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DPChallenge Forums >> Hardware and Software >> Canon 28-105 or Tamron 28-75?
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08/03/2006 11:21:13 PM · #1
Which one for a good walk around lens?

on Fred Miranda these were both rated highly.

One thing thous is that many reviews stated they had to try out a few of the Tamrons before they found one that 'fit' there camera...meaning one might not focus at all and have soft pictures, but another would be dead-on and tack sharp.

Any suggestions? This would be for my 350D I'm getting.
08/03/2006 11:46:32 PM · #2
The 28-105 is a 3.5-4.5 right? So it's between half a stop and a stop and a half slower than the Tamron if that's the case. It might not make much of a difference at the wide end, but at the long end sometimes the faster shutter speed really helps. And it's simpler IMO to have a lens with a constant aperture.

I don't know about others, but I only ever had to buy one copy of the Tamron to get one that works just fine. I don't think I would mess with a lens where half of them didn't work properly, but I haven't heard anything like that about this particular lens.

Actually, for a walkaround lens, it sort of depends on your preference to wide vs. long shots. If you want to shoot a lot of landscapes, you might as well get the 18-50 (ish) from Tamron that's almost the same thing as the 28-75 but different focal lengths. The 28-75 is really good on a full frame sensor, but on the crop sensor it goes from slightly wider than 'normal' (45mm), to medium telephoto (120mm).

It's good for tight portraits and stuff like that, and I like it for events where you have to sit/stand kind of far away from the speaker or performer or whatever, since it lets you zoom out and get a partial crowd shot or zoom in and get a close up of the person up front. It's really good for macros also, if you don't need to focus way close on tiny things like a dedicated macro lens would.
08/03/2006 11:57:37 PM · #3
thanks for the info! I'm planning on getting the 50 1.8 too....just because it's so cheap and seems everyone has one.

Message edited by author 2006-08-03 23:59:05.
08/04/2006 12:01:06 AM · #4
I'm pretty sure that the 28-75 is parfocal (keeps focus even while zooming).

So is the Tamron 24-135, even though it has a variable aperture range.

Definitely worth a check due to it's range. Those 4mm wider is really useful.

Not sure about the 28-105 by Canon.

I'd probably either go for the 24-135 or the 17-50 f/2.8 by Tamron personally as those ranges appeal to me more. (actually, I will be going for the f/2.8 lens)

make sure you stop that 50mm lens down. It's trash wide open IMHO. Starts getting a lot better at f/3.5, but doesn't really come into it's own until around f/5.6 or so... I've gone through three of them now.

Message edited by author 2006-08-04 00:02:07.
08/04/2006 12:03:46 AM · #5
Love my Tamron. I'm very happy with it. I reviewed a lot of lenses prior to buying the Tamron and I'm sure I looked at that Canon and found the reviews to be less positive. Is that Canon the IS version?
08/04/2006 12:28:54 AM · #6
The IS version is the 24-105 f/4L.

It's a fair bit more money...

A friend of mine uses the 28-105 and he really likes it.

I'd just rather have the extra range of the 24-135 if it were me.
08/04/2006 12:45:18 AM · #7
I have the tamron 24-135 3.5-5.6 SP lens - great lens, i (and many others) highly recomend it. About $400.

The 28-75 is a 2.8 lens and while that's great, IMO it's not a good walking around lens. 28 is not wide enough on a 1.6 crop camera and 75 is halfway to where you want to go. it's a great range for film or a 5D though.

Look at the sigma 18-50 2.8 EX or tamron 17-50 2.8, both around $400. You'll want more reach at times though (i have the sigma and wanted more reach).

You can get the sigma 70-200 2.8 (or canon 70-200 2.8, 2.8 IS or F4) and have a great lens - the gap of 50 to 70mm is not noticed. You have to carry two lenses and swap them at times though.

You need/use different lenses for different things. i use my tamron 70-210 2.8 for portraits, weddings, and anything telephoto oriented (not much really in that area for me, i'm not a wildlife shooter). The 18-50 2.8 is great indoors, low light, museums, landscapes, etc.

the tamron 24-135 is a great walkaround and studio lens, and does decent macro work too and is a great night shot lens as you can zoom in and focus and zoom out and the focus stays the same.
08/04/2006 01:33:58 AM · #8
Originally posted by eschelar:

make sure you stop that 50mm lens down. It's trash wide open IMHO. Starts getting a lot better at f/3.5, but doesn't really come into it's own until around f/5.6 or so... I've gone through three of them now.


That's pretty weird. I usually shoot mine wide open and I've had pretty good results... I do get a little CA sometimes, but not a lot. The focus switch on mine was sketchy when it was new, but optically it seems fine.
08/04/2006 04:13:23 AM · #9
Originally posted by MadMan2k:

Originally posted by eschelar:

make sure you stop that 50mm lens down. It's trash wide open IMHO. Starts getting a lot better at f/3.5, but doesn't really come into it's own until around f/5.6 or so... I've gone through three of them now.


That's pretty weird. I usually shoot mine wide open and I've had pretty good results... I do get a little CA sometimes, but not a lot. The focus switch on mine was sketchy when it was new, but optically it seems fine.


