Cameraderie

Canon PowerShot S90, 10.701mm @ f/4.0, 1/200, ISO 80 Canon PowerShot S90, 18.189mm @ f/4.5, 1/500, ISO 80

I need some advice. For the purposes of photographing old books/documents of size 58cm x 48cm and 83cm x 58cm, I need to choose one of these two lenses that I would use on the Sony A7 IV: 1. Sigma 40mm f/1.4 DG HSM Art 2. Sigma 50mm F1.4 DG DN Art I can only choose between those two lenses (unfortunately, other variants are not possible) I would use the lens on the Sony A7 IV camera. The camera would stand on a tripod (attached to the wall) above the books/documents AND could be moved in height. Probably, the distance of the camera from the books/documents would be from 75cm to 90cm, depending on the size of the books/documents, whether the lens is 40mm or 50mm. Which of the above two lenses should I choose? Apart from sharpness, the most important thing for me is to have as little distortion as possible in the photo Thank you. Milan

I remember back when superzooms were just for convenience, not image quality. Heck, zooms in general were compromising greatly on IQ back in the days of the film era, even in the very end of it. So now that I've used this Tamron 28-200 superzoom for Sony FE-mount for a while, I'm still quite baffled as to how good it can be. It's not only the sharpness that is mind boggling for a zoom, but also the colours and contrast rival those of much more expensive and exotic lenses. I use this superzoom in a combo with the Tamron 17-28/2.8, and in landscape use they've proven to rival and at times even best the performance of some venerable Red Ringed lenses I've owned in the past. Never would I have thought that what I'd give up choosing a superzoom over separate standard and tele zooms is mostly only weight, complexity and price. So, post your work with this wonderful little beast of a lens! edit: I really should read what I write before posting to avoid tautologies...

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