Canon EF 70-300mm f/4-5.6 USM IS review at Photozone

"The Canon EF 70-300mm f/4-5.6 USM IS is one of the older IS lenses available today. It replaced the old EF 75-300mm f/4-5.6 USM IS which was the first Canon IS lens to hit the market back in 1995. It is an immensely popular lens especially among APS-C users but it is a native full format lens so for the sake of . . . read more

Canon EF 50mm f/1.4 USM review at Photozone

"The Canon EF 50mm f/1.4 USM was introduced back in June 1993. Price-wise it sits in-between the extremely expensive EF 50mm f/1.2 USM L and the "cheap" EF 50mm f/1.8 II. There have been calls in forums out there that the lens is outdated by now (e.g. due to the non-circular aperture) but so far Canon had different priorities. However, the lens has received excellent scores in our APS-C test . . . read more

Canon EF-S 60mm f/2.8 Macro USM review at SLR Gear

"As you'd expect from a prime, the Canon EF-S 60mm f/2.8 macro delivers superior sharpness over a wide range of aperture settings. Wide open, its just a little on the soft side, but just one stop down at f/4, it's "prickly sharp," and very sharp indeed all the way out to f/11. (Like many lenses, things get quite soft . . . read more

Canon EF 70-200mm f/2.8L IS II USM review at SLR Gear

"Beginning with the lens mounted on the sub-frame 20D, we noted excellent results for sharpness at all focal lengths, even wide open at ƒ/2.8. Performance at ƒ/2.8 is not tack-sharp, but it's quite close at around 1.5 blur units. Stopping down to ƒ/4 provides a marginal increase in performance, and at 100mm and ƒ/4 it is indeed about as sharp as our testing can measure. There are tiny gains from ƒ/5.6 onward, but the focal range between 135mm and 200mm never hits 1 blur unit; by ƒ/11, diffraction limiting begins to set in, and impacts on  . . . read more

Canon EF-S 18-55mm f/3.5-5.6 II Lens Review @ The Digital Picture

"The Canon EF-S 18-55mm f/3.5-5.6 II Lens is somewhat soft (not sharp) wide open, especially at the longer half of the focal length range. The 18mm corners are extra soft while corners at 55mm are unique to this lens' performance - they are quite sharp wide open. For the most part, if you can shoot at f/5.6 (or f/8 at the long end), this lens does an OK job with image sharpness. The image begins . . . read more

Canon EF 28-135mm f/3.5-5.6 IS USM review at SLR Gear

"This lens was a bit of a pleasant surprise when we tested it. One of us (Shawn) was quite familiar with it, as it had been a primary shooting lens for him for some years, first on film, and then on a Digital Rebel. As a result, we expected fairly positive results, but were nonetheless impressed by its sharpness at all but its . . . read more

Canon EF 20mm f/2.8 USM review at photodo

"As with all of Canon’s prime lenses, the build quality is commendable. The construction ( from the users point of view) is simple with the only control being the AF/MF switch situated to the left of the distance window just forward of the mount. This window is marked in both metres and feet and includes a very usable depth-of-field scale. Forward of this is the manual focus ring, and at 18mm wide there is . . . read more

Canon EF 70-200mm f/4.0 L IS USM Lens Review @ The Digital Picture

"The image stabilizer and great build quality are enticing, but the highest importance for me lies in the image quality. And the Canon EF 70-200mm f/4.0 L IS USM Lens delivers incredibly in this area. The f/4 IS lens adds 2 elements and 4 groups to the non-IS lens. From what I can see, the additional glass has not adversely affected image quality in any way.  . . . read more

Canon 1.4X Extender EF II review at SLR Gear

"We used Canon's 200mm ƒ/2.8L II USM telephoto lens to test the 1.4x II Extender, comparing the sharpness of the lens with and without the extender attached. Without the extender, the lens shows very good results at ƒ/2.8, becoming almost tack-sharp at ƒ/4 through to ƒ/11.

