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Description
NiSi 150 x 150mm Nano IRND 4.5 Filter (15 Stop)32,000x Filter Factor, 15 Stop Darkens Entire Image Allows Reduced Shutter Speed Allows Wider Aperture Neutral Results, Visible, & IR Spectrums NiSi Optical Nano Coating Optical Glass Construction Leatherette Pouch The NiSi 150 x 150mm Nano IRND 4. 5 Filter is an ND filter with a 32,000x filter factor that provides a 15 stop exposure reduction. Its 4. 5 density creates a darkening of the entire image, allowing you to photograph with a wider aperture
- 32,000x Filter Factor, 15 Stop
- Darkens Entire Image
- Allows Reduced Shutter Speed
- Allows Wider Aperture
- Neutral Results, Visible, & IR Spectrums
- NiSi Optical Nano Coating
- Optical Glass Construction
- Leatherette Pouch
The NiSi 150 x 150mm Nano IRND 4.5 Filter is an ND filter with a 32,000x filter factor that provides a 15 stop exposure reduction. Its 4.5 density creates a darkening of the entire image, allowing you to photograph with a wider aperture or slower shutter speed than normally required. By slowing your exposure time or increasing your aperture, you are able to control depth of field and convey movement more easily. Neutral density filters are intended to not affect the coloration of the image and are ideal for pairing with other filters.
The design of this filter has been optimized for use with digital sensors and to promote nearly flat attenuation of visible and infrared light. Due to imaging sensors' greater susceptibility to infrared light, compared to traditional film, color casts can occur when photographing darker subjects that require increased exposure times. To provide a high level of neutrality across the visible and infrared spectrums in order to eliminate color casts and ensure cleaner, truer blacks when using the NiSi 150 x 150mm Nano IRND 4.5 Filter, one layer of NiSi Optical Nano Coating is applied to each of this filter's surfaces. The Nano coating associated with this filter also results in an improved beading effect when in contact with water or oil for greater cleaning efficiency.
This NiSi 150 x 150mm Nano IRND 4.5 Filter is constructed from optical glass for clarity as well as color fidelity, and measures 2mm thick.
- 150 x 150mm neutral density filter darkens the image, allowing you to photograph with a longer shutter speed or wider aperture than normally required.
- Providing a 15 stop exposure reduction, this filter allows you to control depth of field and convey movement more easily.
- Filter does not affect coloration of the image and is ideal for use with other filters.
- 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 150 x 150mm Nano IRND 4.5 Filter (15 Stop)
- Filter Pouch
- Limited 1-Year Warranty
| Filter Type | Solid ND Combination |
| Combination Type | IR Attenuation |
| Density | 4.5 (15 Stops) |
| Shape | Rectangle |
| Rectangular Size | 5.91 x 5.91" / 150.0 x 150.0 mm |
| Filter Thickness | 0.08" / 2 mm |
| Filter Material | Glass |
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4.3 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Been on the Camino and love this book
Format: Paperback
I am a Joyce Rupp fan. I'd always dreamt of doing the Camino some day, and when I saw that Joyce had done it, and written a book about it, I quickly bought it and read it.
Her book gave me the courage to buy a plane ticket and go. I'm a hiker and camper. I could tell from reading her book that some of the facets of the hike- some of the albergues, some of the pilgrims, some of the food-- etc etc-- were perhaps harder for her to accept than they would be for me. I thought she gave a really honest appraisal of how things were for her, and was touched by how she eventually resolved some of those contretemps.
I recently was looking at reviews of the book and was surprised to see some of the negative reviews. What I got from reading Joyce's book was an honest look at the Camino from the eyes of a middle-aged woman used to her own personal space, solitude, food, level of cleanliness, etc. One does necessarily give a lot of that up when on the Camino, if you stay in the albergues! They are fabulous places for meeting people from all over the world- but they can make you cringe if you are not used to hearing snoring at night. What I love about this book is the life lessons, her thoughts on what she found there, and what she got out of it in spite of -- and maybe even because of her discomfort.
I recommend this book for mature people thinking of hiking the Camino. In 2011 I accompanied a women's group from my church from Samos to Santiago, and I asked them all to read the book-- they liked it, too.
