https://community.usa.canon.com/t5/EF-RF-Lenses/Is-it-normal-for-RF-15-35mm-F2-8-L-to-get-lighter-or-darker-when/m-p/331081#M1892 <P>You probably need to post that question on the Red site.</P> Tue, 12 Jan 2021 17:37:16 GMT jrhoffman75 2021-01-12T17:37:16Z https://community.usa.canon.com/t5/EF-RF-Lenses/Is-it-normal-for-RF-15-35mm-F2-8-L-to-get-lighter-or-darker-when/m-p/331005#M1890 <P>I just purchased the RF 15-35 F2.8 and when testing on a Red Komodo&nbsp; when zooming from 35 to 15mm the image gets brighter.&nbsp; The opposite happens when 15 to 35mm the image gets darker.&nbsp; This seems odd because its a F2.8.&nbsp; Any Ideas?</P><P>&nbsp;</P><P>Thanks,<BR />Chance</P> Tue, 12 Jan 2021 01:34:56 GMT https://community.usa.canon.com/t5/EF-RF-Lenses/Is-it-normal-for-RF-15-35mm-F2-8-L-to-get-lighter-or-darker-when/m-p/331005#M1890 chance001 2021-01-12T01:34:56Z https://community.usa.canon.com/t5/EF-RF-Lenses/Is-it-normal-for-RF-15-35mm-F2-8-L-to-get-lighter-or-darker-when/m-p/331060#M1891 <P>I have no idea but it will not do that on a Canon camera.</P> Tue, 12 Jan 2021 15:14:48 GMT https://community.usa.canon.com/t5/EF-RF-Lenses/Is-it-normal-for-RF-15-35mm-F2-8-L-to-get-lighter-or-darker-when/m-p/331060#M1891 ebiggs1 2021-01-12T15:14:48Z https://community.usa.canon.com/t5/EF-RF-Lenses/Is-it-normal-for-RF-15-35mm-F2-8-L-to-get-lighter-or-darker-when/m-p/331081#M1892 <P>You probably need to post that question on the Red site.</P> Tue, 12 Jan 2021 17:37:16 GMT https://community.usa.canon.com/t5/EF-RF-Lenses/Is-it-normal-for-RF-15-35mm-F2-8-L-to-get-lighter-or-darker-when/m-p/331081#M1892 jrhoffman75 2021-01-12T17:37:16Z