query: How to fix zoom creep in Canon EF 24-105mm F/4L IS USM lens?
positive_passages.docid: 26420
positive_passages.text: Possible to lock focal length on zoom lens? (SELP1650)
negative_passages.docid: 104837
negative_passages.text: How to create real tilt-shift lens blur in Blender?
negative_passages.docid: 97259
negative_passages.text: Why don't the zoom buttons work on my DSLR?
negative_passages.docid: 128401
negative_passages.text: Why is sharpness lost in my DSLR viewfinder?
negative_passages.docid: 74585
negative_passages.text: What's the best way to deal with hot/stuck pixels in long exposure night photographs?
negative_passages.docid: 59156
negative_passages.text: What lens is needed to change the minimal focus distance length of my camera?
negative_passages.docid: 27716
negative_passages.text: How to smooth camera animation to have fluid feel?
negative_passages.docid: 144558
negative_passages.text: Lens with small scratches on the front element - how do they affect IQ?
negative_passages.docid: 49930
negative_passages.text: How do I prevent condensation on a lens when outdoors?
negative_passages.docid: 63035
negative_passages.text: Why do I have shutter lag when shooting (pop-up) flash in manual mode?
negative_passages.docid: 102058
negative_passages.text: Weird canon 17-55 f2.8 IS lens error
negative_passages.docid: 83701
negative_passages.text: What settings should I be using to shoot "Supermoon"?
negative_passages.docid: 29080
negative_passages.text: How do extension tubes affect focusing distance?
negative_passages.docid: 46148
negative_passages.text: Yongnuo YN-685 underexposure issue in bounce mode at longer focal length
negative_passages.docid: 56955
negative_passages.text: How to fix the flickering in User controls
negative_passages.docid: 145622
negative_passages.text: How do constant aperture zoom lenses work?
negative_passages.docid: 79713
negative_passages.text: How can I fix a Canon lens with sand in the aperture diaphragm?