Formatt Hitech 138mm Ultraviolet (uv) Haze 2a Schott-desag B270 Crown Optical Glass Filter
- Product Code: ga249760
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The Formatt 138mm UV2A Haze Schott-Desag B270 Crown Optical Glass Filter is a wise investment. It can help protect your valuable investment from dust, moisture and scratches, which can lead to costly repairs.
It provides virtually 100% UV absorption. The Haze 2A is excellent for conditions where UV is very prevalent such as at high altitude.
Parameters | |
---|---|
Filter Type | UV-Haze 2A |
Exposure Reduction | No |
Size | 138 mm Rear Filter Thread |
Front Accessory Thread / Bayonet | No |
Coating | Multi Coated |
Filter Material | Glass |
Packaging Info | |
Package Weight | 0.35 lb |
Box Dimensions (LxWxH) | 6.5 x 6 x 1" |
If desired it can be left on the lens at all times for protection
Haze filters provide additional benefits of correction for Ultraviolet(UV) light which can register on film and videotape as a bluish cast and can obscure distant details
Ultraviolet filters allow you to correct for the UV effect to varying degrees
Related Questions and Answers
Q: 1. Is there anyway to adapt this system for Profoto OCF?
A: The following item will mount to Profoto system.
Q: 2. Can I use my Godox DP1000III Professional Studio Flash with this accessory?
A: Officially, the Westcott Optical Spot by Lindsay Adler for Bowens (B&H# WEOSLABWNS) says it's for studio strobes up to 600W/s and LED lights up to 100W. The major concern is the amount of heat that is generated inside of this tight-fitting modifier. Having said that, as long as you are not using the incandescent bulb of the Godox DP1000III Professional Studio Flash (B&H# GODP1000III) and you don't use the strobe in a way that results in a buildup of heat then the heat won't be a concern. Please keep in mind that using this in a way that's not consistent with the manufacturer's specifications might void the warranty.
Q: 3. What would be the best source for additional Canon EF lens to use with the Optical Spot?
A: If you own Canon EF mount lenses, 50, 40 or 35mm prime lenses will create a wider spread than the 150mm lens provided with the Westcott Optical Spot by Lindsay Adler for Bowens.
Q: 4. 1) Looking at the specs, can this be used with a Profoto D2 1000 Ws at up to power 9.2 with proportional modeling light? 2) Best used with flat glass or dome?
A: Unfortunately, this Optical Spot is not recommended for use with a Profoto D2 1000 monolight. Otherwise, it can be used with a D2 500 watt/sec monolight with the flat glass installed.
Q: 5. How does it focus?
A: The 150mm f/3.5 lens included with this kit would have a manual focus ring in front.
Q: 6. What are the gobo sizes on the Optical spot?if i need to buy 3rd party i need to check the fitment but no where does it mention the size (86mm, 88mm, B, M etc)
A: The following unit adapts to size Size: M (2.6" gobo units.
Q: 7. Can you use this https://www.bhphotovideo.com/c/product/1713555-REG to adapt to broncolor mount if i got the bowens version?
A: Yes you can.
Q: 8. Is there anyway to purchase without the lens?
A: Westcott only sells the Westcott Optical Spot as kit with a lens.
Q: 9. Is this compatible if my Atamos NinjaV is using the small rig cage? Or does it have to be cageless to work?
A: The SmallRig 2209 Cage for Atomos Ninja V/V+ should not effect the Kinotehnik LCDVF 5.2 Optical Viewfinder's (Shinobi, Ninja V/V+, BM5, LH5H) ability to mount to the Ninja V monitor.
Q: 10. Westcott says this modifier is not to be used with a strobe's modeling light on. It is understandable that leaving a 250 watt modeling light on inside this modifier's closed structure would be dangerously hot, but would it be unwise to use a 250 watt modeling light **even briefly** for the purpose of aiming the focused spot?? It I were to buy this I would want to be able to use my modeling light at least briefly to be able to aim the small focused spot of light on the small products I shoot.
A: Following unit adapt to any Bowens mount system.
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