. . . read more

Canon 17-40mm f/4 L USM review at Photodo

"Being designated an L lens almost guarantees that the build quality of this lens will be good to excellent and you will not be disappointed in this area. The design incorporates the usual controls, a zoom ring marked at 17, 20, 24, 28, 35 and 40mm, a distance window with no attempt at a DOF scale, and a well torqued manual focus ring. There is an MF/AF switch to the left of the distance window, and that is about . . . read more

Canon EF 70-200mm f/4.0 L USM Lens Review @ The Digital Picture

"The Canon ET-74 Lens Hood and an inexpensive lens pouch are included in the box when the Canon EF 70-200mm f/4.0 L USM Lens is purchased from a reputable retailer. The Canon Tripod Mount Ring A II (W) (or the prior non-II A version), although relatively expensive, can be purchased as an accessory. The tripod collar is nice to have, but with a solid tripod/head combination it is not . . . read more

Canon EF 14mm f/2.8 USM L II-Full Format review at Photozone

"The Canon EF 14mm f/2.8 USM L II is the widest full format lens in the Canon EOS lens lineup. Within its native format it covers a whopping field-of-view of 114 degrees. This is a bit beyond most ultra-wide applications for mainstream users but sometimes there's simply a need for such special effect lenses. The EF 14mm f/2.8 is a rectilinear lens and thus distortion-corrected (as opposed to a

. . . read more

Canon EF 70-300mm f/4.5-5.6 USM DO IS review at Photozone

"The Canon EF 70-300mm f/4.5-5.6 USM DO IS is a unique lens in its class. This is not all that obvious from its naked specifications but because of its DO design. DO refers to a multi-layer Diffractive Optical element that bends light steeper than conventional (refractive) elements thus allowing a shorter design in

. . . read more

Canon EF-S 18-55mm f/3.5-5.6 IS Lens Review @ The Digital Picture

"Overall, these two lenses (Canon EF-S 18-55mm f/3.5-5.6 II Lens left, Canon EF-S 18-55mm f/3.5-5.6 IS Lens right) are very similar physically. The most obvious physical difference between the lenses is the new grip pattern on the zoom ring (above right). This change gives the lens a nicer, higher quality feel. The 18-55 IS is slightly longer and has Canon's newer recessed-style switches for . . . read more

Canon EF 20mm f/2.8 USM Lens Review @ The Digital Picture

"Pictured above from left to right are the Canon EF 50mm f/1.4 USM Lens, Canon EF 20mm f/2.8 USM Lens and the Canon EF 16-35mm f/2.8 L USM Lens. 

Shooting tests quickly revealed the differentiating points between the two lenses. 

Canon EF 100-300mm f/4.5-5.6 reviw at SLR Gear

"The 100-300mm shows its best performance with regard to sharpness at the wider end of its focal range; as you zoom in towards 300mm, we are seeing an increase in both corner and overall image softness. The lens achieves its best performance when stopped down to ƒ/8; at 100mm and 135mm, the lens is

. . . read more

Canon EF-S 60mm f/2.8 Macro USM Lens Review @ The Digital Picture

"Autofocus shows its technologically modern performance - it is fast, quiet and accurate. The Canon EF-S 60mm f/2.8 Macro USM Lens incorporates Canon's excellent USM (Ultrasonic Motor) with FTM (Full Time Manual) focusing. An internal focusing design is used. The lens does not change length while focusing nor does the front element rotate - a big plus when using the compatible Canon MR-14ex . . . read more

Canon EF 100mm f/2.8 USM macro (full format) review at Photozone

"Recently we had a look at the fancy new Canon EF 100mm f/2.8 USM L IS macro but Canon has actually two medium tele macro lenses in their lineup. The "older" Canon EF 100mm f/2.8 USM macro was introduced back in march 2000 so it's not really an outdated lens by prime lens life-cycle standards. The primary application of the lens is, obviously, macro photography but it's certainly also fine . . . read more

Canon EF 24-70mm f/2.8 USM L review at Photozone

"The Canon EF 24-70mm f/2.8 USM L is one of the more mainstream professional grade lenses in the Canon line up and very popular among pro (especially press) photographers as well as serious amateur. On full format DSLRs it's a fast standard zoom lens covering everything from moderate ultra-wide angles

. . . read more

Canon EF 24-70mm f/2.8 USM L review at Photozone

"The Canon EF 24-70mm f/2.8 USM L is one of the more mainstream professional grade lenses in the Canon line up and very popular among pro (especially press) photographers as well as serious amateur. On full format DSLRs it's a fast standard zoom lens covering everything from moderate ultra-wide angles

. . . read more

Canon EF 800mm f/5.6L IS USM review at SLR Gear

"The Canon 800mm ƒ/5.6L is the longest lens we've ever tested in the lab, and doing so tested our system to the extreme. That said, there aren't exciting results concerning the sharpness profile of the 800mm ƒ/5.6L, but neither will it disappoint. It's a sharp lens, but not tack-sharp: approximately 2 blur units

between ƒ/5.6 and ƒ/11, and between 2-3 blur units at ƒ/16 or ƒ/22. At ƒ/32 it becomes a bit soft and slightly uneven, at around 5 blur units. . . . read more

Canon EF 85mm f/1.8 USM (full format) review at Photozone

"The Canon EF 85mm f/1.8 USM is one of Canon's classic portrait tele lenses. It is part of the Canon lineup ever since 1992 so Canon is obviously still confident about its usability on digital SLRs. We have tested this lens in the APS-C scope already but naturally it is also interesting to check its performance on a full format EOS DSLR.

