Reviews written by 63blackjack

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63blackjack
www.juzaphoto.com/p/63blackjack

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Reviews of cameras, lenses, tripods, heads and other accessories written by 63blackjack

The following opinions have been automatically translated with Microsoft Translator.

Sigma 18-200mm f/3.5-6.3 DC Macro OS HSM C

Pros: Unbeatable dimensions and weight, good sharpness, brighter than you could imagine from the license plate data, very good construction in relation to the price, excellent value for money.

Cons: Just enough stabilization (I would say 2 stops no more), not very precise focus in low light conditions, especially on long focal lengths, fine manual focus not possible in automatic mod

Opinion: I speak because I read about sharpness problems between 24 and 50 mm ... that had somewhat disturbed me and made me doubtful about buying it or not. my bought on eBay, as "open never used", at 230 euros. Tested on 850d in low light conditions, or in the evening in the tavern with 3000k LED light. 3200 iso (the maximum acceptable with 850) time 1/40, aperture the maximum allowed by the lens for each length. I detect, in the middle of the image, constant sharpness at 18,24,35,50, 80, 135, 200. Crop at the telescope level, good just for the theory, the perception of sharpness or not stops much earlier... From this point of view no problem. The effectiveness of stabilization, on the other hand, is low... I shot freehand but with the camera resting on the backrest of a poang, so the only movement possible vertical inclination ... At more than 1/40 it is not easy to get a firm shot in these light conditions. Same test with Canon 15-85, you get to 1/8 without problems. Another problem.. focus with little light, at 200 but also a little earlier... there is no verse, it is not precise. At iPad size you do not notice, a crop telescope you can see how ... in manual returns perfect. The lens has no front/back focus problems, I tested that too... just is not very precise the autifocus in certain conditions. I didn't make any fine adjustments or firmware updates, the lens is how I got there. Weighing its limits, as a lean all-rounder optics I find it difficult to overcome. I do not have eos M but in my opinion on that body this optics is better than the native (it reads little good ..)

sent on January 08, 2022