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Reviewed in the United States on August 22, 2013
★★★★★ 5
A Pilgrimage Of Body and Spirit
Format: Paperback
Back in the summer of 2003, I visited a former seminary roommate in Leon, Spain. I showed up a couple of days before his wedding after backpacking through Amsterdam, Paris, London, and Madrid. While strolling together through Leon, my Spanish friend remarked that people thought I was a "Pilgrim" because of my clothing and backpack. I asked him to clarify, and he replied that Leon was on the path of the Camino Pilgrimage. Thus began my interest in the topic.
"Walk in a Relaxed Manner" was the first book I read about the Camino. It's newly published, written by a 60-year-old nun who walked the Pilgrimage around the time I was in Leon. She hit the trail with a retired priest, and this book was born from that experience. The subtitle and theme is "Life Lessons From the Camino," and each chapter is based on a way she grew due to the Pilgrimage. For example, the book's title is shared with a chapter where Sr. Rupp describes how she learned to walk slowly and thoughtfully instead of quickly and competitively. Other chapter titles include "Savor Solitude," "Deal with Disappointments," and "Live in the Now." Such topics may strike some as trite. But I found it impressive that more often than not, it was the walk's difficulties that enabled her to internalize these truths.
The author writes in a clear and readable manner. She rejoices in the high points of the Pilgrimage, and is honest about the lows as well. Each lesson is presented in a thoughtful manner, and all are applicable to everyday life. However, like many spiritual insights perhaps some sort of defining experience is required to truly own them. But reading about these truths may be a way to prepare the heart for their eventual actualization. Although a Catholic nun in the Servite Community, Sr. Rupp keeps things fairly ecumenical throughout her tale. In addition, practical advice about the Pilgrimage is sprinkled throughout the book, and a list of helpful Camino resources is included at the end. There's even an authorized website based on Joyce Rupp's name if you want more info about her.
Someday I'd like to do the El Camino Pilgrimage. I hope I don't have to wait until my sixties, but sometimes you have to let things happen in their time. If I do walk it, I'll be glad if I learn and grow half as much as Sr. Rupp did. Recommended for all travelers and pilgrims.
UPDATE 9/7/07: Well, I only had to wait until I was forty to do the Camino. On 7/14/07 I stepped off in St. Jean Pied-de-Port (France), and on 8/24/07 I walked into Santiago, Spain. After returning home to the US, I went through this book again. It was nice reading about familiar places on the Way, and also to identify with the lessons Ms. Rupp writes about. Recommended even more now that I've actually done the trek.
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Reviewed in the United States on December 29, 2005
★★★★★ 5
This book is the real deal
Format: Paperback
This book is the real deal. I found it to be eye-opening, because, despite sounding very advanced and almost next-level, the attacks accompanied by source code show how simple and effective they are in reality.
This book seemed light at first (200 pages), so I was skeptical at it's ability to really tackle advanced topics, but I will say I was very pleasantly surprised. Those two hundred pages are action packed and filled with jaw-dropping 'this is cool' moments.
My only gripe with it is that it's a little formulaic, with the social engineering being shoehorned into every attack, and maybe pushing the whole APT thing too much, like when you really want something to become 'a thing'. Do we really need to socially engineer payloads using the same formula for all of the attacks? Not even one 'ha Ked the router with boring Cisco exploits' example? I guess it wouldn't make for an entertaining book.
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Reviewed in the United States on August 23, 2018
★★★★★ 5
Best pentest book read to date
Format: Paperback
This is the best penetration testing book that I have ever read to date. There is such a depth of understanding of penetration testing that is conveyed in this book in the way that the author is able to portray highly advanced topics in a conceptually understandable way. A novice might not be able to follow the text, as it is advanced, but for anyone looking to open their mindset up to becoming a more effective penetration tester, I HIGHLY advise this book.
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Reviewed in the United States on April 4, 2022
★★★★★ 5
Worth every penny
Format: Paperback
This book is in a class of its own compared to other security and pentesting books. I would highly recommend to anyone interested or currently working in network security. Instead of simply explaining how to use common pentesting tools, Wil Allsopp explains how they work and how to write your own custom tools from the ground up. Even if you do not have a programming background, it is worth understanding how an attacker can infiltrate a "secure" network without being detected.
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Reviewed in the United States on April 21, 2017