Fig. 5: Determination of the interommatidial angle Δφ.
From: Pygmaclypeatus daziensis, a unique lower Cambrian arthropod with two different compound eye systems

For an explanation, see the text above. lenses.
From: Pygmaclypeatus daziensis, a unique lower Cambrian arthropod with two different compound eye systems
For an explanation, see the text above. lenses.