EF & RF Lenses
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What is your go to lens?

Excluding 70-200 and 24-70 because they are great and of course we all love them, what is that lens that just works like magic for you or does it's job every time, is underrated, overlooked, forgotten, or you're using in an unusual way, and how are y...

Replacing weather seals on L lenses

Is it possible to purchase the rear rubber weather seal for an L lenses from Canon and replace it myself? How hard is it to unscrew the rear metal mount and put it back without screwing up any alignment? I'm looking at a used EF 24-105mm F/4L IS VI b...

JohnLo by Contributor
  • 10 replies

Resolved! EF-R Adapter vs RF native lenses

Hi folks. I have a couple EF lenses I decided to use with my RP (EF16-35mm 1:4L and EF100-400mm). Is there a significant difference in performance or image quaility converting the EF lenses to RF mount? 

KennyRay by Contributor
  • 4 replies

Buying Used Lenses

Hello, Full disclosure, I know very little about cameras.  I just purchased a Canon EOS 90 D body only (upgrade from a Canon Rebel XSI).  Per suggestions via discussion boards, I am planning to purchase the Canon EF-S 17-55mm f/2.8 IS USM Lens.  I re...

Good portrait lens for under $200

So I'm looking to get a well performing lens for portraits for under $200 or close to that price. I have a crop body and right now have an 18-55mm IS STM Kit Lens and 55-250mm IS STM Telephoto lens. My wife has taken and interest in learning and doin...

How to perform hyper focus with Canon EF 11~24mm F4 L USM ?

I have been using Sony a7II and many vintage primes for shooting landscapes.  Recently, I interested in Canon EF 11~24mm F4 L USM, attracted by its abilities of the ultra-wide abiltities.  I have a very serious problem.  I do not know how to set the ...

Dianoban by Enthusiast
  • 12 replies

EF 16-35mm f/2.8 L III USM

I have been looking at lenses - This lens does not have Image stablization.  The Picures I have taken so far are pretty good.  But seeing other lenses RF have IS.  I see other lenses with f/4.has IS.   My question is the lens being f/2.8 not need IS ...

tzum57 by Apprentice
  • 7 replies

70-30 IS I blurry with Canon RP?

Hi all -- I have a Canon RP and it works very well with all my EF lenses except for my 70-300 IS I. For that lens, my pictures come out extremely blurry at all focal lengths and is only sharp in the center (improves slightly by stopping up). I didn't...

dqschwab by Apprentice
  • 8 replies

Canon EF 70-200mm f2.8 L IS II USM Part Inquiry

Hello Everyone, it’s my first time on the forum, I recently dropped my 70-200 ii (heart shattering sound) and got a dent on the lower ring where the lens mount is with contact prongs. I have been researching but I can’t seem to find the name of the p...

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Lens serial numbers in Exif

Early EF lenses have no lens serial number tag in Exif (300/2.8L IS). Around 2004-2005, two years before AFMA, Canon added a lens serial number that is partially written in hexadecimal (50/1.2L). The way to decode this is not public, but Canon has us...

Peter by Authority
  • 9 replies

Canon RF 35mm f/1.8 Macro IS STM Lens

I'm interested in purchasing the Canon RF 35mm f/1.8 Macro IS STM Lens for portrait photography, but not sure it will fit my base. I'm currently using a rebel T6i and have no intentions on switching bases, just curious if this lens would fit.

RF lens roadmap 2021

According to Canon Rumors here is what is in store for 2021. Although technically the Coke-can sized RF 70-200mm f4 L IS USM lens was to be released on 12/10/20, it was delayed. A sign of the times, I guess. The lens should should arive on 1/29/21, a...

John_SD by Whiz
  • 4 replies

EF 70-200 f2.8 IS iii USM + RF 24-105 f4 IS USM

Hello guys, I recently bought the above lenses from Greece and when I received them all the details on the box removed, like the serial number, then I tried to check the serial numbers using this link https://www.canon.co.uk/about_us/serial-number-ch...

kosta99 by Contributor
  • 17 replies

Touchup paint for White L lenses

In case anyone is interested I found a paint that is an extremely close match to the original "white" L lenses. Krylon Satin Touch 3520 Pebble SKU 7 24504 03520 6. I have actually had my can for a few years but yesterday I was touching up an EF 2X II...

JohnLo by Contributor
  • 2 replies
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