archive-com.com » COM » S » SLRLENSREVIEW.COM

Total: 414

Choose link from "Titles, links and description words view":

Or switch to "Titles and links view".
  • Carl Zeiss Distagon T* 18mm f/3.5 ZF Lens Review
    the in camera aperture control will be gone and you would need to rely on stop down metering when shooting with the lens Also be prepared for some differences in the effectiveness of your camera s TTL metering if you are shooting in aperture priority mode many cases cameras will overexpose images that were taken with alternative lenses and the amount of the overexposure depends not only on the particular lens being used but also the aperture level used Setting aside the somewhat mundane question of handling Carl Zeiss Distagon T 18mm f 3 5 ZF showed somewhat mixed results in the field The lens excelled in the center throughout the aperture settings on both full frame as well as APS C cameras However border image quality was a little bit mixed with f 3 5 and f 4 delivering somewhat softer results and visually there was a noticeable change in quality when going from the wide open aperture to f 8 or f 11 Moreover quality around borders at closer distances up to 1m focusing distance seemed to suffer regardless of the aperture setting this can be observed in the flowers shot in the sample image gallery below ISO 200 1 800 f 3 5 18mm Nikon D3 Carl Zeiss DIstagon T 18mm f 3 5 ZF fell prone to flare and some ghosting when used in harsh lightning conditions such as with a direct strong light source positioned near or within the picture frame The image above showcases such scenario with the sun hitting the lens at about 50 degrees from the top right corner You can notice that the flare resulted in slightly lower contrast which is expected and blown out highlights near the top corner where the light source was positioned There are the usual rainbow patches that can be noticed in the lower left and upper right corners At the same time there are some traces of ghosting which can be noticed between the white and black cars in the middle of the frame Despite all that the flare is not the worst one would expect from such a wide angle lens Vignetting f 3 5 full frame vs 1 6x crop The lens produced noticeable amount of vignetting on a full frame camera at f 3 5 which continued to persist all the way through f 5 6 eventually dropping to minimal around f 6 7 Vignetting on an APS C camera was somewhat lower but still visible at f 3 5 as well as f 4 but then dropping to more manageable levels by f 5 6 Not a big surprise for an 18mm prime If you are using a camera with a build in vignetting control configure it for moderate or even heavy setting Vignetting was not the only artifact with the lens most ultra wide angles showcase some level of distortion and Carl Zeiss Distagon T 18mm f 3 5 ZF is no exception Barrel distortion is visible in all shots on both APS C as well as FF cameras the farther from the center the heavier was the distortion Color reproduction was pretty accurate with the color palette remaining mostly neutral although at f 3 5 and f 4 images seemed to be a little bit less contrasty typically caused by a somewhat lower resolving power at wider apertures Regretfully Distagon T 18mm f 3 5 ZF showed noticeable color fringing You can observe some sagittal CA in the parking lot shot above around the chimney pipe on the right hand side of the picture And minor degree of halation can be noticed in the shot of flowers in the image gallery below notice the purple glow around bright red flower petals positioned over the much darker background ISO 100 1 800 f 3 5 18mm 100 crop Title Title Title Title Title Title Title Title Title Title Title View the embedded image gallery online at http slrlensreview com web reviews carl zeiss lenses swhorizontalmenu 172 zeiss wide angle 498 carl zeiss distagon t 18mm f35 zf lens review sigProGalleria34caf871f1 Lab Tests Please note that MTF50 results for APS C and Full Frame cameras as well as cameras from different manufacturers are not cross comparable despite the same normalized 0 1 range used to report results for all types of cameras Nikon APS C Coming soon Nikon FF Carl Zeiss Distagon T 18mm f 3 5 ZF showed excellent performance in the center with resolution remaining top notch throughout the tested aperture range Border performance on the other hand was somewhat mixed with image quality at wider apertures specifically f 3 5 and f 4 being kind of average As the aperture is stopped down further the lens finally starts to deliver better and better results with f 5 6 being somewhat of a transitional point and f 8 and f 11 finally delivering excellent border performance Conclusion The overall results are quite good although one usually expects miracles from a Carl Zeiss lens A miracle did not really happen here though border image quality with wide open aperture is not very impressive Not bad but not impressive either Normalized raw MTF50 18mm Chromatic aberration on a full frame Nikon D3 was more or less under control Center CA was quite negligible never exceeding 0 5px across the frame Border CA while somewhat higher was still manageable reaching 0 8px at f 3 5 and gradually dropping to 0 65px by f 11 Chromatic Aberration FF 18mm Here are 100 crops taken with a full frame Nikon D3 comparing image borders at f 3 5 and f 8 Image borders 18mm 100 crop f 3 5 vs f 8 Canon APS C The lens showcased decent overall performance Center image quality was absolutely flawless with performance staying at very high level throughout the aperture range Unfortunately border performance suffered especially at wide open apertures In the f 3 5 f 4 range borders are OK but not really that impressive

