner. The HEXA PANTO set is a new development, an Aptica reader with a sun clip-on… enjoy the sunny-side of reading!
MONAD demi amber
COLLATE midnight blue
APERTURE demi amber
panto shape - size L48-N19-T139 - octagon shape - size 47-N20-T139
lens powers +1.00 > +3.50 and a pupil distance ( pd ) of 62 +- 1mm