Canon EF and RF Lenses Forum

Advice needed on testing lenses

Hi everyone. I decided to run some sharpness tests on my L lenses. Trying to work as scientifically as possible, I adhered two pages of text from a magazine to a flat board, mounted it up, put camera bodies/lenses on tripod, measured everything to i...

Wide angle lens

Hey all new to the forums. Looking for a wide angle lens for my rebel 3ti. I am a woodworker by trade and sometimes find myself in small rooms that I just cant get into frame. Mainly kitchens. I would like to be able to fit an entire kitchen or room ...

What lenses to get for EOS 80D Body?

Hi there! I'm about to purchase my first Canon camera and I'm quite thrilled about it. I would say I'm an "experienced" beginner as I took some photography classes in school but after a few years of thinking about it, I've finally decided to get invo...

Resolved! Noob going on Safari

Hello, My wife bought me a T7I kit for Christmas to use on our Safari next summer. It came with some very nice close range lenses, the telephoto lens however is an older EF 75-300MM. After a lot of testing with the 75-300 I fear it just does not...

EF 100-400mm f/4.5-5.6L IS II USM lens, does it come with a manual booklet?

Just purchased an EF 100-400mm f/4.5-5.6L IS II USM lens from B&H and found it did not come with an instruction manual BOOKLET. It did come with a warranty paper and one piece of folded paper that says EF Lens Instruction for different models of EF ...

50mm f1. 2 or 85mm f1. 2

If the price is not a consideration and I do not currently own a fixed lens other than the 100mm Macro, and my objective is to experiment with an f1.2 which should I purchase, 50mm or 85mmI currently have:Canon 5DSrCanon 7DCanon EF 24-70mm f/2.8L II ...

Getting a new lens.!!

I bought my camera (200D) around a year ago and have been using the kit lens with it ever since, which has served me fine for a while. However I'd like to buy a lens with a lower f-stop so I can get bigger bokeh blurs in the backgrounds of my shots, ...

RF 50mm/F1.2 teardown at lensrentals

https://www.lensrentals.com/blog/2018/12/disassembly-of-the-canon-rf-50mm-f1-2l/ Very different from the EF lenses they have taken apart. (If the link gets excised, google "lensrentals disassembly canon rf 50mm"

High speed indoor shooting

I shoot a lot of indoor gymanstics. I have the 135 2.0 lens but still battle with blur. Is the 85mm 1.2 an appropriate lens or is it best left for portrait work. I've read a fair amount about it and seen some conflicting info.

Resolved! EFS 55-250mm f/4-5.6 IS II goes in and out when in auto focus mode

I recently purchased a EFS 55-250mm f/4-5.6 IS II canon lens. But the moment I attach it to my canon t5i camera and turn it on, it starts going in and out automatically. It stops when I shift to manual focus from auto focus. My other lens of 18-55mm ...

Resolved! Do extension tubes work with a macro lens

Hello: Do extension tubes help a macro lens gain further magnification or do they only help non macro lenses?I have a 100mm macro lens and love it, but am curious to know if extension tubes would help it.Thank you.

Help with a 100-400 mm IS II lens

Hi, I am finding that my lens after full zoom does not and cannot return to the resting position (100mm). It stops with about 1 inch of the barrel still sticking out. This happened when I had it connected to a Canon 6D mark II camera. Would anybody b...

complete sharp picture with F/1.4

I have purchased price lense EF 50 F/1.4 for night photography. I wan tto take complete sharp picture of night sky or landscape keeping F 1.4 or 1.8. Where should i focus.

Canon Lens only autofocuses during full zoom or no zoom

Hello, I have a canon EFS 18-55mm lens that I've been using for 5-6 years. The lens is in great condition cosmetically, but recently started having a peculiar problem. I usually use the lens in autofocus mode with the camera in auto as well. Recently...

400mm F/2.8 teardown at Lens rentals

Since the last link did *not* get excised:https://www.lensrentals.com/blog/2018/12/the-great-400mm-f2-8-teardown-competition-part-1-the-canon-400mm-f2-8-l-is-iii/ It uses the same focus motor as the R-Series 50mm / 1.2!

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Posts

Advice needed on testing lenses

Wide angle lens

What lenses to get for EOS 80D Body?

Resolved! Noob going on Safari

EF 100-400mm f/4.5-5.6L IS II USM lens, does it come with a manual booklet?

50mm f1. 2 or 85mm f1. 2

Getting a new lens.!!

RF 50mm/F1.2 teardown at lensrentals

High speed indoor shooting

Resolved! EFS 55-250mm f/4-5.6 IS II goes in and out when in auto focus mode

Resolved! Do extension tubes work with a macro lens

Help with a 100-400 mm IS II lens

complete sharp picture with F/1.4

Canon Lens only autofocuses during full zoom or no zoom

400mm F/2.8 teardown at Lens rentals

Real life IQ with the RF 14-35 F4L

Additions to the NEW RF STM lens lineup

Big Savings - Canon RF 100-500mm f/4.5-7.1 L IS US...

EOS M50 -doesn't take pictures with EF-M 15-45mm l...

RF 100-500mm F4.5-7.1 L IS USM, Auto Focus focuses...

Why can't I mount the FL 58mm f/1.2 lens on a Cano...

RF 100mm f2.8 macro lens serious focusing issues

Lens elements rattle/shake on RF 70-200mm F2.8 L I...

Sticker and blacked-out bar code on the box of a n...