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Description
NiSi 100 x 150mm Nano Hard-Edge Reverse-Graduated IRND 0.9 to 0.15 Filter (3 to 0.5-Stop)8x to 1. 4x Filter Factor, 3 to 0. 5 Stop Reduce Exposure for Sunrises or Sunsets Increases to Maximum Density at Center Effect Configured for Sun at Horizon Hard Edged Line of Transition NiSi Optical Nano Coating Neutral Results, Visible, & IR Spectrums Optical Glass Construction 2mm Thick Leatherette Pouch This Nano Hard Edge Reverse Graduated IRND 0. 9 to 0. 15 Filter from NiSi is compatible with filter holders that can accommodate 2mm thick, 100 x
- 8x to 1.4x Filter Factor, 3 to 0.5-Stop
- Reduce Exposure for Sunrises or Sunsets
- Increases to Maximum Density at Center
- Effect Configured for Sun at Horizon
- Hard-Edged Line of Transition
- NiSi Optical Nano Coating
- Neutral Results, Visible, & IR Spectrums
- Optical Glass Construction
- 2mm Thick
- Leatherette Pouch
This Nano Hard-Edge Reverse-Graduated IRND 0.9 to 0.15 Filter from NiSi is compatible with filter holders that can accommodate 2mm-thick, 100 x 150mm rectangular filters. It can be applied to darken bright skies, specifically during a sunrise or sunset, while allowing for a normal, unaffected exposure in the other regions of the image.
This filter achieves its effect with a 0.9 band of density across its center region that provides a 3-stop reduction in light from entering a lens. This band extends approximately 4mm in both vertical directions which tapers to a 0.15 density that provides a 0.5-stop reduction in light at the edge above it. Directly below the 0.9 band of density, it tapers to clear, with a hard-edged line of transition before the clear area.
The placement of a 0.9 band of density that tapers to a density of 0.15 above it with a clear area directly below, allows the NiSi 100 x 150mm Nano Reverse-Graduated IRND 0.9 to 0.15 Filter to match the positioning of the sun when it is at, or immediately above the horizon. In such instances, the sun can appear closer to the center of an image as opposed to the upper edge, and an increase in brightness is created that is more prominent on both sides of the sun than above it. This pattern of brightness corresponds to the density pattern on the NiSi 100 x 150mm Nano Hard-Edge Reverse-Graduated IRND 0.9 to 0.15 Filter. The hard-edged line of transition in this reverse, graduated neutral density filter is useful for hard transitions between the sky and land, while the 3-stop to 0.5-stop gradation is applicable to multiple regions of brightness within the sky.
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- Compatible with filter holders that can accommodate 2mm-thick, 100 x 150mm rectangular filters
- Effectively darkens bright skies, specifically during a sunrise or sunset, while allowing for a normal, unaffected exposure in the other regions of the image
- 3-stop band of density that tapers to a 0.5-stop density at the edge above it while directly above a clear area creates a neutral density pattern that matches the positioning of the sun when it is at, or immediately above the horizon
- 3-stop band of density extends approximately 4mm in both vertical directions
- Density pattern corresponds to the brightness pattern of the sun when it appears at or is closer to the horizon as opposed to a higher angle, which creates an increase in brightness that is more prominent on both sides of the sun than above it
- Hard-edged line of transition between the 3-stop band of density and the clear area below it is useful for hard transitions between the sky and land
- 3-stop to 0.5-stop gradation is applicable to multiple regions of brightness within the sky
- Filter does not affect the overall coloration of the image
- Each surface includes one layer of NiSi Optical Nano Coating that attenuates infrared light as well as visible wavelengths, to maintain color neutrality and suppress color casts due to increased exposure times
- Nano coating provides an improved beading effect with water or oil for more efficient cleaning
- Constructed from optical glass for clarity
- Leatherette pouch included for storage and transport
In the Box
NiSi 100 x 150mm Nano Hard-Edge Reverse-Graduated IRND 0.9 to 0.15 Filter (3 to 0.5-Stop)
- Filter Pouch
- Limited 1-Year Warranty
| Type | Reverse-graduated neutral density |
| Edge Blending | Hard |
| Size | 3.9 x 5.9" (100.0 x 150.0 mm) |
| Thickness | 0.1" (2.0 mm) |
| Density | 0.9 to 0.15 |
| Filter Factor | 8 (3 stop) to 1.4 (0.5 stop) |
| Effect | Reduces exposure in select areas of an image and helps to attenuate IR contamination |
| Construction | H-K9L optical glass |
| Packaging Info | |
|---|---|
| Package Weight | 0.7 lb |
| Box Dimensions (LxWxH) | 8.6 x 6.7 x 0.9" |
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4.8 ★★★★★
Based on 89 reviews
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Product Reviews
★★★★★ 5
Justice and Grace, God's desire for our lives
Format: Kindle
Tim Keller does another great job in writing a book that will be helpful for Pastors and laymen. He takes the issue of God's Justice and guides us through a discussion of what it justice means Biblically and how do we apply it today. There are many verses about justice and especially about helping the poor in the Old and New Testament. Many are in the Old Testament and people often dismiss them thinking that the Old Testament has been done away with and replaced with the New Testament.
