Instruction/ maintenance manual of the product SLR Konica Minolta
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FEATURES SECTION Comparison of 10 digital SLR cameras for orthodontic photography D. Bister, Faranak Morderai and R. M. Aveling Department of Orthodontics, Guy’s Hospital, London, UK Digital photography is now widely used to document orthodontic patients.
N higher pixel count (the higher the pixel count the larger the image); N increased dynamic range (reproducing lighter and darker areas better); N advanced color reproduci bility (ability to reprodu c.
Pentax only produced the 100 mm macro-lens at the time of testing,); Olympus only produ ces a 50 mm macr o- len s, whi ch take s magn ifi cati on di ffer en ces between analogue and digital formats into accou nt. The lenses chosen for this study were kept as close as possible to a 100 mm equivalent (for 36 mm analogue film).
the or ig inal comp ute r gen er ated colo r usi ng ‘Sp yde rP RO’ b y Col or Visi on TM (U. S.). The im ag es were also ‘anonymised’ and asses sed by two operators (F.M. and D.B. ) for color reprodu ction. Neither of the assessors were co lor blind.
was tested with new singl e-use standard AA batteries (Duracell, NVSA Belgium ). Results A summary of the resul ts is presented in Table 2. Color fidelity For th ese re su lts p le ase re fer to th e sect ion o n ind ivi dual came ra s in Table 2. All imag es we re tak en in JP EG mod e.
situati ons with little lig ht and the other hal f are dedicat ed fo r si tu at io ns w it h no rm al an d b ri gh t li gh t, h en ce increasing the ‘dynamic ran ge’ of the sensor . However, for all but the ‘maxim um dynamic rang e’ settin gs only half of the pixels are use d, result ing in 6 million effect ive pixels.
Pentax *istDs (Pentax Corp., Tokyo, Japan). This came ra use s the sa me senso r as the Ni kon D100 . However, in contrast to the latter camera, the Pentax images were strongly biased towards red. The camera was also very ‘trigger happy’ causing mult iple unwanted exposures.
the UK are colour-de ficient. 6 Slight variations in color, although occasionally impor tant, are not absolutely paramount to taking good or thodontic records.
Authors Queries Journal: Journal of Ort hodontics Paper: 3338 Title: Comparison of 10 digital SLR came ras for orthodon tic photography Dear Author During the preparation of your manuscr ipt for publication, the questions listed below have arisen. Ple ase attend to these matters and return thi s form with your proof.
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If you already are a holder of Konica Minolta SLR, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Konica Minolta SLR.
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