EF & RF Lenses
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ef 70-300mm f/4-5.6 is usm is not capturing photos

I bought a used ef 70-300mm f/4-5.6 is usm and while it seems to otherwise work (IS, AF), it doesn't capture anything on the card... just black. I'm using it on an 80D. Am I doing something wrong or do I need to get my money back? laurie

lbazarnic by Occasional Contributor
  • 13 replies

Astrophotography Lens?

Hello: I am just getting into astrophotography and am looking for a good, entry level wide angle  lens for my SL2...It needs to be f1.4 or f2.0...I am willing to consider used if in good shape...Any advice will beappreciated! Thanks...

LTCSZ by New Contributor
  • 11 replies

extension tube question

I need to know the inside diameter of the Canon 12mm extension tube. I want to use the extension tube between my 1.4X III teleconverter and my 100mm 2.8 L macro (which are otherwise non-compatible). I have read where people are using this combo succe...

DougFraser by Occasional Contributor
  • 34 replies

Question regarding FD lenses on modern cameras.

I recently got a Gobe FD to EOS adapter for my Canon T7i so that I can use my Uncle's FD lenses he's had in storage. One of the lenses is a 50mm f/1.8. No matter my shutter speed or ISO, when I open the aperture to f/1.8, any light source causes a so...

Advice on a purchase!

Bear with me here. I was going to spend about $400 on two items for my workshiop. Have gone for years without them so I decided to go in another direction. Had a conversation with the CEO of the organization. OK to spend the money if it will be used ...

Tintype_18 by Super Contributor
  • 21 replies

Questions regarding super zoom lenses

I've got a canon 2000d that I use to shoot landscape photography. It came with the 18-55mm kit lens with no image stabilization. I got a 10-18mm wide angle lens and so now I was looking for something at the telephoto range, and then eventually upgrad...

Recommendation please

I'm looking for a recommendation for lens(es).  I'm planning to volunteer for Now I Lay Me Down to Sleep (stillbirth/end of life  photography) to help parents/siblings heal from tragic loss.  I have a 6D Mark II and I have specialized in landscape/wi...

Wonderwoman by Occasional Contributor
  • 11 replies

Talk me out of buying the canon 50 mm 1.2

Hello everyone,, I want 2 lenses in my arsenal a great zoom and a great prime.I have a great zoom and now if like to get a great prime, and I love the 50mm f range. I own the 50 1.4 and it's ok but...It's rather expensive and while I do have the mean...

Hinata by New Contributor
  • 14 replies

Resolved! Canon 50mm 1.8 STM stays extended

Hi ! I bought a canon EF 50mm f/1.8 STM lens for my DSLR Camera.I saw today that the internal house is out, It stays extended when powered off. I pushed It back manually (with my hand). I know, I can push back It with the focus ring but I did iI with...

magyi98 by New Contributor
  • 4 replies

Resolved! EF 24-105mm f/3.5-5.6 IS STM

Hi, very beginner question about lenses here.I have a 3rd hand Canon EOS 5D, but no lenses to go with it. I think I'd like to go with the   EF 24-105mm f/3.5-5.6 IS STM  but want to make sure first that is is compatible with the camera. Is this an EF...

PEICanon by New Contributor
  • 6 replies

What’s your APS-c “holy trinity” of lenses?

I have a few aps-c canon cameras and a couple dozen EF and EF-S lenses and I’ve never been able to replicate the full frame holy trinity of lenses using EF-S lenses. So what are your lens combos to cover whatever is needed if you’re out for the day s...

AF on 24-70mm f4 won't "Lock"

Hi Forum, I've been using the same 24-70mm f4 Canon lense for about  five years. A couple months ago, the Auto Focus stopped "holding" or "locking" when I re-composed. As always, I focus on the area of most interest, then hold the exposure button hal...

tmalleman by New Contributor
  • 2 replies

Resolved! Dew Point Temperature

Is there a temperature below which lense fogging becomes a problem . I have a dark site trip planed to Portal, AZ in May and the average night temp will be arround 45F (8C). Should I be concerned about fogging? I will be shooting with a Canon EF 24mm...

LuckyJames by Occasional Contributor
  • 7 replies

Buying the EF 400 f/2.8 IS III?

I don't own any "super tele" lens. I have the EF 70-200 f/2.8 III and a Canon 2x extender but I'm not that satisfied with the image quality and the depth of field with that combination.Are there any people here owning this lens or are there other opt...