Yeah, 50mm f1.8's pretty damn sharp wide open, the bokeh's not as nice and it's not quite as sharp wide open as the 85 f1.8, but it is pretty damn sharp.
08/04/2006 09:18:22 AM · #10
I've had the 28-105, the Tamron 24-135, and the 28-75. I finally settled on the 28-75 because of its sharpness and speed. I was very disappointed in the 28-105 when I took pictures of people and saw the eyes were not sharp. It's sharpness was not very good (I had 2). I was similarly disappointed with the 24-135 as it wasn't nearly as sharp as th 28-75 I was comparing it to. I also tried two copies of this lens since I really wanted to like it for its range. The 28-75 is just an amazing lens and blows everything of similar price away.
08/04/2006 10:50:27 AM · #11
Originally posted by Prof_Fate:

I have the tamron 24-135 3.5-5.6 SP lens - great lens, i (and many others) highly recomend it. About $400.

The 28-75 is a 2.8 lens and while that's great, IMO it's not a good walking around lens. 28 is not wide enough on a 1.6 crop camera and 75 is halfway to where you want to go. it's a great range for film or a 5D though.


The 2.8, which you probably don't have, is a fantastic walk around lens. Not wide enough? On a walk around? Interesting.

And 75 is fine for a walk around...its actually a standard walk around range.

And no, it isn't great for a film camera or a 5d because it won't fit on those cameras.
08/04/2006 10:57:54 AM · #12
Originally posted by specialk0783:


And no, it isn't great for a film camera or a 5d because it won't fit on those cameras.


The above is not correct. The Tammy will cover full-frame sensors or film:

The Tamron SP AF28-75/2.8 XR Di LD Aspherical (IF) Macro is a Tamron "Di" lens. Di lenses designed with digital SLRs in mind and Tamron say that they have higher resolution, better control of flare and ghosting, less light fall-off and lower chromatic aberration than earlier designs.

Note that the Tamron SP AF28-75/2.8 XR Di LD Aspherical (IF) Macro has full frame 35mm coverage. Just because it's designated as a "Di" (digitally optimized) lens doesn't mean that it has reduced frame coverage like, for example, the Canon EF-S series lenses. You can use this lens on an APS-C sensor SLR (e.g. Canon EOS 20D) or on a full frame 35mm film body.


R.
08/04/2006 11:30:31 AM · #13
Originally posted by specialk0783:

Originally posted by Prof_Fate:

28 is not wide enough on a 1.6 crop camera and 75 is halfway to where you want to go.


Not wide enough? On a walk around? Interesting.


The Tamron 28-75 would function as an apparent 45-120mm lens on a Digitial Rebel or 20D/30D. Not very wide at all.
08/04/2006 11:34:16 AM · #14
Tamron 28-75 hands down. This is probably one of the best deals for performance, right after the Canon 50mm f1.8
08/04/2006 08:26:05 PM · #15
The Tamron 17-50 f/2.8 will not fit on a Full frame. It is designed for an APS-C sensor size to be the equivalent of the 28-75 on a full-frame for range.

Those who want a bit more range can also look at the Sigma 17-70 f/2.8-5.6. I heard that it's very, very sharp and delivers similar range to a 28-105.

Maybe Canon sells a different 50mm lens here in Asia (I don't really believe so), but having used 3 of them, I find that they all perform roughly the same and give me consistently badly focused shots. I was told by Canon Service that the lens wasn't very good performance wise and that I should try a 50mm f/1.4. It has the same workings as an 85mm f/1.8 (USM motor) and apparently performs very well. I had little trouble getting the 85mm f/1.8 to perform well for me.

Yes, it's sharp, but if it can't focus properly, you will get soft results.

I shoot at f/3.5 or smaller because I'm fed up of the issue. I do not get the same issues with my 80-200 f/2.8.

The 50 f/1.4 is on the list for the end of this month.

Message edited by author 2006-08-04 20:26:47.
08/04/2006 11:54:49 PM · #16
Originally posted by eschelar:

The Tamron 17-50 f/2.8 will not fit on a Full frame. It is designed for an APS-C sensor size to be the equivalent of the 28-75 on a full-frame for range.


Exactly...thank you!

Message edited by author 2006-08-04 23:55:06.
08/04/2006 11:56:30 PM · #17
Originally posted by specialk0783:

[quote=eschelar] The Tamron 17-50 f/2.8 will not fit on a Full frame. It is designed for an APS-C sensor size to be the equivalent of the 28-75 on a full-frame for range.


Exactly...thank you! I just read an article on all the Tamron Di lenses and I believe the article said that they are all designed for APS-C sensor size. Thats the point of them.
08/05/2006 12:13:07 AM · #18
Originally posted by specialk0783:


Exactly...thank you! I just read an article on all the Tamron Di lenses and I believe the article said that they are all designed for APS-C sensor size. Thats the point of them.


Di means "optimized for digital"; the 28-75 cobvers full-frame sensors, as quoted earlier.

R.
08/05/2006 01:06:26 AM · #19
The 28-75 on film is sweet. It definitely works - the 17-50 probably has some other designation that means it only works on crop sensors.
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