TeleGizmos Objective Cover for a 4" Lens - TGQC Piers Light Gathering Power (Compared to

Light Gathering Power (Compared to human eye): 204 x

Transmission: 70% to 98%

This TeleVue TV-60 60° Accessory Package consists of four accessories which will make your existing TV-60 APO Refractor Telescope much more useful and enjoyable: (1) A 25 mm FL 1

Base attaches easily to telescope with adhesive strips

even at high magnifications or when using the filter far ahead of the focal plane (ie

TeleGizmos Objective Cover for a 4" Lens - TGQC Piers Light Gathering Power (Compared toTeleGizmos Objective Cover for a 4" Lens The TGQC will fit all refractor scopes up to and including a 4" objective. Great for providing temporary, thermally stable coverage of the objective when you are in environmental conditions which are changing. Every TeleGizmos Cover is manufactured in the company's own shop. Only the finest commercial Juki sewing machines are used. Their seamstresses are skilled experts in crafting TeleGizmos covers, both