    Original URL path: http://slrlensreview.com/web/reviews/carl-zeiss-lenses-swhorizontalmenu-172/zeiss-wide-angle/498-carl-zeiss-distagon-t-18mm-f35-zf-lens-review (2016-02-18)
    Open archived version from archive


  • Carl Zeiss Distagon T* 18mm f/4 (C/Y) Lens Review
    the mirror of Canon 5D Other full frame cameras like 1Ds series don t seem to have this problem Summary Lens Composition 10 elements in 9 groups Angular Field 100 degrees Minimum Focus 30cm 1ft Focusing Action MF f stop Scale f 4 f 22 manual Filter Size 86mm with 70 86 ring Lens Hood N A Weight 350g 12 3oz Dimensions 70x51 5mm 2 75x2 Lens Case No 2 included Field Tests Carl Zeiss Distagon T 18mm f 4 showed somewhat uneven overall performance Image quality was quite good in the center both on APS C and FF cameras but images were noticably soft around borders especially at wider aperture settings Border quality improved somewhat once I stopped down the aperture to f 11 but even then borders remained a tad soft Vignetting f 4 full frame vs 1 6x crop The lens showed pronounced vignetting on a full frame Canon 5D at f 4 which is reduced substantially at f 5 6 and by f 8 becomes practically non existent Vignetting was practically non existent on an APS C camera streight from f 4 Color rendition was pretty accurate albeit a bit saturated The lens held up well against flare which is a positive news for such a wide lens and showed very minimal color fringing around borders even with wide open aperture The lens also showed quite minimal for an UWA lens that is distortion ISO 100 1 2000 f 4 18mm 100 crop Title Title Title Title Title Title Title Title Title Title Title Title Title View the embedded image gallery online at http slrlensreview com web reviews carl zeiss lenses swhorizontalmenu 172 zeiss wide angle 385 carl zeiss distagon t 18mm f4 cy lens review sigProGalleriae1b667ff03 Lab Tests Please note that MTF50 results for APS C and Full Frame cameras are not cross comparable despite the same normalized 0 1 range used to report results for both types of cameras Canon APS C Distagon T 18mm f 4 showed rather unusual characteristics in the lab THe lens performance was outstanding in the center starting at f 4 but quality somewhat degraded with stopped down aperture By f 11 performance is still decent but not impressive Border quality on the other hand was completely unsatisfactory at f 4 slowly improving with stopped down aperture and reaching more or less acceptable level by f 11 Hard to generalize here if you care about center performance then shoot at f 4 otherwise stop down to trade image quality in the center for quality around borders At f 11 which is the most balanced aperture setting for the lens the lens produces outstanding 11in and decent 16in prints Conclusion The overall results are not impressive for a fixed focal lens and especially for a Zeiss lens However keep in mind that we re dealing with an ultra wide prime here and most lenses in this category would show weakness around borders MTF50 Line Width Inch on the Print 18mm

    Original URL path: http://slrlensreview.com/web/reviews/carl-zeiss-lenses-swhorizontalmenu-172/zeiss-wide-angle/385-carl-zeiss-distagon-t-18mm-f4-cy-lens-review (2016-02-18)
    Open archived version from archive

