Sigma 100-300mm f/4 EX DG

Here is a lens from Sigma that fits into the medium to long telephoto range and is a step up from the average 70-300mm models. It sports a constant aperture of f/4 and Sigma’s HSM autofocus motor. We take a look at how it performs.

Sigma 100-300mm f/4 APO DG HSMSpecification

  • Focal length 100-300mm
  • Max aperture f/4
  • Min aperture f/32
  • Construction 16/14 elements/groups
  • Closest focus 1.8m
  • Reproduction ratio 1:5
  • Filter size 82mm
  • Dimensions 92.4x227mm
  • Weight 1.44kg
  • Price (SRP) £899

Build and handling
The lens is one of Sigma’s EX range and is finished in their matt black with white engraving and a little gold for the logos. This finish has proved to be quite hard wearing and is certainly quite smart in it’s looks. There is an AF/MF switch in the usual place and the lens comes supplied with a tripod collar that is Sigma’s quick release design that I have expounded on before in these pages. Next comes a 35mm wide zoom ring, three quarters of which has a comfortable ribbed rubber finish. It is marked at the 100, 135, 200, 250 and 300mm points and is torqued very slightly on the stiff side, giving the impression that it is built to last.
A neat, flush, distance window separates this from the larger (75mm) manual focus ring which is again covered for three quarters of its length with a matching rubber ribbing.

Autofocus is achieved with HSM, Sigma’s hypersonic system that is both quick and virtually silent in operation. The lens stays the same length throughout both focussing and zooming, and without the front element rotating, making life for filter users easy with the 82mm filter thread. Also supplied with the lens is a front lens hood that is more or less a bucket shape with the slight exception of a small cut-out to stop vignetting at the wider setting. The hood is a nice, snap bayonet, fitting that stays in place during use.

The lens is also compatible with Sigma’s EX Teleconverters and retains autofocus when used with the 1.4X version.

Optical quality
As could be expected of a modern zoom lens design, this one is fairly well put together. Even the mathematically challenged can see that the zoom ratio comes in at 3:1 and this is the accepted limit where compromises in design start to raise problems. Things like distortion are well controlled and measured figures of –0.1% (barrel) at the short end and 0.45% (pincushion) at the full stretch of the lens are negligible and cannot be seen with the naked eye.

The new digital coating Sigma have applied to all of their lenses, to cut out light reflected back from digital sensors bouncing around inside the lens, has had the added benefit of improving contrast and the same is true of this optic. Resolution is pleasing and the performance in this department is very close across the frame with very little drop-off towards the edges. A bonus for users of full frame equipment.

The one area where there is a slight disappointment is in the control of Chromatic Aberrations (CA). There is no evidence anywhere in the range at the centre of the frame; however, at the longer focal length the anomaly does start to creep in at the very edges. Most of the time, and under a lot of circumstances, it would not be noticed, but it is there.

 



With the lens set at 300mm on a tripod and the 20D camera set to aperture priority, playing around with the aperture settings can either isolate a part of the subject or include most of it in focus. F/4 and f/16 were used on these two shots at ISO100



300mm is a good length for some wildlife work, as seen here trying to catch Sand martins flying in and out of their burrows. As an f/4 lens, it will retain autofocus when used with Sigma’s dedicated 1.4x converter.

Click on each comparision photo below to view full size versions


100-300mm set at 100mm and f/8


100-300mm set at 300mm and f/8


100-300mm set at 100mm and f/4

100-300mm set at 300mm and f/4

Below is our lens test data. To find out how to use these graphs look at this article: How we test lenses

Verdict
As a step up from the run of the mill >300mm zooms this lens is certainly worth considering. The constant aperture and faster, quieter autofocusing make all the difference, ably helped by a constant length and internal focus mechanism to make handling a joy. Four SLD glass elements in the construction help to make a nice improvement to the output quality too.

In summary, the positive points of the Sigma 100-300mm f/4 EX DG are:
Constant aperture and length
Fast, silent autofocus
Good contrast and resolution

The negative points are:
Bigger size and weight than the lower group
Some CA around the edges at the long end.

