That segment had been dominated by the tamron af 17 50mm f2. Mainly used for generalpurpose photography, this everyday lens covers a range equivalent to 25. If your lens isnt currently supported, you can create your own custom lens profile. Its an ultra versatile allpurpose lens well suited for photography of almost any sort. Dxo hat eine neue version seiner bildbearbeitungslosung nik. A good macro lens is a powerful tool in the hands of the right photographer. My 1750 returns pretty acceptable results, i shoot it from f2. Canon eos 500d, canon eos 50d, canon eos 550d, canon eos 5d mark ii. That is not too large and can best corrected by softwares eg ptlens software. They were converted without sharpening to the tiff format files and the mtf50 values were measured by using imatest program. To receive newsletters from dxomark, please enter your email address in the form below. What is the difference between tamron sp 1750mm f2. You can change the setting by clicking in the spin box.
Sigma 1750 i had the 18200 and when i got my d600 a year ago, i was in a similar situation. The os, sigmas anti shake feature offers the use of shutter speeds. Jul 30, 2010 the resolution of the sigma 1750 mm f2. Often one lens will perform better at a particular focal length and aperture, while the other will perform better at other focal length and aperture combinations.
Sigmas proprietary os optical stabilizer system offers the use of shutter speeds approximately 4 stops slower than would otherwise be possible, enabling hand held telephotography. I had to decide between this and the sigma 70200 f2. Comparing two very similar lenses like the sigma 1850mm f2. Processing x3f files must be carried out with the proprietary sw, sigma photo pro to extract all the information contained into these files. The 18200 wasnt very good on fx and i wasnt going to be using my d7000 as my main body, so i sold the 18200 to fund a 2485 for the d600 as my lightweight walk around lens. Introduction over many years sigma struggled to take off in the fast standard zoom arena for apsc dslrs. Its at its best from around 20mm to 50mm, but 17mm is quite usable most of the time. A large aperture, standard zoom lens with image stabilisation for dslr cameras with apsc sized sensors. New results are available on for the tamron sp 17 50mm f2. To my knowledge there is no known fix, workaround or solution. This is an excellent lens for the money, but i will warn you it is quite heavy. This page introduces three professional photographers who have used sigmas three f2. The measurement errors are contained in the range from 0.
Based on my photography interest and improvement, i will plan for sigma 1835 to replace 30mm 1. Where as sigma 1835 is very expensive for novice like me. Each of these three lenses is known as a high end model featuring high performance for professional use. Often one lens will perform better at a particular focal length and aperture, while the other will perform better. The canon has a better range, but the sigma is faster, scores better on dxo mark and is more affordable if less available on the second hand market. From sigma lens literature the sigma corporation is pleased to announce the launch of the new apo 50150mm. I chose the 50150 because it is designed for apsc cameras and i have not been disappointed. This behavior is related to the operation of the os unit of the lens when it is used in conjunction with the nikon d7100. If you have the budget for 1 or 2k more, and can afford to lose few mm of zoom to gain overall better pictures go for the 17 50. In 35mm terms this coverage is equivalent to something like that which a 27802.
By the way, 17 50 mm offered in kit is not convincing for this. Its a known issue with that particular lensbody combination. This large aperture telephoto zoom lens is designed. Sigma 1750 version seems to match canon version with cheaper price. The os unit stays in communication with the camera body for about 1 minute after a cameras autooff feature shuts down. There are plenty out there, but few are as light, compact, and sharp as the sigma 70mm f2. Sharper than anything comparable i could find see dxo labs tests for info. Recently however i have become aware of the sigma 1770mm f2. If you use both correctly, youll get better results than with a medium format digital back or camera, providing that you use a prime lens. Ich habe ende 2016 dieses sigma objektiv sigma 1750 mm f2, 8 ex dc os hsmobjektiv gekauft fur meine canon eos 7d mk ii. Designed for the smaller imaging circle of cameras with apsc sized sensors, it is slightly larger and heavier than its predecessor and has a more complex optical construction. Wed expect the sigma to be better, its a much newer design and a prime lens, and that is indeed the case.