  • Carl Zeiss Distagon T* 18mm f/4 ZM (M) Lens Review
    pretty quickly Rangefinder never cut it for me as its limitations always outweighed its benefits Once every five years or so I d pick up a used rangefinder with a lens or two primarily because of my longing for something light and compact I d also end up selling it pretty quickly typically right after re confirming that the rangefinder limitations still annoy me And so given the fact that I am not a rangefinder die hard you should not expect the reviews of rangefinder lenses to be any different than other reviews I ve been putting up so far If you expect to read many adjectives like dreamy classic glowing etc you re reading a wrong review tune on to someone else who adores Leica just because it is Leica With that let s get to the actual review Mechanically Carl Zeiss Distagon T 18mm f 4 ZM has a very nice solid almost precision instrument like feel to it The lens does not balance particularly well on rangefinder bodies as the center of weight is shifted towards the front while by SLR standards the Distagon T 18mm f 4 is not particularly bulky in the rangefinder world is might be considered to be a larger lens particularly if you compare it to a lens as tiny as Voigtlander Super Wide Heliar 15mm f 4 5 As with most UWA lenses the focusing ring does not have much precision and rotates only for 90 degrees Generally speaking this should not be much of a problem in most cases considering that UWAs offer a much deeper DOF that most small focusing errors would be masked anyway And if you preset the lens to f 11 or smaller aperture your effective focusing range would cover everything from 50cm all the way to the infinity you can pretty much forget about precision focusing at that point and use the lens as a point and shoot When mounted on Leica M8 the lens brings up 50 75 frame lines and so you would need to use an external viewfinder if you want to have accurate framing Current choices include Leica s Universal Wide Angle Viewfinder which offers 21 24 28 frame lines for M8 or 16 18 21 for regular film and M9 cameras Carl Zeiss 25mm Viewfinder and Voigtlander s 25mm and 15 35mm Zoom Viewfinders Out of these Voigtlander s finders are the most practical in my opinion both finders are super bright and priced right The 25mm film finder costs US 128 new at CameraQuest and 15 35mm Zoom finder costs US 529 also at CameraQuest Compare that to Zeiss US 420 for its 25mm finder and Leica s US 920 for its Universal Wide Angle finder Of course if you are using the lens on a M9 or traditional film body then you d need a matching 18mm viewfinder Your selection is pertty much the same in this case as well However since EFOV of Distagon T is 24mm

    Original URL path: http://slrlensreview.com/web/reviews/carl-zeiss-lenses-swhorizontalmenu-172/zeiss-wide-angle/745-carl-zeiss-distagon-t-18mm-f4-zm-m (2016-02-18)
    Open archived version from archive

  • Carl Zeiss Distagon T* 21mm f/2.8 (C/Y) Lens Review
    Review Carl Zeiss Distagon T 21mm f 2 8 C Y Lens Review Last Updated on 16 January 2010 Hits 20777 Article Index Carl Zeiss Distagon T 21mm f 2 8 C Y Lens Review Field Tests and Sample Images Lab Tests with APS C and FF cameras Recommendation and User Reviews Tweet Page 1 of 4 Introduction Contax branded Carl Zeiss Distagon T 21mm f 2 8 is one of the very few lenses that literally has a cult like following among alternative gear heads Some even attribute the whole recent craze about alternative lenses to this particular prime The cult following certainly affects the demand for this lens and so despite Carl Zeiss recently releasing a brand new slightly redesigned Distagon T 21mm f 2 8 in Nikon Pentax and even Canon mounts the old Contax version still holds its prices and sells for only a small discount when compared to the new version At US 1 400 for good quality samples Distagon T 21mm f 2 8 is certainly not cheap but every time a sample pops up on eBay it gets sold within days The optical construction of the lens consists of 15 elements in 13 groups a pretty complex construction by wide angle standards The build quality of the lens is superb and is similar to the other Contax lenses The barrel is all metal the focus and aperture rings are rubberized for comfortable grip The lens has a little bit unusual shape with an elongated central section and a wide half dome shaped front that hosts large front element The lens is larger then your usual manual focus super wide measuring 85 x 90mm 3 4 x 3 6in and weighing 515g 18 2oz The barrel of the lens does not extend during focusing

