1: A large piece of filter paper (60*60cm/10 sheets start shooting)

2: Qualitative 7cm slow speed

3: Qualitative 7cm medium speed

4: Qualitative 7cm fast

5: Quantitative 7cm medium speed

6: Quantitative 9cm (please note for speed)

7: Quantitative 11cm (please note for speed)

8: Quantitative 12.5cm (please note for speed)