Check the latest price of the Sigma 100-300mm f/4 EX DG here

Discuss this lens and other related lens subjects here

Test by Ian Andrews www.wildaboutkent.com

By: olympus 3041 days ago
I'm curious about the test of Sigma 100-300 f/4 EX DG. The photos of the clocktower are allright, but the photos of the stonewall are rather unsharp and blurry. How come? Ater all this is a rather sharp lens as i've learned from reading different tests, and studying a large numbers of photos taken with this lens. It even looks good with 1x4TC, so i'm a bit confused why the stonevall is so unsharp. I'm planning to buy a Canon 400D (Xti) and this is one of the lenses i've been looking at. It's rather expensive so i dont want to be dissappointed. If anyone could answer this to me i would be wery happy. My english is not at top so i hope you'll disregard from my grammar.
By: stefan0n 3038 days ago
I too think there are problems with sample photos here. I've this lens and it's really great, never so unsharp. If you look well the 300f8 sample is the same photo that's in the sigma 28-300 review too...
By: olympus 3038 days ago
Thank you stefanOn for your observations and for your reply.It's good to hear from someone that owns this lens how it really works.I mean ,it's rather expensive and i dont want to be disappointed.
By: lumref 2950 days ago
I bought the Sigma 100-300 f/4 and have found it to be a very sharp lens. I too was first concerned about sharpness because of this one review and that 300mm soft image, but all other reviews, forums and personal image websites convinced me that this lens is worth owning because most image examples were very sharp and detailed images. I have wildlife shots now that amaze me because of the image detail. Very highly recommended lens.
By: gwtx2 2909 days ago
Strange, but the 300mm shot of the clock tower is the exact same shot as you have on the cheaper Sigma 28-300mm F3.5-6.3 review located at http://www.photodo.com/topic_224.html.
By: photoracer 2569 days ago
This lens is exceptional in my estimation for a 3rd party optic. The lens I have (non-DG) I bought used from Bill Booz (Bill Booz Photography) when he decided to replace it with an "L" lens. If you check his website all of the shots on there were done with the Sigma prior to his getting the Canon lens last year. From that no one should have any doubt about the quality of the photos this lens can produce.
By: DaveCham 2381 days ago
Yes, I have one of these and can vouch for it's superb performance, unusually, even at the longest focal length. This is really one of the sharpest mid-range zooms I have EVER used or owned. However, in my opinion, unless used on a really sturdy tripod, you are never going to get the best out of any such lens.
By: jimhogg 1916 days ago
As gwtx2 above has pointed out the 300mm F8 shot attributed to this lens is the same as the one for the Sigma 28-300mm. Someone has confused their images and the readers.
By: twinsemi 1576 days ago
It is clear that there has been not just a single picture substitution, but a pair. the 28-300 lens gets the better 300mm shot of the clock tower as mentioned by gwtx2 above, (also noted at the 28-300mm review) and the 100-300mm also gets the 300mm window shot from the cheapo lens. This explains why every comment on this lens is incredulous about the cruddy shot of the window at 300mm. Does anyone here read these posts?
By: Ravish12 283 days ago
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By: VondaSam3 194 days ago
Completely a different observation. Its improved techniques about the subject for the analyzing. Thanks much.
