Teleconverter? I have a Canon Rebel T7 aps-c. My best telephoto lens is the EF 70-300mm f4-5.6 US USM. Can I safely use a 2x teleconverter with this combo? I know it will knock my aperture down 2 stops but I am wanting reach if it’s needed without spending over $500. I also know that with some lenses it will damage the mirror if I pull in to the 70mm area but …

Is there a teleconverter for this lens? Canon ef 70-300mm f4 is usm. If so please send me in the right direction. Thank you. submitted by /u/Fragrant-Mud-542

Weird teleconverter I found this on my box of random stuff anyone know what type mount this os submitted by /u/Ok_Imagination_6589

Teleconverter for Sony A7R – 1.4 or 2 x? We are taking a trip to Banff next month, and I have my 70-200 G Master that I will be bringing along. However, I would really like to have the option of some extra reach with the teleconverter for catching some wildlife. I have heard mixed reviews on the convertors regarding their impact on the auto-focus and clarity. Lots of articles seem to …

Will this Teleconverter work with my Lens? I have a Canon EF-S 55-250mm IS lens and wanted to find out if the following teleconverter will work with my lens? I know it says only for the Powershot G7 and G7 but it has a 58mm thread so I don’t see why it won’t work. submitted by /u/Yahya_sindhi1502