Rosco Polarizing #7300 Filter (17 x 20" Sheet)

Rosco Polarizing #7300 Filter (17 x 20" Sheet)

Rosco Polarizing #7300 Filter (17 x 20" Sheet)

B&H # RO7300S MFR # 101073001720
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Rosco 7300 overview

  • 1Description

This Rosco Polarizing #7300 Filter is a neutralizing linear polarizing film used in front of lights to reduce the glare caused by smooth surfaces such as glass, water, paper, and certain metallic objects.

This sheet is especially effective when used in conjunction with a polarizing filter at the lens (cross-polarization). It should be placed at a slight distance from hot lights.

UPC: 096727540035
Table of Contents
  • 1Description

Rosco 7300 specs

Size 17 x 20" / 47 x 51 cm sheet
Packaging Info
Package Weight 0.5 lb
Box Dimensions (LxWxH) 21.6 x 2.0 x 2.0"

Rosco 7300 reviews

Polarizing #7300 Filter (17 x 20" Sheet) is rated 4.5 out of 5 by 43.
Rated 4 out of 5 by from Best value polarising filter This will do the job for you. I have used Rosco polarizers for over 20 years and am happy with their neutral colour and effectiveness when used with a cross-polarised lens filter to eliminate reflections from repro work. Though thin and flimsy, they can be made consistent and fairly durable provided you sandwich them between sheets of perspex. Cut square to the diameter of my flash scoops (reflectors), I clip the 'sandwiches' on to the edges of the scoops with ordinary large-size office 'bulldog' clips. Far cheaper than buying Kaiser, but maybe Samigon ready-mounted would be cheaper in the long run.
Date published: 2011-01-18
Rated 3 out of 5 by from Works, but don't get it hot I have been using these with tota tights (750W) and tota filter clips. What is really frustrating with these filters is that they come rolled, and insist on re-rolling themselves at all times. This makes mounting difficult. I also had a problem after a few uses that they became warped due to the heat from the lights, making it nearly impossible to keep the polarization aligned properly. Next time I'm going for a thicker, made-flat filter that is better at handling heat from the lights. Might work better with a lower power bulb, but they still have issues.
Date published: 2010-01-07
Rated 4 out of 5 by from Good product - handle with care. Bought two of these semi-expensive beasts to shoot paintings in a very tight space to minimize glare and reflections (using cross-polarization - look up on Web for more info on CP). Clipped the sheets (gels) to thin boom poles (with four large binder clips-2 on the top attached to pole, two on bottom as weights) and let them hang freely in front of reflectors with 85 watt CFL lamps (positioned about two inches behind the hanging gel sheets). Worked perfectly for cross-polarization photography of large paintings. As others have mentioned I did not observe any color shifts of the light caused by the gels. The CFL lamps remained cool enough not to melt or ruin the gels (older hot lamps would have melted the gels). Be patient with the gels - handle them slowly and with care to avoid creasing and scratching them (not easy when you are under the gun for time - but at nearly $50 a sheet you'll undersatnd). When shooting is done roll the gels up with the protective tissue paper that they come with and store the roll in the clear thin tube that they came in. Place the tube into thicker poster tube for extra protection during transporation & storage (which as any photographer knows can be plenty rough and tumble).
Date published: 2012-03-20
Rated 4 out of 5 by from Works great for Cross Polarization Got the #7300 sheet ... then unrolled the filter. I cut two pieces off and taped them over the two lights I have on my copy stand, being sure to keep them in the same alignment. Then I used a rotating polarizing filter on my camera, and turned it until the background of the copy stand went darkest. (turning it around and around you can see it change.) I placed a picture on the copy stand, and reflections were virtually gone.The cross polarization technique is working great to shoot images of old photos which are printed on textured paper; scanning them doesn't work as well.
Date published: 2011-04-05
Rated 4 out of 5 by from Works well, but a pain to create filters for softbox lights I bought a pair of filters which I used to photograph Chinese antiques for appraisal and insurance purposes.� Two of the antiques, a round vase and a flat platter, exhibited pronounced reflections when illuminated with my softbox lights.� The key to getting rid of the reflections, is to use a cross-polarization setup, i.e. polarizing filters on the light sources and polarizing filter on the camera lens.� To use with my softbox lights, I had to create flat filters from the coiled polarizing film.� I did this by creating frames from quarter-inch flat panel display stock.� Once they were done, they worked beautifully. The reason I gave the product a "4" instead of a "5" is that the film ships coiled, and was difficult to apply to the frames.� Frames would be much easier to make if the polarizing film shipped flat.
Date published: 2018-01-24
Rated 5 out of 5 by from Amazing stuff - great for lighting This polarizing filter is great. I've used it on lights of all kinds, profoto strobes, camera mount flashes, etc. The extinction coefficient is very high, meaning that two pieces of this stuff at 90 degrees is going to kill more light than any of your best circ. polarizing filters except the B&W Kasemann or Schneider MRC polarizing filters. Can be reused over and over....and I cut off sections to fit - just remember to mark the direction if you cut pieces off so you can mount them in the same directions if you are covering multiple lights.
Date published: 2008-11-20
Rated 4 out of 5 by from Rosco leads the (filter) pack Double-polarising a subject is tricky as well as technically challenging if you don't know what you are doing. Rosco makes it simple with sheet filters which are neutral colour, consistent in density and in convenient sheet sizes. Whether using continuous lights, studio flash or monos, the filters can be cut to fit any format or mask. The one unavoidable drawback is flattening the tightly-wound sheet when it arrives!
Date published: 2011-07-31
Rated 3 out of 5 by from Seems to work I use this to reduce glare when taking photos of my original oil paintings. It works as advertised. It seems fairly durable but is tightly rolled making it kind of hard to work with. You'll need some type of frame and clips to secure it in front of your lighting. Scratches easily but this doesn't seem to show up in the photos I've taken thus far.
Date published: 2010-05-17
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