But the bottom line is this, the poor we will have with us always and how do we deal with them? How do we help them with their issues of hunger, lack of resources, lack of advocates standing up for them with the judicial system and society at large. What also do we do with the "year of jubilee" where the debts of the poor are forgiven and they are given a fresh start. What should we do with that today.
Keller takes us through a discussion of the definition of Justice, why the Old Testament is still valid, what does Jesus say and how do we treat our neighbors. He reminds us that the Old Testament, specifically the nation of Israel, was a Theocracy style of government. So how do we in a democracy deal with the poor since it is a completely different style of government than a Theocracy. What is the point of justice? What should we do about standing in the gap for our neighbors who are poor, or do we ignore them and let the government deal with them through welfare?
There are deep theological issues here and deep moral issues as well. How do you respond to the poor? How do you handle your resources? What do you do regarding Charity? Why do you act charitably?
Keller also talks a good bit about how our young people are moving back into a culture of "volunteerism" and the benefits that has on society as well as on themselves. But the real issue comes down to the heart issue of why do they volunteer to help the poor.
Wrapped in all of this is a discussion also about "God's Grace". Because some people feel that justice might just mean that we let people suffer in their poverty because they bring it on themselves. But the Bible is clear. Our task is to help the poor, the widow, the orphan, etc. These people are precious to God and thus should be precious to us.
This is a quick read, but a very needed read for the "Western Church" today. You will be forced to look at the role of "Deacon" in the church and how that role was put together to serve the poor. You will be left with this question, how does my church stack up in regards to reaching the poor? How would God feel we have done in serving the poor and providing "justice" for them.
Enjoy!
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Reviewed in the United States on November 3, 2010
★★★★★ 5
A Slim Book with a Big Message
The book is an attempt, Keller writes, to connect a person's Christian faith with the desire to help people in need and do justice in all aspects of one's life. He is writing for four groups of people, he says. These are:
-- Those, especially the young, who are active in volunteering and want to help the poor but their concern does not affect how they spend money or plan their careers.
-- Those who don't see, as Jonathan Edwards said, that when the Spirit enables us to understand what Christ has done for us, "the result is a life poured out in deeds of justice and compassion for the poor."
-- Younger evangelicals who have expanded their mission to include social justice along with evangelism.
-- People like the atheist Christopher Hitchins who believe that religion "poisons everything."
This book, Keller writes, is for "the orthodox (Christian) to see how central to the Scripture's message is justice for the poor and marginalized. I also want to challenge those who do not believe in Christianity to see the Bible not as a repressive text, but as the basis for the modern understanding of human rights."
Keller spends the early parts of his book discussing how justice for the poor, the immigrant, the widow and orphan was central to the concept of mercy (in Hebrew, chesedh), justice (mishpat) and righteousness (tzadeqah). Mercy has to do with aligning our attitude with that of a merciful God. Justice is aligning our actions -- equitable dealings with people -- with a just God's. Righteousness in the Hebrew context has more to do with right relationships than obeying a set of rules, as modern Christians often think of it.
