My Awesome Field Guide to Rocks and Minerals: Track and Identify Your Treasures (9781641525954) Replacement Lens Exactly this precise distance control

Exactly this precise distance control allows for good illumination of the camera sensor during afocal projection

8° only minimal performance loss at edge of FOV Wavelength range: 400 - 700 nm Spot size: < 4

100 user defined programmable objects

Connect with a single cable to ARCO to remotely control also the camera rotator and field de-rotator

multi-layer coating that reduces reflectance in the visible light spectrum

My Awesome Field Guide to Rocks and Minerals: Track and Identify Your Treasures (9781641525954) Replacement Lens Exactly this precise distance controlBecome a rock hound with this field guide for kids ages 7 to 10 The world of rocks and minerals is massive, amazing, and full of cool new things to uncover! My Awesome Field Guide to Rocks and Minerals teaches you the skills you need to collect, identify, and catalog your own treasures. Explore 150 different rocks and minerals, and get step by step guidelines for testing and identifying the ones you encounter out in the field. Theres also plenty of