EF & RF Lenses
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Focal length of a portrait lens

From time to time (including recently), someone questions why the best portrait lenses tend to be a bit on the long side of normal. The short answer is that if you get close enough for the subject's head to fill the frame, a shorter (normal or WA) le...

EF 24-105 4L IS USM dropped, zoom ring too tight

I recently dropped my EF 24-105 4L IS USM lens, and now the zoom ring is extremely tight, which causes issues when shooting video. Just wondering if this might be repairable or would be more practical to replae it. 

KonaBolt by New Contributor
  • 1355 Views
  • 8 replies
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EF lens diameter of image field.

Dear friends, I need to know exactly the size of the projection circle or diameter of image field, of my Canon lenses. I am not finding this information online or in my Canon documentation. Please, I ask you for this information. Lens:Canon EF 100mm ...

Cunha by Super Contributor
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  • 19 replies
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Stiff Zoom Collar 55-250

I bought a used 55-250 IS II lens from a private seller on eBay. I adore it. The IQ is staggering, particularly for close-ups. The zoom collar is, though, stiff enough to sometimes rattle the lens mount hole against its locator pin. I don't think the...

Quiet by Frequent Contributor
  • 1021 Views
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Porplem with 70-200 2.8 II after repair

In first my lens 70-200 2.8 II was had fall accident , The stabilizer has been affected , the photo was Jumping .i sent it to repair shop and they fixed the problem and return it to me but the lens des'nt working well .i hav probleam in focus and the...

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ahmedbasha by Occasional Contributor
  • 672 Views
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70-200 f2.8L photos too soft

I am facing IQ issues with all photos I am capturing with my 70-200 on a 5dm4. Even when mounted on a tripod under good lighting conditions, I can't seem to get crisp photos. They come out pretty soft. I am not sure if its my technique or if there is...

uptheirons by Occasional Contributor
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  • 16 replies
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Resolved! Lens Aperture vs F-Stops on camera

Hi all,another beginner's question that confused me alot.So, here hopes some experts can demistify this fog. I am confused with the relationship between the constant aperture number found in some luxury lens and the f-stop/f-number that is shown in t...

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tesla by Occasional Contributor
  • 1505 Views
  • 23 replies
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Resolved! Canon EF 75-300mm III to Canon Rebel T5

Hi, I picked up a used T5 with the 18-55 mm kit lens and also the 75-300 mm. I can't attach the 75-300mm lens to the camera for some reason. I place the lens into the opening and match the red dots for the EF lens. The issue is, I can't twist to lock...

zjasani by New Contributor
  • 866 Views
  • 5 replies
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What lens do you use for close ups when you don't have a macro

Hi folks! I've been playing around with photography for close to a year now, almost all of that has been wildlife so the couple of lenses I have bought have been longer focal length.  Ocassionally though, I see a flower or an insect I love. I haven't...

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Wayne3 by Frequent Contributor
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  • 32 replies
  • 1 likes

Lens Question

I currently own a Canon EOS DIGITAL REBEL XS with just a Canon EF-S 18-55mm f/3.5-5.6 IS. It was given as a gift and I don't know much about cameras.I'm looking to buy a lens for doing more zoom shots (mostly nature and wildlife), would the a Canon 7...

umiedotre9 by New Contributor
  • 1260 Views
  • 11 replies
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Sigma lens inquiry

I have a question, I have just recently bought a used sigma 18-35mm from a retailer for my canon 80d that stated it was for Nikon however I’ve done my research and know that the lens itself supports canon and certain other cameras with an APS-C senso...

Jaylamarr23 by Occasional Contributor
  • 1053 Views
  • 13 replies
  • 0 likes