Fresnel Lens Screen 8x10 10x8 for Large Format Film Plate Camera Gandolfi

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Seller: burleycameras ✉️ (83) 100%, Location: Hythe, GB, Ships to: WORLDWIDE, Item: 315249981780 Fresnel Lens Screen 8x10 10x8 for Large Format Film Plate Camera Gandolfi. This Fresnel Lens screen is for 8x10 (10x8) cameras that have a full sized 8x10" ground glass. The actual size of the Fresnel measures 202x253mm and is optimised for lenses 390mm and shorter*.  This is ideal for Gandolfi Precision 8x10 cameras. For a Deardorff clipped corner Fresnel, please contact me. ----------------------------------------------------------------------------------------------------------------------------------------------------- These Fresnel lenses are designed to be installed so that the grooved side of the Fresnel is touching the outside (shiny) side of your ground glass screen. This is not a focusing screen. My Fresnel lenses have been selected to provide the following benefits:
  • Increase in apparent brightness and more even illumination over the frame. Corners are visible without needing to hunt around the frame, meaning time under the focusing cloth is better spent.
  • Fine grooves. The fine groove width allows ease of focus through the Fresnel with a loupe.
  • Protection of the ground glass. 1.8 to 2.0mm thick acrylic material.
  • Each Fresnel comes supplied in a tin case. Ideal for you to store an emergency ground glass screen.
I also stock the following sizes: 3 1/4 x 4 1/4” (Quarter Plate), 9x12cm, 4x5”, 4x5” Clipped Corners, 4 3/4 x 6 1/2” (Half Plate), 5x7”, 13x18cm, 6 1/2 x 8 1/2” (Whole Plate), 18x24cm and 8x10”, 10x12”, 8 1/2 x 15”. Half Plate, 5x7” and 13x18cm also available as special long focus types which are ideal for reducing backs (with longer focus lenses). I also hold a small stock of Fresnels to fit specific camera brands/models: Shen Hao 4x5" (Clipped Corners), Graflex Speed/Crown Graphic 4x5”, RB Super D 4x5”, Graflex Home Portrait 5x7”, Argentum 5x7” Wide Angle, Argentum Long Focus 5x7”, as well as others. *N.B. Ideally, a Fresnel lens screen works best when the focal length of the Fresnel roughly matches the focal length of the lens being used. In the table (photo 3) I have added +20% to the focal length of the Fresnel to mark the upper limit of the optimum range. Lenses of a shorter focal length can of course be used, however the brightness-boosting effect will become less noticeable the wider the lens is. If you have a specific question, please get in touch!
  • Condition: New
  • Brand: Burley Cameras
  • Type: Fresnel
  • To Fit: Camera

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