. . . read more

Canon EF 70-300mm f/4-5.6 IS USM Lens Review @ The Digital Picture

"Slow focusing was one of the downfalls of the Canon EF 75-300mm f/4.5-5.6 IS USM Lens. Canon states that autofocus has been improved in the Canon EF 70-300mm f/4-5.6 IS USM Lens. But, Ring USM (Ultrasonic Motor) is not part of the package. Improvements in the CPU and AF routines help in the focus performance increase according to Canon. Accuracy is often more important than speed. . . . read more

Canon EF 70-200mm F2.8 L IS II USM Lens Review @ d preview

"The EF 70-200mm F2.8 L IS II USM was announced in January 2010 as a replacement for Canon's fast image-stabilized telephoto zoom, the EF 70-200mm F2.8 L IS USM, which dates from 2001. With the rapid increase in SLR sensor pixel counts placing lenses' optical qualities under ever finer scrutiny, the company clearly felt it was time for an update for this professional workhorse, and has . . . read more

Canon EF 28mm f/2.8 review at SLR Gear

"The Canon 28mm f/2.8 illustrates this nicely. Despite selling for well under $200, it delivers excellent sharpness wide open and lower distortion than all but the most expensive zooms. On a sub-frame DSLR like the Canon EOS-20D, it's impressive sharp even wide open, and only gets sharper as you stop it

down, finally softening slightly from diffraction limiting as you progress past f/8. . . . read more

Canon EF 70-200mm f/2.8 L IS II USM Lens Review @ The Digital Picture

"Canon rates the Canon EF 70-200mm f/2.8 L IS II USM Lens' IS system for 4-stops of assistance. Testing showed that I need a shutter speed of 1/80 to get a high percentage of sharp 70mm images with this lens. Turn on IS and my shutter speed requirement drops to about 1/4 second which is slightly better than 4 stops of help. At 200mm, my shutter speed requirements are 1/160-1/200 . . . read more

Canon EF 200mm f/2.0 L IS USM Lens Review @ The Digital Picture

"A 2-position focus limiter switch allows the shortest focusing distance to be limited to 11.5' (3.5m) to infinity (can reduce AF lock time in certain situations). Full range focusing is of course an option - from 6.2' (1.9m) to infinity. The Canon EF 200mm f/2.0 L IS USM Lens includes a Focus Preset feature. Set the Focus Preset to a specific distance - when your shooting needs require that specific distance, . . . read more

Canon EF 20mm f/2.8 USM review at SLR Gear

"Image sharpness provided by the Canon 20mm ƒ/2.8 when used at its widest aperture (ƒ/2.8) is somewhat soft, a fairly ''lumpy'' profile between 3 and 5 blur units. However, stopped down to just ƒ/4, overall sharpness improves dramatically. At ƒ/4, we note excellent central sharpness (just over 1 blur unit) and very slightly soft corners (around 2 blur units). Stopped down further, there's only marginal improvement at ƒ/5.6, the optimal aperture. At ƒ/8 and smaller, diffraction limiting is already setting in, but it isn't until ƒ/16 that we note any real reduction in

. . . read more

Canon EF 14mm f/2.8L II USM review at SLR Gear

"The type II 14mm ƒ/2.8 shows a dramatic improvement in sharpness over the previous model. On a sub-frame sensor the original 14mm exhibited corner softness at every aperture setting; for the type II, even wide open at ƒ/2.8 there is very little corner softness (1 blur unit in the center, and 3 units in the corners).

By ƒ/5.6 corner softness is negligible, and by ƒ/8 it's non-existant. Diffraction limiting begins . . . read more

Canon EF 50mm f/1.2 USM L (full format) review at Photozone

"Released back in 2007 the Canon EF 50mm f/1.2 USM L is the successor of the legendary EF 50mm f/1.0 USM L - the fastest mass production SLR lens ever ... and one of the most expensive around. Surprisingly Canon decided to give up two thirds of an f-stop (f/1.0 - f/1.1 - f/1.2 - f/1.4 in case you wonder) but the good news about this is the substantially lower price tag of around 1400 €/US$ so the . . . read more

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