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By: kian 14 days ago
nice.تعريف  مجموعه فعاليت هاي يك سازمان براي استفاده از دانش جمعي خود از طريق فرايند خلق. به اشتراك گذاري و استخراج دانش با استفاده از فناوري براي دستيابي به اهداف سازمان.سازمان مدیریتمشاوره مدیریت مالی منابع انسانیتبلیغات حرفه  مديريت كسب و كار مديريت بازرگاني Business Managementتعريف  عبارت كلي براي مهارت‌ها و روش‌هاي مديريتي براي مديريت تمام عمليات و فعاليت‌هاي يك موجوديت كسب و كارمشاوره مدیریت آموزش مدیریتمديريت  Quality Management مديريت کيفي مدیریت محصولمدیریت کیفیت.  مديريت  Farm Management"مشاور بازاریابی  Marketing Consultantمشاوره طرح کسب  کار تجاری Business Plan  مديريت مشاركتي .  Participative Managementمشاوره مارکتینگ پلن Marketing Plan تعريف  سبكي مديريتي كه به جاي هدايت . كنترل تأكيد بر مشاركت و مشاورت داردمشاوره تبلیغ مشاور تبلیغات آنلاین  مديريت منابع انساني Human Resource Management.تعريف  مقصود از مديريت منابع انساني سياست‌ها و اقدامات مورد نياز براي اجراي بخشي از وظيفه مديريت است كه با جنبه‌هايي از فعاليت‌ كاركنان بستگي دارد، به ويژه براي كارمنديابي، آموزش دادن به كاركنان، ارزيابي عملبازاریابی  مديريت مهندسي Engineering Management.  مديريت نوآوري Innovation Managementمشاوره برندینگ برندسازی brandingتعريف  فنون مديريتي كه به انگيزش رفتار نوآورانه و تبديل نوآوري‌ها به فايده عملي . واقعي در قالب محصولات و فرايندها مي‌پردازند.اطلاعاتی که مشتریان تحقیقات بازاریابی  مخفی می کننددلایل پنهان کردن اطلاعات توسط مشتریان تحقیقات بازاریابیایجاد پیوند بین واحد های مختلف و تحقیقات بازاریابیمشاور برندینگ آموزش برندسازی  مديريت هزينه Cost Managementتعريف  فنون مديريت مورد استفاده در امور مربوط . هزينه قيمت‌گذاري، برآورد هزينه و كنترل آن  مديريت ورزش Sport Managementمشاوره پرسنال برندینگ شخصی Personal Brandingاصول پاسخگویی به مشتریان تحقیقات بازاریابیشیوه رفتار با مشتریان تحقیقات بازاریابی Brand Eevaluation مشاوره ارزشگذاری برندرضایت سنجی مشتریان .تحقیقات بازاریابیایجاد پیوند بین استراتژی و مشتریمنشور اخلاقی تحقیقات بازاریابیسوگند نامه تحقیقات بازاریابیویژگی های تحقیقات بازاریابی  حرفه ایمشاوره فروش آموزش تکنیک‌ فروش حرفه‌اینکاتی که در جلسه تحقیقات بازاریابی  باید رعایت کردمشاور فروش آموزش کارشناسان فروشویژگی های محل تحقیقات بازاریابی  بازاریابی فروش و تبلیغات.تصمیمات اساسی تحقیقات بازاریابی ان بازاریابی فروش وتبلیغاتمشاوره آموزش خدمت مشتری Customer Serviceمذاکره تحقیقات بازاریابیاصول قبل از جلسه تحقیقات بازاریابی.اصول حین جلسه تحقیقات بازاریابیمشاوره خلاقیت نوآوری تکنیک شرح  مديريت صنعتي داراي سه بعد اصلي فني و تكنيكي ، بعد مالي و بعد رفتاري . اجتماعي مي باشد كه بعد فني و تكنيكي در دروس تحقيق در عملمشاور اموزش منابع انسانی  HRMهفت رفتار ضروری تحقیقات بازاریابی ان بازاریابی فروش و تبلیغاتتحقیقات بازاریابی  رابطه ای.نقش تحقیقات بازاریابی  در بحران هاتحقیقات بازاریابی  در شرایط سخت بازار  مديريت دولتي Public. Sector ManagementCRM مشاورهتعريف  عبارت كلي براي مهارت‌ها و روش‌هاي مديريتي مربوط. مديريت سازمان‌هاي بخش عمومي و دولتي مشاوره ریسک سازمانی صنعتی    مديريت زنجيره تأمين Supply Chain Management.تعريف  يك رويكرد مديريتي يكپارچه براي كنترل يا تأثيرگذاري بر تمام عناصر زنجيره تأمين به منظور فراهم‌آوري جرياني كافي و بهنگام از مواد. قطعات و كالاهاي ساخته شدهآموزش اصول فنون تکنیک مذاکره  مديريت زمان Time Managementتعريف  فعاليت‌ها و فرايندهاي برنامه‌ريزي براي اينكه. بتوان از زمان به مؤثرترين روش ممكن استفاده كردمشاوره مالی  مديريت زندگي Life Management.  مديريت صنعتي Industrial Managementمشاوره برنامه ریزی استراتژیک BSC  مديريت كتابخانه Library Management  مديريت كسب و كار مديريت بازرگاني Business Managementمشاوره سرمایه گذاری .