Someone who is "right with God (is) therefore committed to putting right all other relationships in life." (Alec Motyer) Righteousness is "day to day living in which a person conducts all relationships in family and society with fairness.While tzadeqah is primarily about being in a right relationship with God, the righteous life that results is profoundly social. (See Job 29:12-17, 31-13-28.
Keller details the Hebrew law's provision for exercising justice. These are:
-- Shemitta, or release. The practice of the Sabbath year, every seventh year releasing people from debts or servitude. Deut. 15:1-2
-- Gleanings. The practice of not harvesting fields to their borders. Keller suggests that modern businesses could imitate this practice by not maximizing profits, thus giving price relief to their customers, and not paying workers the lowest possible wages. Leviticus 19:9-10, 23:22
-- Tithing for the priests and the upkeep of the temple. Every third year the tithe was put in public storehouses for the poor, "the aliens, the fatherless, and the widows." Deut. 14:28-29. This makes me think that churches should practice this in some form by systematically committing a portion of its receipts to serving the poor and needy.
-- Year of Jubilee. The practice of every 49th or 50th year of forgiving debts and returning land to its ancestral owner. Leviticus 25:10, 23, 27:21.
These practices helped meet the needs of the poor and helped prevent permanent cycles of poverty.
The three causes of poverty, according to the Law are oppression, calamity and personal moral failure. The biblical emphasis is usually on the larger structural factors -- corruption, oppressive economic systems and natural disasters. The exercise of justice, however, never distinguishes between the three. That is, no matter why a person is poor, the righteous person should care for him.
Well, that's the Old Testament,, some might say. But Jesus showed the same concern for the poor and disadvantaged, if not more so. His response to John in Matthew 11:4-5, and the beginning of his ministry in Luke 4. As Eugene Peterson writes in The Message, the Word became flesh and moved into the neighborhood. He identified himself with the poor and showed special concern for children, aliens, women.
Jesus and the prophets all "leveled the charge that while the people attended worship, observed all religious regulations and took pride in their biblical knowledge, nevertheless they took advantage of the weak and vulnerable."
Vulnerable people need three levels of help -- relief, development and social reform. Relief is the immediate problem (paying the rent, for instance); development is to help then move beyond dependency (job training); social reform is correcting systemic injustice (redlining).Social reform likely requires the creation of extra-church or parachurch organizations. Churches also can partner with existing organizations or churches that operate in vulnerable populations.
Evangelism and social justice "should exist in an asymmetrical, inseparable relationship. Evangelism is the most basic and radical ministry possible to a human being ... not because the spiritual is more important than the physical, but because the eternal is more important than the temporal. If there is a God, and if life with him for eternity is based on having a saving relationship with him, then the most loving thing anyone can do for one's neighbor is help him or her to a saving faith in that God, Keller writes.
Doing justice is inseparably connected to preaching grace. One way is that the gospel produces a concern for the poor. The other is that deeds of justice gain credibility for the preaching of the gospel.
This book is a slim one that carries a heavy message. It challenges us comfortable churchgoers to examine our community and ask whether we are of any importance to the wider community. If our "church" ceased to exist, would anyone miss us? What are we doing in obedience to God's commands to serve the poor, the widow, the orphan, the prisoner, the hungry? There is a lot here to reflect on and for a small group(s) to discuss and apply. Unfortunately, I contacted the publisher and there is no accompanying study guide.
Keller is pastor of Redeemer Presbyterian Church in New York City.
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Reviewed in the United States on October 12, 2011
★★★★★ 4
Four Stars
Format: Paperback
Interestin.
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Reviewed in the United States on November 15, 2017
★★★★★ 5
Taste good
These are great
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Reviewed in the United States on March 28, 2026
★★★★★ 5
Good.
These work really well. Price is great. My kids have not complained about the taste or any issues with chewing them. No sleep issues or grogginess upon waking.
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Reviewed in the United States on May 7, 2025
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