Athlon Optics Midas MG31 - 3x27.5 Magnifier Overall Length_8.625" and firmware updates may be

and firmware updates may be obtained by using a ROKINON Lens Station

The Rokinon 50mm f/1

7˚ ASP-C 60

Three aspherical elements are incorporated in the optical design to control spherical aberrations for increased clarity and resolution from edge to edge

Magnification 3x Objective Lens Diameter 27

Athlon Optics Midas MG31 - 3x27.5 Magnifier Overall Length_8.625" and firmware updates may beMany times when in the field or during competitions you need to transition between no magnification for speed at close range and magnification for precision shooting as the situation dictates. The Athlon 3 power magnifier mounts behind a traditional red dot sight to provide magnification when needed. The mount has the ability to swing out of the way when not in use, but can quickly be placed behind the red dot to increase the magnification for longer