مهارت‌ها و روش‌هاي مديريتي براي مديريت تمام عمليات و فعاليت‌هاي يك موجوديت كسب و كارمشاور PI ,KPI, RIشاخص عملکردمديريت و مبانی مشاور PI ,KPI, RIشاخص عملکرد   مديريت كيفيت Quality Management.IranMCT Business Management Consultant marketing sales brandingBusiness Consultant.  مديريت مالزيايي Malaysian Management.تدریس تئوری مدیریت کنکور ارشدمشاوره مدیریت .تحقیقات بازاریابی  مشارکتیجلسات دفاع تحقیقات بازاریابی انبازاریابی فروش مدیریتmarketing مدیریت فروش برندینگ .خط مشی های تحقیقات بازاریابی ان مدیریت بازاریابی فروش تبلیغاتخط مشی های دفاعی تحقیقات بازاریابی ان.مطالعه موردیمفاهیم مدیریتی مهندسي مجدد مهندسی ارزش نظام های کنترلیمقاله خبرنامه بازاریابی مدیریتبازاریابی خبرنامه مقاله .تحقیقات بازاریابی . بازاریابی جهانیبازاریابی تحقیقات بازاریابی  و خدمات تحقیقات بازاریابی تحقیقات بازاریابی  جهت ورود اداره و ماندن در بازارهای جهانیتدریس خصوصی مدیریت بازاریابی تدریس خصوصی مدیریت بازاریابی مشاوره مدیریت شناخت و پیش بینی بازارهای جهانیتحقیقات بازاریابی  صادرات و وارداتاز نظر مهارت و تکنیک های مدیریت برای مدیریت تمام عملیات از یک نهاد کسب و کار تعریفمدیریت کیفیت مدیریت کیفیتمدیریت مالزی مدیریت مالزی.مدیریت مالی مدیریت مالیتماس با  تیم مشاوران مدیریت ایرانمدیریت مزرعه مدیریت مزرعه.مدیریت تعریف یک سبک مدیریت است که در محل که مسئولیت رسیدگی به تاکید بر مشارکت و مشاورهمدیریت مدیریت منابع انسانی منابع انسانیتعریف هدف از سیاست های مدیریت منابع انسانی و اقدامات مورد نیاز برای اجرای برخی از جنبه های کار مدیریت که بستگی به فعالیت کارکنان، به ویژه برای استخدام، آموزش، تمرین ارزیابیمدیریت مهندسی مدیریت مهندسیتعریف و تکنیک های مدیریت نوآورانه برای ایجاد انگیزه تغییر رفتار در محصول و فرآیند نوآوری به نفع معامله واقعیBranding Marketing بازاریابی برندسازیBranding marketing مدیریت فروش برندینگ . مدیریت هتل مدیریتهزینه مدیریت هزینه مدیریت.مدیریت نوآوری مدیریت نوآوریخط مشی های دفاعی تحقیقات بازاریابی ان.تبادل لینک مدیریتهمکاران مدیریت فروش برندینگ .مطالعه موردیمفاهیم مدیریتی مهندسي مجدد مهندسی ارزش نظام های کنترلی. بازاریابی جهانیت حقیقات بازاریابی جهت ورود اداره و ماندن در بازارهای جهانیشناخت و پیش بینی بازارهای جهانی.مدیریت مالی مدیریت مالیتماس با تیم مشاوران مدیریت ایرانمدیریت مزرعه مدیریت .مدیریت مشارکتی مدیریت مشارکت.تعریف یک سبک مدیریت است که در محل که مسئولیت رسیدگی به تاکید بر مشارکت و مشاورهمدیریت مدیریت منابع انسانی منابع انسانیدرباره تیم مشاوران مدیریت ایرانتیم IranMCTتعریف هدف از سیاست های مدیریت منابع انسانی و اقدامات مورد نیاز برای اجرای برخی از جنبه های کار مدیریت که بستگی به فعالیت کارکنان، به ویژه برای استخدام. آموزش، تمرین مهندسی مدیریت مهندسیتعریف و تکنیک های مدیریت نوآورانه برای ایجاد انگیزه تغییر رفتار در محصول و فرآیند نوآوری .مدیریت نوآوری مدیریت نوآوریتعریف و تکنیک های مدیریت نوآورانه برای ایجاد انگیزه تغییر رفتار در محصول و فرآیند نوآوری به نفع معامله واقعی.مهمان نوازی مدیریت هتل مدیریتورک شاپ دوره‌های آموزشی مدیریت Management Conference Workshopتبلیغات حرفه ای.هزینه مدیریت هزینه مدیریتتکنیک های مدیریت مورد استفاده در تعریف قیمت هزینه، و برآورد هزینه و کنترلمشاوره مدیریت . موزش خصوصی مدیریت;مقالات مدیرمسئول branding Management californiamcg Management Consultants CMCGManagement Consultants.تعریف و تکنیک های مدیریت نوآورانه برای ایجاد انگیزه تغییر رفتار در محصول و فرآیند نوآوری به نفع معامله واقعیمهمان نوازی مدیریت هتل مدیریت.معامله واقعی.مهمان نوازی مدیریت هتل مدیریتورک شاپ دوره‌های آموزشی مدیریت Management Conference Workshopتبلیغات حرفه ای.هزینه مدیریت هزینه مدیریتتکنیک های مدیریت مورد استفاده در تعریف قیمت هزینه، و برآورد هزینه و کنترلمشاوره مدیریت . موزش خصوصی مدیریت; انرژی brandingبرندینگانواع برند برندینگ brandعمومی(general)brandingمديريت و مبانی سازم.هزینه مدیریت هزینه مدیریتتکنیک های مدیریت مورد استفاده در تعریف قیمت هزینه، و برآورد هزینه و کنترل
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