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Sigma 70-200mm f/4.0 Lens Camera Lenses

Sigma 70-200mm f/4.0 Lens

Price Range:
  £537.99 to £541.68
Product Summary
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Author's Rating: Rating: 5/5 stars
0 Review from Shopping.com

By:   profaudio1
May 18, 2006

This Big White Bazooka Won My Heart (And My Eyes!)

Author's Rating: Rating: 5/5 stars

Pros: Sharp, Sharper, Sharpest... What it lacks in speed is more than compensated in image quality.

Cons: After the soreness in the back pocket healed, NONE.

The Bottom Line: 
if you are a serious photog needing a long lens that's ready for almost anything that Mother Nature can dish out, this may be your best choice for telephoto applications.

Author's Review
Ok, what can I say? It isn’t cheap, but especially if you shoot outdoors, this is the ultimate EOS tele zoom lens for under a kilo-buck. (In fact, it was actually under $700.00 US)

In the world of Canon EOS EF lenses, there are three primary levels of quality classifications. The inexpensive low end models are commonly referred to as “consumer grade” lenses, designed primarily to meet competitive price points. The upgrade models are known as “mid grade” lenses. These can be very respectable in optical performance, but they are not as durable as the pro gear.

The top level is reserved for true working professionals, and those who are very dedicated to the art of photography. These are the “L” Series Professional lenses (the “L” in the nomenclature stands for “luxury”). Most “L” lenses are designed with very effective weather & dust seals and special optical elements to deliver superior performance and the ultimate in rugged reliability. “L” models are easily identified by a bright red ring around the front of the barrel.

As an amateur, who takes photography fairly seriously, this is only my second hunk of "L" glass. It is quickly becoming my favorite lens. I have found many of the mid-grade models are quite capable of producing excellent results, but for outdoor applications where dust, sand or moisture might be encountered, the “L” lenses are the best choice. I don’t often encounter these adverse conditions; I can usually just stay home and wait for a nicer day. Professionals, on the other hand, have to be ready for any situation that might come along or forfeit the paycheck.

This telephoto “L” is a great choice for bird watchers, hikers, street photographers, adventurers and parents of budding sports stars. This is a fantastic indoor lens too, but there are some less expensive alternatives for these applications.

There are actually three variations of this lens, but this one is the least expensive of the trio. The EF 70-200mm f/2.8 L USM at about $1,100.00 “street price” and the EF 70-200mm f/2.8 L IS USM for approximately $1,650.00 are very fast and the latter model even offers Image Stabilization technology to reduce “camera shake”. These are fantastic lenses, but they are a bit beyond my meager budget. A maximum constant aperture of 1:2.8 is wonderful in low light situations, but resolution and image quality is really quite comparable among all three models.

You really command respect when you whip out your Canon EOS with this big white bazooka locked ‘n loaded. You instantly become the “Pro” (whether you actually are or not). It is quite gratifying to watch the crowds part to let “the real professional” get a little closer to the action. If you prefer to not call any attention to yourself, avoid this lens! Otherwise, be prepared for the envious stares from the guys with the long skinny black lenses.

On Canon EOS Digital Rebel XT, EOS 30D, 20D and 10D Digital SLR camera bodies, this becomes a very long 112mm to 320mm super zoom. These particular models all share one very important attribute; they have a digital image sensor that is smaller than the physical dimensions of a full single frame of 35mm film. Consequently, these cameras all have a “crop factor” of 1.6 X, which must be considered carefully as you are choosing a lens for any particular application. The focal length of any lens that will be used on these camera bodies must be multiplied by 1.6 to reveal the true “Effective Focal Length”. When you need a longer telephoto lens, this can be a huge advantage, because the additional focal range is provided at no extra charge!

This is a real rough & tumble lens, with optics delivered directly from the great glass gods. It will keep functioning properly when the rain or snow begins to fall during the last quarter of a game or out on a long nature hike, unlike the consumer and mid-grade lenses. I am speaking specifically about my previous long lens, the EF 75-300mm f/4-5.6 IS USM, which just seized-up and died under damp conditions (It wasn’t even a heavy rain, just a cold drizzle). I have not put the “L” to the ultimate weather test yet, but this special capability was my main motivation for upgrading to the EF 70-200mm f/4 L.

However, there are other reasons to commit to this costly model. The optical resolution is superb and chromatic aberrations are extremely well controlled. There is almost NO DISTORTION visible through this lens, at any focal length. This is especially true on a smaller frame digital camera because these bodies take advantage of the lenses “sweet spot” by primarily using the glass near the center portion of the lens. The Canon EF 70-200mm f/4 L USM produces incredibly sharp photos time after time, after time, after time...

The optics are made-up of 16 elements arranged in 13 groups, including Super UD (Ultra-low Dispersion) and Fluorite elements, with superb correction capabilities. The minimum close focus distance is only 47 inches, very reasonable for a lens of this size. It is amazingly light, at just a feather over 25 ounces. The length is only 6.8 inches regardless of focal length.

The aperture features eight diaphragm blades for wonderfully pleasant “bokeh”. With eight aperture blades, not just five or seven, it will give you incredible out-of-focus backgrounds. This effect is known as “bokeh” (Japanese for background "blur") and it creates beautifully rounded “circles-of-confusion”. Fewer blades create out-of-focus geometric shapes instead of smooth natural circles. This feature will make your close-ups and portraits look almost three dimensional, with the main subject very distinctly separated from the enhanced background.

This model is threaded for 67mm filters, not the easiest to find, but so-be-it. You may have to buy some relatively expensive filters that will only be usable on this one lens, like I did, but it is definitely worth it. The front element is always stationary, so using a circular polarizer is never a problem (except when the bill for that filter arrives, ouch!). The zoom and focus rings are plenty wide enough, even for the most gorilla-fisted photogs out there, and yet, both rotate as smooth as a well-powdered baby’s behind.

There is no doubt that this is a real "L" lens.
It is just oozing with that magic "luxury" stuff that makes it such a great optical instrument, as well as a very good investment. Considering how close it is in performance and the additional cost for each of its "one stop faster" siblings, I would almost be tempted to call this one a bargain!

Copyright © 2006 All rights reserved. ProfAudio1
 


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