Questions tagged “ef lenses”

Ask the Unique Photo creator community — gear, technique, post-processing and more.

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answers

468

Will the Canon EF 50mm f/1.8 STM work properly on an EOS 300 film camera?

lens-compatibility canon film-slr stm ef-lenses

Hellstorm

2y ago

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answers

254

Canon EF 85mm f/1.2 focus ring is loose, squeaks, and won’t focus manually

canon 85mm manual-focus lens-repair ef-lenses

Photography Stack Exchange contributor

4y ago

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answers

240

Why won’t my Canon EF 20-35mm f/3.5-4.5 open to f/3.5 on a 6D Mark II?

canon 6d-mark-ii aperture zoom-lens ef-lenses

Photography Stack Exchange contributor

5y ago

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answers

417

Can I use Canon EF lenses on the EOS R5 with the EF-EOS R adapter?

rf-mount canon lens-adapters eos-r5 ef-lenses

Photography Stack Exchange contributor

6y ago

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answers

216

Do EOS R/RP sensor microlenses reduce image quality with adapted EF lenses?

canon eos-rp adapters eos-r ef-lenses

Photography Stack Exchange contributor

7y ago

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answers

240

Canon EF 35-105mm USM autofocus struggles unless I help the focus ring — what is likely failing?

autofocus canon usm lens-repair ef-lenses

Photography Stack Exchange contributor

8y ago

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answers

202

Can I use inherited Canon EF/EF-S lenses and a ring flash on a newer body, and should I go full-frame?

canon full-frame ef-s aps-c ef-lenses

Photography Stack Exchange contributor

8y ago

votes

answers

259

Is slight focus-ring slippage normal on the Canon EF 24-105mm f/4L IS USM in manual focus?

canon usm manual-focus 24-105mm ef-lenses

user74600

8y ago

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answers

177

Will the Canon EF 85mm f/1.8 USM work on a Canon T5i for portraits?

canon t5i aps-c ef-lenses portrait-lenses

Photography Stack Exchange contributor

10y ago

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answers

244

Will older Sigma and Tamron Canon EF lenses work on a Canon EOS 600D?

sigma lens-compatibility canon tamron ef-lenses

Photography Stack Exchange contributor

11y ago

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answers

188

Do Canon EF/EF-S lenses work better on Canon mirrorless bodies than on other brands via adapters?

autofocus canon lens-adapters mirrorless ef-lenses

Photography Stack Exchange contributor

11y ago

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answers

246

What lens cap size fits the Canon EF 28-80mm f/3.5-5.6 USM?

canon lens-cap filter-thread accessories ef-lenses

Photography Stack Exchange contributor

11y ago

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answers

218

What’s the difference between the Canon EF 14mm f/2.8L USM and EF 14mm f/2.8L II USM, and will they fit a 5D Mark III?

canon lens-comparison full-frame wide-angle ef-lenses

Photography Stack Exchange contributor

12y ago

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210

How can I hold a Canon EF/EF-S lens aperture closed when using it reversed on an EOS 600D?

600d canon aperture reverse-macro ef-lenses

Photography Stack Exchange contributor

12y ago

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259

Can removing a Canon EF lens while holding depth-of-field preview damage the lens or camera?

lens-mount canon aperture depth-of-field-preview ef-lenses

Photography Stack Exchange contributor

12y ago

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225

Can I use my old Canon EF film lenses on a newer DSLR, and is it worth building around them?

lens-compatibility canon dslr beginner ef-lenses

Photography Stack Exchange contributor

12y ago

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answers

227

Are there third-party alternatives to the Canon EF-EOS M mount adapter?

canon lens-adapters mirrorless eos-m ef-lenses

Photography Stack Exchange contributor

12y ago

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282

Can a Canon lens serial number in EXIF be matched to the serial printed on the lens?

metadata canon exif lens-serial-number ef-lenses

Photography Stack Exchange contributor

12y ago

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295

Is the Canon EF 24-105mm f/4L IS USM weather sealed for shooting in rain?

canon lens rain weather-sealing ef-lenses

Photography Stack Exchange contributor

13y ago

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304

How much better are Canon Mark II L lenses than the original versions?

canon lens-comparison prime-lenses zoom-lenses ef-lenses

Photography Stack Exchange contributor

13y ago

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