    Original URL path: http://slrlensreview.com/web/reviews/carl-zeiss-lenses-swhorizontalmenu-172/zeiss-wide-angle/690-carl-zeiss-distagon-t-21mm-f28-cy (2016-02-18)
    Open archived version from archive

  • Carl Zeiss Distagon T* 21mm f/2.8 ZF Lens Review
    was dropped by its joint holder Kyocera Because Contax Distagon T 21mm f 2 8 gained such popularity among users in the last few years the prices it skyrocketed with used copies selling for almost double the original MSRP I am sure that all that frenzy did not escape Zeiss management and the company did eventually re introduce Distagon T 21mm f 2 8 in 2009 The lens was initially released in ZF and ZK Nikon and Pentax respectively mounts and ZE Canon mount was added in late 2009 With the price tag of US 1 400 the lens is one of the most expensive lenses in the SLR lineup that the company offers right now but is also over US 1 000 cheaper then the average going price for the used Contax versions before the introduction of the revised version Surprisingly though even after the new version was introduced the prices for old Contax lenses did not plummet completely they now typically sell for a slight discount to the new Distagon T 21mm f 2 8 which is somewhat puzzling to me Considering that the Contax lens has to be adapted to work o any modern digital camera there must be some kind of perception of the old Contax lens that drives the price Fortunately I had the opportunity to obtain both the old as well as the new versions of this lens and shoot them side by side Check out the field notes on this topic The optical construction of the lens cosists of 16 elements in 13 groups the new design adds one more elements compared to the old Contax version By the way the Distagon 21mm optical formula is one of the most complex I have seen so far in an UWA lens The build quality

    Original URL path: http://slrlensreview.com/web/reviews/carl-zeiss-lenses-swhorizontalmenu-172/zeiss-wide-angle/691-carl-zeiss-distagon-t-21mm-f28-zf (2016-02-18)
    Open archived version from archive

  • Carl Zeiss Distagon T* 24mm f/2 (ZA) Lens Review
    alternative 25mm Distagon available for Canon Nikon and Pentax mounts The optical construction of the lens consists of 9 elements in 7 groups including 2 aspherical and 2 ELD glass elements The build quality of the lens is superb as has been the case withall other Sony Carl Zeiss lenses The lens weighs 555g 1 22lb and measures 78 x 76mm 3 07 x 2 99in The lens implements rear focusing mechanism and hence the barrel remains of fixed length throughout the focusing range Sony has incorporated a Super Sonic Wave Motor which improves the focusing speed The minimum focusing is 19cm 0 62ft and the minimum supported aperture is f 22 The factory box includes Sony Carl Zeiss Distagon T 24mm f 2 ZA front rear caps leather pouch and the lens hood Sony Carl Zeiss Distagon T 24mm f 2 ZA is a traditional full frame lens and can be used with any Sony Alpha camera including full frame APS C as well as NEX systems On APS C type bodies the EFOV of the lens is going to be 36mm Within the scope of this review the lens was tested on a full frame Sony a850 camera Summary Lens Composition 9 elements in 7 groups Angular Field 84 degrees Minimum Focus 19cm 0 62ft Focusing Action AF MF f stop Scale f 2 f 22 electronic Filter Size 72mm Lens Hood Metal included Weight 555g 1 22lb Dimensions 78x76mm 3 07x2 99 Lens Case Soft leather pouch Handling Carl Zeiss Distagon T 24mm f 2 ZA is a fairly interesting lens from a number of perspectives Firstly never in its history has Carl Zeiss manufactured a 24mm lens More over never has the company manufactured a lens faster then f 2 8 in focal ranges wider than 28mm The company has been offering a 25mm f 2 8 variant since the Rollei days which later was re badged for Contax cameras with minor improvements in coating and most recently for Nikon Pentax and M42 mounts it is also rumored that Carl Zeiss is now redesigning the 25mm Distagon lens for Canon mount Another interesting difference is the auto focusing capabilities in the new Sony Distagon lens Unlike all other Carl Zeiss lenses for other mounts Sony which actually manufactures all ZA lenses from Carl Zeiss designs included an auto focusing capabilities making the lens much more attractive to many users But unlike the two other fixed focal Zeiss primes Sony released previously the Planar T 85 1 4 and Sonnar T 135 1 8 Distagon includes a SSM motor built into the lens giving it a noticeable advantage in focusing speeds and accuracy The lens focuses with confidence in all but the most extreme conditions i e low contrast scenes and even then seems to hunt less than the venerable Planar ISO 640 1 160 f 2 24mm The 24mm Distagon is a short lens making it look somewhat bulky although in reality it is not particularly

