query: Right ND for filter size for Nikon 24-85 mm lens
positive_passages.docid: 11996
positive_passages.text: How do I find the right size of filters for a lens?
negative_passages.docid: 153578
negative_passages.text: Variable focal length for macro lenses?
negative_passages.docid: 72059
negative_passages.text: What are the most suitable filter holders for my Samyang 14mm autofocus prime lens?
negative_passages.docid: 129027
negative_passages.text: Are there any known issues with using filter step-up rings?
negative_passages.docid: 85095
negative_passages.text: Selecting optical size?
negative_passages.docid: 79713
negative_passages.text: How can I fix a Canon lens with sand in the aperture diaphragm?
negative_passages.docid: 65460
negative_passages.text: Are there any downsides to using a good-quality UV filter?
negative_passages.docid: 25536
negative_passages.text: What are the consequences of stacking a circular polarizer on top of a UV filter?
negative_passages.docid: 87931
negative_passages.text: Sign convention for mirror and lens formulas
negative_passages.docid: 17968
negative_passages.text: Does 4.0-72mm on the lens when equivalent focal length is 24-432mm mean crop factor of 6×?
negative_passages.docid: 59198
negative_passages.text: How does an apodization filter improve bokeh?
negative_passages.docid: 88406
negative_passages.text: What does different focal length offer me?
negative_passages.docid: 10570
negative_passages.text: Does sensor size affect lens distortion?
negative_passages.docid: 11607
negative_passages.text: What lenses to bring while traveling? One good wide-telephoto or several smaller ones?
negative_passages.docid: 98410
negative_passages.text: How to shop for a lens filter?
negative_passages.docid: 46184
negative_passages.text: What should I consider when purchasing a macro lens?
negative_passages.docid: 69119
negative_passages.text: Is the size of the entrance pupil the same as the size of the effective aperture?