Photograph Quiz (Part 3) – The ultimate test – for now!

{“questions”:{“neo4c”:{“title”:”For a particular shot, ISO200, shutter speed 1\/100 sec and aperture f\/8 gives the perfect exposure. What other setting would achieve exactly the same exposure?”,”mediaType”:”image”,”image”:”https:\/\/www.lacockphotography.com\/wp-content\/uploads\/Hamish.jpg”,”imageCredit”:””,”video”:””,”imagePlaceholder”:””,”desc”:”For any shot, the perfect exposure can be achieved by a number of ISO, shutter speed and aperture combinations.”,”answers”:{“4ejkb”:{“id”:”4ejkb”,”image”:””,”imageId”:””,”title”:”ISO1600, 1\/50 sec,f\/8″},”il7fm”:{“id”:”il7fm”,”image”:””,”imageId”:””,”title”:”ISO200, 1\/200 sec, f\/5.6″,”isCorrect”:”1″},”wkwao”:{“id”:”wkwao”,”image”:””,”imageId”:””,”title”:”ISO200, 1\/200 sec, f\/16″},”40n70″:{“id”:”40n70″,”image”:””,”imageId”:””,”title”:”I don’t know!”}},”id”:”neo4c”,”index”:0,”answerType”:”text”,”imageId”:””,”imagePlaceholderId”:””,”hint”:””},”xmea2″:{“title”:”When taking pictures in a snowy scene, the snow can look grey. How can this be corrected?”,”mediaType”:”image”,”image”:”https:\/\/www.lacockphotography.com\/wp-content\/uploads\/Lacock-snow.jpg”,”imageCredit”:””,”video”:””,”imagePlaceholder”:””,”desc”:”The camera’s metering system is calibrated for a scene that is 18% grey and so because there is lots of white in the scene, will underexpose by 1 or 2 stops.”,”answers”:{“s2a58”:{“id”:”s2a58″,”image”:””,”imageId”:””,”title”:”Increase the exposure by 1 or 2 stops.”,”isCorrect”:”1″},”y7mvf”:{“id”:”y7mvf”,”image”:””,”imageId”:””,”title”:”Change the white balance to the correct setting, cloudy or daylight.”},”160oq”:{“id”:”160oq”,”image”:””,”imageId”:””,”title”:”Shoot towards the sun or direction of light.”},”eabnu”:{“id”:”eabnu”,”image”:””,”imageId”:””,”title”:”I don’t know!”}},”id”:”xmea2″,”index”:1,”answerType”:”text”,”imageId”:””,”imagePlaceholderId”:””,”hint”:””},”548sf”:{“title”:”In this photo the sky is blown out and the shadows are too dark. How can this be dealt with?”,”mediaType”:”image”,”image”:”https:\/\/www.lacockphotography.com\/wp-content\/uploads\/goose.png”,”imageCredit”:””,”video”:””,”imagePlaceholder”:””,”desc”:”The dynamic range of the scene is greater than that of the camera in a single exposure. By shooting in RAW exposure of the shadows may be improved during post processing.”,”answers”:{“2fqll”:{“id”:”2fqll”,”image”:””,”imageId”:””,”title”:”Reduce the exposure until the sky does not burn out, shoot in RAW and lighten the shadows during post processing.”,”isCorrect”:”1″},”wegn9″:{“id”:”wegn9″,”image”:””,”imageId”:””,”title”:”Change to spot metering and meter off the goose.”},”pvbwz”:{“id”:”pvbwz”,”image”:””,”imageId”:””,”title”:”Change to multi metering to ensure the whole scene is taken into account when the camera calculates the necessary exposure.”},”vnac2″:{“id”:”vnac2″,”image”:””,”imageId”:””,”title”:”I don’t know!”}},”id”:”548sf”,”index”:2,”answerType”:”text”,”imageId”:””,”imagePlaceholderId”:””,”hint”:””},”2h41n”:{“title”:”What factors affect the depth of field?”,”mediaType”:”image”,”image”:”https:\/\/www.lacockphotography.com\/wp-content\/uploads\/Owl.jpg”,”imageCredit”:””,”video”:””,”imagePlaceholder”:””,”desc”:”The focal length, f-stop and subject distance all affect the depth of field. Use a DoF calculator to get exact data.”,”answers”:{“t09tw”:{“id”:”t09tw”,”image”:””,”imageId”:””,”title”:”Focal length, f-stop and subject distance.”,”isCorrect”:”1″},”hih90″:{“id”:”hih90″,”image”:””,”imageId”:””,”title”:”Only the f-stop.”},”j0yz2″:{“id”:”j0yz2″,”image”:””,”imageId”:””,”title”:”Only the focal length of the lens.”