    Original URL path: http://slrlensreview.com/web/reviews/carl-zeiss-lenses-swhorizontalmenu-172/zeiss-wide-angle/775-carl-zeiss-distagon-t-24mm-f2-za (2016-02-18)
    Open archived version from archive

  • Carl Zeiss Distagon T* 25mm f/2,8 ZF Lens Review
    FF cameras Recommendation and User Reviews Tweet Page 1 of 4 Introduction Carl Zeiss Distagon T 25mm f 2 8 was one of the first lenses new generation SLR lenses the company introduced around 2006 The new lineup replaces the Contax branded one which was discontinued after Kyocera a joint holder of the brand name exited the camera business in early 2000 The lens was initially introduced in ZF ZK and ZS variants for Nikon Pentax and M42 mounts respectively Carl Zeiss later announced that it will also support Canon mount although the 25mm variant has not been released yet Most recently end of 2009 Carl Zeiss also announced a revised ZF2 mount which basically adds a CPU to the otherwise still manual lens to allow passing certain information down to the camera Surprisingly Distagon T 25mm f 2 8 was absent from the list of intended ZF2 candidates which leads many to believe that Carl Zeiss intends to introduce a redesigned version of the lens sooner rather then later The lens is widely available these days from a variety of camera and lens resellers going for US 800 The optical construction of the lens consists of 10 elements in 8 groups compared to 8 elements in 7 groups for the old Contax version The build quality as with other Zeiss lenses is simply superb Metal barrel metal knurled focusing ring and knurled aperture ring The lens is fairly small and compact measuring 64 x 90mm 2 5 x 3 54in and weighing 480g 1 05lb The barrel extends during focusing adding another inch or so to the overall length The lens has an incredibly short minimum focusing distance at 17cm 0 6in Distagon T 25mm f 2 8 bests some of the dedicated macro lenses here The aperture ring

    Original URL path: http://slrlensreview.com/web/reviews/carl-zeiss-lenses-swhorizontalmenu-172/zeiss-wide-angle/282-carl-zeiss-distagon-t-25mm-f28-zf (2016-02-18)
    Open archived version from archive

