topic Re: Canon Rebel T7 DSLR comability with SLR Lens in EF & RF Lenses

Canon Rebel T7 DSLR comability with SLR Lens

HokeyHokey — Tue, 29 Mar 2022 20:21:46 GMT

I'm looking to get an EOS Rebel T7 DSLR camera, but I'm also looking to get a 17-40mm Ultra wide-angle lens, but the only Canon lens I can find specifically says it's for SLR cameras. Does that mean it won't work for a Rebel T7 camera?

Re: Canon Rebel T7 DSLR comability with SLR Lens

jrhoffman75 — Tue, 29 Mar 2022 20:37:24 GMT

Any lens that says it is compatible with Canon EF mount will work with your camera. The 17-40 lens was released back when film cameras were the standard.

Re: Canon Rebel T7 DSLR comability with SLR Lens

Tronhard — Tue, 29 Mar 2022 23:40:45 GMT

The 17-40 is an old lens but a good one. As John said, it will fit on your camera, just be aware that because your camera has a smaller sensor than a FF camera, it will actually provide a Field of View (what the sensor actually captures) equivalent to that of a 27-64mm lens - which is still wide angle (but not ultra wide angle), and will have a definitely narrower FoV than it would on a full-frame body.

To give you an idea, here is a photo taken with a similarly crop sensor body, the Canon D30 with the 17-40 at its widest.

If you really want ultra wide angle, then something like the Canon EF-S 10-22mm f/3.5-4.5 USI is a very good lens, and on your body would produce a FoV of 16-35mm - which is ultra wide. Neither this, nor the 17-40 f/4 is stabilized.

If you are prepared to accept Another great lens in the same general range, and that is stabilized, is the excellent EF-S 15-85mm f/3.5-5.6 IS USM, (FoV 24-136mm) which offers an extremely versatile range and great optics. No longer made, but you can get good ones second hand - I have a couple and love them!

Again, to give you an idea of this lens' widest FoV, this image is taken with one on a Canon EOS 60D - same size sensor as yours.

EOS 60D, EF-S 15-85@15mm, f/10, 1/250sec, ISO-400

Re: Canon Rebel T7 DSLR comability with SLR Lens

ebiggs1 — Wed, 30 Mar 2022 14:17:05 GMT

"Any lens that says it is compatible with Canon EF mount ..."

Perhaps a bit more simple to understand is the lens will have "EF" or "EF-S" in its name. I.E., EF 17-40mm f/4L USM Lens. Or, EF-S 17-55mm f/2.8 IS USM Lens. BTW, the latter is a far better choice for your T7 and nearly the same price.

Re: Canon Rebel T7 DSLR comability with SLR Lens

HokeyHokey — Wed, 30 Mar 2022 15:41:27 GMT

I'd be using it for real estate photos, so would image stabilization be a priority in this case?

Re: Canon Rebel T7 DSLR comability with SLR Lens

jrhoffman75 — Wed, 30 Mar 2022 15:44:47 GMT

You can use a tripod for real estate shoots, so I wouldn’t consider IS a priority for that use.

Re: Canon Rebel T7 DSLR comability with SLR Lens

Tronhard — Wed, 30 Mar 2022 16:38:04 GMT

Well, I will put it this way: one of the most renowned real estate photographers in the US, Scott Hargis, uses a Canon EF17-40, but with a full-frame camera that will give an actual 17-40 performance, so to get the same FoV the EF-S 10-22 would give you that extra angle. I have one, and it's a good lens. Scott has some videos on real estate photography and has an excellent e-book available called Lighting Interiors - a very instructive read.

Like any ultra wide angle you need to make sure that your verticals are vertical - introducing tilt into images creates a sense of tension, and makes the wall feel like they are falling in on you, and you don't want that in real estate images.

