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Canon EF-S 18-200mm f/3.5-5.6 IS or Sigma 18-250mm f3.5-6.3 DC for EOS 50D?

Saluki
Enthusiast

Thinking of swapping my Canon EF-S 18-135mm for something with a bit more zoom. Saw an article that recommended Canon EF-S 18-200mm f/3.5-5.6 IS or Sigma 18-250mm f3.5-6.3 DC for my 50D. Anything that makes one stand out over the other? Or other recommendations?

15 REPLIES 15

deebatman316
Authority
Authority
  1. Why do you think that you need to replace your current lens.
  2. What are your shooting conditions.
  3. Are you in low light while using these lenses.
  4. Are you using the built in flash or a speedlite if flash is being used.
  5. How do you intend to use these lenses.

-Demetrius

Current Gear: EOS 5D Mark IV, EF 16-35mm F/2.8L III USM, EF 24-70mm F/2.8L II USM, EF 50 F/1.8 STM, EF 85mm F/1.8 USM, EF 70-200mm F/2.8L IS III USM, 430EX III-RT, 470EX-AI & 600EX II-RT

Retired Gear: EOS 40D, Sigma 17-50mm F/2.8 EX DC OS HSM & EF 28-135mm F/3.5-5.6 IS USM


-Demetrius

Current Gear: EOS 5D Mark IV, EF F/2.8 Trinity, EF 50mm F/1.8 STM, EF 85mm F/1.8 USM, 470EX-AI & 600EX II-RT

Retired Gear: EOS 40D

OP said he has an 18-135 and wants more reach. Looking at a 200 or 250mm zoom. 

John Hoffman
Conway, NH

1D X Mark III, Many lenses, Pixma PRO-100, Pixma TR8620a, LR Classic

The way that the OP wrote the opening post. Sounded like they wanted to completely replace their current lens. The zoom ratio of the lenses mentioned above are way more than the 1/3 rule. That's why I asked more questions.

-Demetrius

Current Gear: EOS 5D Mark IV, EF 16-35mm F/2.8L III USM, EF 24-70mm F/2.8L II USM, EF 50 F/1.8 STM, EF 85mm F/1.8 USM, EF 70-200mm F/2.8L IS III USM, 430EX III-RT, 470EX-AI & 600EX II-RT

Retired Gear: EOS 40D, Sigma 17-50mm F/2.8 EX DC OS HSM & EF 28-135mm F/3.5-5.6 IS USM


-Demetrius

Current Gear: EOS 5D Mark IV, EF F/2.8 Trinity, EF 50mm F/1.8 STM, EF 85mm F/1.8 USM, 470EX-AI & 600EX II-RT

Retired Gear: EOS 40D

1. I want a lens to compliment the Canon 70-300 I use for wildlife. 

2. shooting daylight

3. low light conditions not a factor

4. no flash

5. Outdoor, scenery and wildlife primarily

Since you already own the 70-300mm lens you don't need to upgrade your 18-135mm lens. The 70-300mm lens already covers part of that focal length. As @ebiggs1 pointed outed large zoom ratios are not so good. These lenses are usually variable aperture lenses. The more you zoom in the less light enters the camera. You will have to increase your shutter speed or ISO to account for this.

-Demetrius

Current Gear: EOS 5D Mark IV, EF 16-35mm F/2.8L III USM, EF 24-70mm F/2.8L II USM, EF 50 F/1.8 STM, EF 85mm F/1.8 USM, EF 70-200mm F/2.8L IS III USM, 430EX III-RT, 470EX-AI & 600EX II-RT

Retired Gear: EOS 40D, Sigma 17-50mm F/2.8 EX DC OS HSM & EF 28-135mm F/3.5-5.6 IS USM


-Demetrius

Current Gear: EOS 5D Mark IV, EF F/2.8 Trinity, EF 50mm F/1.8 STM, EF 85mm F/1.8 USM, 470EX-AI & 600EX II-RT

Retired Gear: EOS 40D

shadowsports
Legend
Legend

He's got a 50D 😀

~Rick
Bay Area - CA


~R5 C (1.0.6.1) ~RF Trinity, ~RF 100 Macro, ~RF 100~400, ~RF 100~500, +RF 1.4x TC, +Canon Control Ring, BG-R10, 430EX III-RT ~DxO PhotoLab Elite ~DaVinci Resolve ~Windows11 Pro ~ImageClass MF644Cdw/MF656Cdw ~Pixel 8
~CarePaks Are Worth It

rs-eos
Elite
Elite

You may want to look at adding a second lens to give you higher focal lengths.  One disadvantage of zoom lenses with very high ranges is that image quality will be reduced.

Perhaps adding an EF 70-300mm would be a better choice.

--
Ricky

Camera: EOS 5D IV, EF 50mm f/1.2L, EF 135mm f/2L
Lighting: Profoto Lights & Modifiers

My other lens is a Canon 70-300, which I like for wildlife. 

If you already have a 70-300 and 18-135, then aren't you covered?

--
Ricky

Camera: EOS 5D IV, EF 50mm f/1.2L, EF 135mm f/2L
Lighting: Profoto Lights & Modifiers
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