Long Exposure Calculators is a must-have app for any landscape photographer who is shooting with ND filters or with long exposures or at night. All important calculators, reference tables and cheat sheets in one place. Select your shooting parameters and the app will do the rest for you! CALCULATORS: • Stacking ND Filters: Need to stuck multiple ND filters? It's really easy now. • Graduated ND Filters: Not sure what Grad ND filter to use? Simply measure exposure for the sky and for the foreground and get the right answer. • Moonlight/Nightscapes: Helps you get the right exposure under moonlight. • Star-trails: Want to capture beautiful start trails? Get the right number of shots for stcking them later. • Still/non-moving stars: Helps you capturing beautiful starry sky without star trails. • Velvia 50: Still shooting film and worries about reciprocity failure? This calculator is for you. REFERENCE TABLES: • Neutral Density ND Filters Reference Charts / Cheat Sheets • Shooting Flowing Water Reference Charts / Cheat Sheets • Shooting Fireworks Reference Charts / Cheat Sheets • How to locate North and South Celestial Poles • Useful resources and links on low-light and night photography FEATURES: • Built-in Timer. Some calculators have built-in timer for your convenience. It is automatically enabled when your exposure is 30 seconds or more. • Alarm in Timer: You will be notified at 20, 10, 5 and 0 seconds when you are using countdown/timer. • Favourite Calculator: Lock your favourite screen for quick access when you opening the application. • Additional Info: Almost every calculator has some additional information about filters, used formulas, techniques etc. If a calculator is just a table than additional info is located below the table. LIMITATIONS OF LITE VERSION: • Only reference tables, cheat sheets and useful recourses are available. • No timers. SUPPORT: This application has been built by a photographer for photographers. Please don't hesitate to contact me if you found a bug or have a suggestion. Your feedback is very important!