Very
popular with all our growers and chemical supply reps because of it's
high power and large fixed field of view. The number one choice by chemical
supply reps for insect monitoring. Comes with a locking ring that will
customize to user's individual eyesight. Includes leather case to protect
lens when not in use.
For help in determining which is the proper hand lens
for your particular application please visit our planet school site:"The
Eyes Have It"