A large opening (small f-stop number) gives you a very shallow DOF, and a small opening (big f-stop number) gives you a much deeper DOF.

一个大洞的开启(小f值)会带给你浅度景深，而一个小的开启(大f值)则会给你一个深度景深。

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His favourite piece of tech is his F-Stop Satori EXP, a rucksack he uses when carrying his gear to remote locations.

BBC: Pro photographers reveal their top travel gear

Washington Park is located at Fifth Avenue and Third Street in Park Slope (nearest subway stop, F to Fourth Avenue).

WSJ: A guide to exploring Jackie Robinson's Brooklyn

The statue is located outside MCU Park, where the minor league Cyclones team plays at Surf Avenue and West 17th Street, near the last stop on the D, F, N or Q train to Coney Island.

WSJ: A guide to exploring Jackie Robinson's Brooklyn