},”xvec9″:{“id”:”xvec9″,”image”:””,”imageId”:””,”title”:”I don’t know!”}},”id”:”2h41n”,”index”:3,”answerType”:”text”,”imageId”:””,”imagePlaceholderId”:””,”hint”:””},”j58hu”:{“title”:”What factors contribute to the success of this great shot?”,”mediaType”:”image”,”image”:”https:\/\/www.lacockphotography.com\/wp-content\/uploads\/china.jpg”,”imageCredit”:””,”video”:””,”imagePlaceholder”:””,”desc”:”To get a great shot everything has to be right! Including composition, exposure, subject and quality of light.”,”answers”:{“hzb55”:{“id”:”hzb55″,”image”:””,”imageId”:””,”title”:”Composition, exposure, subject and quality of light.”,”isCorrect”:”1″},”puthm”:{“id”:”puthm”,”image”:””,”imageId”:””,”title”:”A professional quality camera, a tripod and the correct white balance.”},”mu0qq”:{“id”:”mu0qq”,”image”:””,”imageId”:””,”title”:”A high quality lens, a graduated filter and a cable release.”},”io6h4″:{“id”:”io6h4″,”image”:””,”imageId”:””,”title”:”I don’t know!”}},”id”:”j58hu”,”index”:4,”answerType”:”text”,”imageId”:””,”imagePlaceholderId”:””,”hint”:””},”vp2yk”:{“title”:”What 35mm equivalent focal length will a 200mm full frame lens have when fitted to a crop frame DSLR?”,”mediaType”:”image”,”image”:”https:\/\/www.lacockphotography.com\/wp-content\/uploads\/Lens.jpg”,”imageCredit”:””,”video”:””,”imagePlaceholder”:””,”desc”:”Full frame lenses e.g. Canon EF or Nikon FX will have a focal length x 1.5 or 1.6 when fitted to a camera with a crop frame sensor.”,”answers”:{“r66gx”:{“id”:”r66gx”,”image”:””,”imageId”:””,”title”:”Approximately 300mm.”,”isCorrect”:”1″},”hki7r”:{“id”:”hki7r”,”image”:””,”imageId”:””,”title”:”200mm.”},”fx2sr”:{“id”:”fx2sr”,”image”:””,”imageId”:””,”title”:”Approximately 150mm.”},”rs99b”:{“id”:”rs99b”,”image”:””,”imageId”:””,”title”:”I don’t know!”}},”id”:”vp2yk”,”index”:5,”answerType”:”text”,”imageId”:””,”imagePlaceholderId”:””,”hint”:””},”k5fru”:{“title”:”The settings for the correct exposure for a shot of a waterfall are ISO100, f\/8 and 1\/30 second. What settings will give an equivalent exposure when a 10 stop ND filter is added?”,”mediaType”:”image”,”image”:”https:\/\/www.lacockphotography.com\/wp-content\/uploads\/filter.png”,”imageCredit”:””,”video”:””,”imagePlaceholder”:””,”desc”:”A 10 stop filter will reduce the amount of light hitting the sensor by about 1024 times (2 to the power of 10). Therefore, assuming the ISO and f-stop remain the same, the shutter speed will have to be increased by 1024 times (1\/30 x 1024 = approx 34 seconds) to give the same exposure.”,”answers”:{“k8e23”:{“id”:”k8e23″,”image”:””,”imageId”:””,”title”:” ISO100, f\/8 and 34 seconds (i.e. more exposure).”,”isCorrect”:”1″},”8hd6u”:{“id”:”8hd6u”,”image”:””,”imageId”:””,”title”:”ISO100, f\/22 and 1\/30 second (i.e. less exposure).”},”03tbg”:{“id”:”03tbg”,”image”:””,”imageId”:””,”title”:”ISO100, f\/8 and 1\/30 seconds (i.e. the same exposure).”},”qr1n5″:{“id”:”qr1n5″,”image”:””,”imageId”:””,”title”:”I don’t know!”}},”id”:”k5fru”,”index”:6,”answerType”:”text”,”imageId”:””,”imagePlaceholderId”:””,”hint”:””}},”results”:{“6k3bp”:{“title”:”Well done – you certainly know your stuff. “,”image”:””,”min”:”5″,”max”:”7″,”desc”:”We suggest that you might be interested in our Masterclass Click here for details.<\/a>“,”id”:”6k3bp”,”index”:0,”imageId”:””,”redirect_url”:””},”iewnn”:{“title”:”Thank you for taking time to do the quiz, we hope you enjoyed it!”,”image”:””,”min”:”0″,”max”:”4″,”desc”:”From your answers we suggest that our Intermediate Digital Photography Course may be of interest to you<\/a>“,”id”:”iewnn”,”index”:1,”imageId”:””,”redirect_url”:””}}}