New Tiffen 40.5mm Red 23A Filter for Black & White Film MFR # 77R23A

Description

40.5mm
RED
23A FILTER
Listing & for sale is a brand new Filter in original box
Increasing contrast when working in black and white, this 40.5mm Red 23A Filter from Tiffen is used to noticeably darken cool and blue tones in order to emphasized both shadows and clouds. Offering greater tonal separation than regular yellow and orange contrast filters, the light-red 23A is especially well-suited to producing dramatic outdoor and landscape imagery. There is an approximate 4x filter factor with this filter, requiring an increase of 2 stops for normal exposure.
The filter is constructed using Tiffen's ColorCore technology, which involves lamenting the filter material between two pieces of optical glass, grounding flat to a tolerance of 1/10,000th of an inch, and mounting within an aluminum alloy ring.
Light-red filter provides the same effect as a Wratten 23A contrast filter, and helps to darken blue tones while lightening warm orange and red tones, when photographing in black and white.
Commonly used for landscape photography to emphasize and darken blue skies and give clouds more visual depth.
Filter factor of 4 requires approximately 2 stops of additional exposure to maintain normal results.
ColorCore technology, which permanently laminates the filter material between two pieces of optical glass, maintains image clarity, accuracy, and consistency.
Aluminum filter ring is both lightweight and durable.
TIP HOW TO
PROLONGING
THE LIFE OF YOUR FILTERS
Filters, like all crafted optics, are susceptible not only to breakage, but to premature aging caused by environmental factors. Most filters are made up of several layers of materials consisting of glass, dyes, optical cements, chemical compounds, particles etc. Even with protective measures employed, there are many factors that can still affect the longevity of the filter: moisture (
prolonged
exposure to humidity), excessive heat and excessive light are the most common environmental causes that can affect the filter’s chemistry over time.
To protect your filters and keep them in great working condition for a long time (along with the rest of your camera gear) we recommend making sure to keep the filters stored in a dark, cool, and dry place when not in use. The use of filter pouches or specialized cases will also keep your filters safe from breakage when not in use. If you are in a humid environment, the addition of fresh silica gel packs or a dehumidifier in the room they are stored is also highly recommended. Protecting your filters as you would your camera lenses will ensure many years of use of your filters.
What do you recommend cleaning filters with?
Hand blower first, if it's just light dust, that usually handles it.
If you need to clean further, a Kim Wipe sprayed with Tiffen/Pancro Lens Cleaner, work in a circular motion from the middle out
.
We at Guru Enterprises in Chatsworth, CA thank-you for stopping by. Please keep us in mind for all your requirements in motion picture equipment in future.
We deal in both - New & Used Gear.
.99 by First-Class Mail
.
.99 by Priority Mail & .99 by FedEx 2 day Air.
International Shipping will be .99
by Standard Shipping.
FedEx Priority shipping .99 to most countries.
We can order any filter from Tiffen/Schneider Optics/Formatt-Hitech/Tokina so let us know your special requirements if you have any.
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(California residents will have to pay 9.5% for sales tax.)
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KEY WORDS: ARRI ARRIFLEX RED TIFFEN PANAVISON
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