For the Canon EOS 5D digital SLR camera, The Ee-A Focusing Screen (Standard Precision Matte) makes it easier for the user to get a clearly focused picture using manual focusing. Please note: this will not fit the canon EOS 5D Mark II. ...

For Canon EOS 40D & 50D digital SLR cameras, the Ef-A Focusing Screen (Standard Precision Matte) makes it easier for the user to get a clearly focused picture using manual focusing. ...

For Canon EOS 40D & 50D digital SLR cameras, the Ef-D Focusing Screen (Grid Precision Matte) maximises viewfinder brightness & is optimised for use with f/5.6 & slower lenses. It provides a 3-line (horizontal) by 6-line (vertical) grid for easier composition & horizon alignment. ...

Canon EOS 40D & 50D digital SLR cameras, the Ef-S Focusing Screen (Super Precision Matte) is optimised for wide-aperture lenses from f/1.8 through f/2.8. Areas that are slightly out of focus appear more out of focus, making it easier to tell when focus is right-on. It is ideal for users who frequently manually focus in dim light with fast lenses.    ...

For the Canon EOS 5D Mk II digital SLR camera, the Eg-A Focusing Screen (Standard Precision Matte) makes it easier for the user to get a clearly focused picture using manual focusing. ...

For the Canon EOS 5D MKII digital SLR camera, the Eg-S Focusing Screen (Manual Precision Matte) is designed for manual focusing with high-speed lenses (f/2.8 or faster). The Ee-S screen has finer microlenses than the Ee-A or Eg-D along with a steeper parabola of focus to make the image pop in & out of focus more vividly in the viewfinder. However, the Eg-S focusing screen is not recommended for slower lenses because it's not very bright.   ...

Focusing Screen Eh Produces a grid view in the EOS 7D Mark II’s viewfinder – useful when shooting architecture. ...

Mamiya focusing screen Type C (Microprism) for CCD size 48 x 36mm. ...

Nikon Focussing Screen Type E for D3 ...

The California Sunbounce Fold-it Location Truck can be used to transport heavy luggage & photographic equipment weighing up to 330.7 lb (150 kg). The 20” (50.8 cm) wheels allow you to easily maneuver the location truck even on rough terrain or dirt tracks. When not in use, the truck can be folded flat for easy storage. Made from aluminum, the Fold-it Location Truck is rust & corrosion resistant for increased durability. Using an optional tractor drawbar, the Fold-it Location Truck can be attached to a garden tractor, golf cart, or even to your bicycle for easy transportation. It is an ideal means of transportation for photographers, who need to constantly shift their photographic equipment. Transports heavy luggage & photographic equipment weighing up to 330.7 lb (150 kg) 20" wheels allow you to easily maneuver the location truck even on rough terrain or dirt tracks Folds flat for easy storage Increased durability with aluminum construction for rust & corrosion resistance Optional tractor drawbar allows attachment to garden tractor, golf cart, or a bicycle for easy transportation Ideal transportation device for photographers, who need to constantly shift their photographic equipment ...