Here are a couple of samples of the kind of thing I think you are looking for. Both taken with the 10-22mm @ 10mm (so FoV 16mm)

Re: Canon Rebel T7 DSLR comability with SLR Lens

HokeyHokey — Wed, 30 Mar 2022 16:59:43 GMT

So using a 10-22 with a rebel T7 gets you the same, or nearly the same, FOV as a 17-40 with a full-frame camera?

Re: Canon Rebel T7 DSLR comability with SLR Lens

Tronhard — Wed, 30 Mar 2022 17:07:18 GMT

Yes.

Re: Canon Rebel T7 DSLR comability with SLR Lens

Waddizzle — Thu, 31 Mar 2022 08:59:24 GMT

Lot’s good insights above.

But, where are you looking to purchase one? This is an older lens, so it is more than likely a used lens. I am going to assume that it is used, with some degree of wear and tear showing on it.

A new lens would come with a lens hood and a lens bag for storage. Many used lenses do not. Many used lenses can have mold and mildew growing inside of them.

So, I ask again. From where are you planning to buy one? Inexperienced buyers are taking big chances shopping on eBay, and even Amazon. Buyer beware. A good source for used gear are places like KEH, MPB, B&H, and others that I have never used before.

The Canon Online Refurbished Store is probably the best source for discounted Canon gear. All of the gear fully checked out, and comes with a one warranty. A warranty is a very different type of support compared to a “guarantee”.

Re: Canon Rebel T7 DSLR comability with SLR Lens

Tronhard — Thu, 31 Mar 2022 17:51:15 GMT

You are absolutely right Ernie about having to go second-hand or refurbished for these lenses. That is now a fact of life for more and more EF and EF-S lenses, since Canon is no longer making a lot of them.

Canon DO have an annoying habit of providing lens hoods for only their L lenses. Still, one can get a third-party hood from on-line sources - you haven't got much risk with a piece of plastic. I totally agree with you about getting from a reputable source, and preferably one that will provide some sort of warranty - even if it's only a few weeks, so you can test the lens and make sure it's up to the advertised condition.

I have bought my 10-22, and 15-85's and a couple of 18-135's used and so far had no issues. L lenses are built like tanks, so unless one has been mistreated ( and there are usually signs of that), then the risk should be a bit reduced.

One day, when I depart this mortal coil, someone is going to get a lot of used, but immaculate camera gear - I am absolutely fastidious about looking after it, and all my gear is still kept in its original packaging and stored in an environmentally-controlled room. Still, I hope that time is a while off yet...

Re: Canon Rebel T7 DSLR comability with SLR Lens

ebiggs1 — Fri, 01 Apr 2022 14:36:56 GMT

When I was doing my lens testing phase (going through as Miss Liz says 😁), some 50 or 60 lenses, the "used" lenses I sold on, at half price, were in mint condition. They were exactly as they came from the manufacturer. All papers and all accessories and box with packaging complete as delivered. However the ones that stayed, found a home, look used because I use them! Nothing is mistreated really but it isn't babied either. They do what I want or they don't. No in between!

Re: Canon Rebel T7 DSLR comability with SLR Lens

jrhoffman75 — Fri, 01 Apr 2022 14:42:01 GMT

@ebiggs1 wrote:
"Any lens that says it is compatible with Canon EF mount ..."

Perhaps a bit more simple to understand is the lens will have "EF" or "EF-S" in its name. I.E., EF 17-40mm f/4L USM Lens. Or, EF-S 17-55mm f/2.8 IS USM Lens. BTW, the latter is a far better choice for your T7 and nearly the same price.

While Canon manufactured lenses will say EF or EF-S on the lens many compatible third-party lenses will not.

Re: Canon Rebel T7 DSLR comability with SLR Lens

ebiggs1 — Fri, 01 Apr 2022 16:19:01 GMT

"While Canon manufactured lenses will say EF or EF-S on the lens many compatible third-party lenses will not."

Oh, so true, JH and most, if not all, will not say it. But in Canonland it is valid.