  • Carl Zeiss Distagon T* 25mm f/2.8 (C/Y) Lens Review
    valid proof which falls outside of the scope of the reviews done here the second theory seems to be more of a myth then the truth since both AE made in Germany and MM made in Japan versions of the lens tested in this review showed no operational issues on Canon 5D It seems that the Canon 5D s variance in the mirror box size and assembly can be a contributing factor to this myth Operation wise there is nothing particularly special about Contax Carl Zeiss Distagon T 25mm f 2 8 after all a manual lens is a manual lens and it really puts full control into the user s hands Its light weight and compact size are obviously a major benefit and one might think of using it as a walk around prime on a APS C type body the lens gives you a 40mm equivalent field of view with 1 6x crop sensors That is definitely possible although keep in mind that there are even more compact lenses out there for example a recently released Voigtlander Ultron 40mm f 2 SLII that would probably allow you to be more discreet The lens has a traditional for manual focus lenses DOF scale engaved on the side of the body which can be helpful when you choose to preset the lens using hyperfocal focusing method for example Although keep in mind that like with most wide angle primes Distagon T 25mm f 2 8 sports a rather short focusing thrust the focusing ring rotates for 90 degrees when going from the closeup to the infinity So if you set the aperture to f 11 using hyperfocal focusing distance you will get everything from about 80cm all the way to the infinity in focus ISO 400 1 50 f 2 8 25mm Canon 5D Wide angle primes are not your typical bokeh kings There are obviously a number of variables that affect the look and feel of the bokeh but generally speaking in most cases you would try to achieve a shallow DOF to isolate the subject in focus from the fore background The shallower the better However even if you manage to achieve a shallow DOF with blurred background the general feel of bokeh will be affected by a number of additional factors such as shape of out of focus highlights presence of double edging around blurred objects and the levels of contrast in the background Take an example above which was shot with the wide open aperture and close to the minimum focusing distance 40cm to the porcelain cat s right eye serving as a focusing point It is doubtful that anyone looking at the shot will get overwhelmed by the quality of its bokeh DOF is not shallow enough background remains pretty contrasty even OOF highlights create a busy feeling with somewhat harshly lit edges Carl Zeiss Distagon T 25mm f 2 8 showed somewhat mixed performance in the field The lens demonstrated pretty good overall performance on a cropped camera and rather average performance on a full frame body But one thing at a time The center performance was quite good throughout the aperture range However border image quality seemed to be a little bit softer at f 2 8 but not terribly bad On the other hand performance on a FF body was truly mixed Center image quality remained excellent throughout the aperture range but border quality suffered significantly more then on an APS C camera As a matter of fact borders remained soft not just at f 2 8 but also at f 4 which is quite disappointing Like most wide angle lenses Contax Carl Zeiss Distagon T 25mm f 2 8 fell prone to some flare Well saying some actually understates the issue as can be seen from the images below With a strong direct light source positioned near the picture frame in these cases sun was hitting the front element of the lens under 70 degrees the lens produced pretty severe flare with signs of ghosting and rainbow looking glare at wide open aperture As you stop down the lens the amount of flare is reduced somewhat although never completely disappears at f 8 you see aperture ghosting as well as minor rainbowish looking glare Bottom line is that you do need to use a lens hood with this lens if you are planning to shoot in challenging lightning conditions ISO 100 1 1000 f 2 8 25mm Canon 5D ISO 100 1 60 f 8 25mm Canon 5D The lens showed moderate level of vignetting on a FF Canon 5D with wide open aperture Vignetting continued to persist albeit at a lower level at f 4 and pretty much disappeared around f 5 6 On an APS C body the lens takes full advantage of a smaller sensor with extreme borders clipped the lens shows pretty minimal vignetting at f 2 8 and practically no vignetting once stopped down to f 4 and beyond Vignetting f 2 8 full frame vs APS C Color reproduction was pretty decent overall although images at f 2 8 lacked contrast somewhat obviously this is a direct derivative of a lower resolution at f 2 8 The lens showed minor color fringing which was mostly noticeable around borders Distortion was surprisingly well contained for such a wide angle you could see minor signs of barrel distortion around frame edges with straight lines but the artifact was not extreme to cause an alarm ISO 100 1 1600 f 2 8 25mm Title Title Title Title Title Title Title Title Title Title Title Title Title Title Title Title Title View the embedded image gallery online at http slrlensreview com web reviews carl zeiss lenses swhorizontalmenu 172 zeiss wide angle 377 carl zeiss distagon t 25mm f28 cy lens review sigProGalleria6926b35a9e Lab Tests Please note that MTF50 results for APS C and Full Frame cameras are not cross comparable despite the same normalized 0 1 range used to

    Original URL path: http://slrlensreview.com/web/reviews/carl-zeiss-lenses-swhorizontalmenu-172/zeiss-wide-angle/377-carl-zeiss-distagon-t-25mm-f28-cy-lens-review (2016-02-18)
    Open archived version from archive



  •