Basic High Pass Filter Circuit

Heliopan Bay 2 #12 Dark Medium Yellow Filter

Product Code: ga26300
Availability: In Stock

$227.85 $344.05

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Description
Reviews (2)

The Heliopan Bay 2 #12 Dark Medium Yellow Filter is a basic contrast filter, primarily for use with black and white film, that strongly darkens skies, reduces blues, and increases overall contrast. It is also suitable for some infrared and false color photography and helps to cut atmospheric haze. There is an approximate 3-4x filter factor with this filter, requiring an increase of 1.5 to 2 stops for normal exposure.

The front and rear surfaces of the filter both feature a single anti-reflection coating. Each coating helps to increase light transmission by reducing reflections, scattered light, and ghosting. Additionally, they offer protection to the filter substrate while helping to keep the glass clean for longer than uncoated glass.

This Heliopan filter is constructed from Schott glass for increased optical clarity and color fidelity. It features a brass filter ring for durability as well as jamming prevention.

#12 Filter for Enhanced B&W Contrast 3-4x Filter Factor, +1.5-2 Stops Bay 2 Front Filter Mount Front and Rear Coating Schott Glass Construction Brass Filter Ring

Parameters
Filter Type	Black & White Contrast #12 Deep Yellow
Size	Bay 2 Bayonet
Front Accessory Thread / Bayonet	Bay 2
Filter Material	Glass
Ring Material	Brass
Packaging Info
Package Weight	0.1 lb
Box Dimensions (LxWxH)	3.3 x 2.7 x 0.6"

Dark medium yellow contrast filter for black and white film strongly darkens skies and blue tones, cuts through haze, and increases overall contrast.

Can be used for infrared and false color photography.

Single coatings on both the front and rear offer protection to the glass and help to improve light transmission and image quality.

Constructed from Schott glass for optical clarity.

Brass filter ring helps to prevent jamming and provides additional strength.

Dual mounts with Bay 2 front filter mount permits combining with other filters.

Related Questions and Answers

Q: 1. What is the range of filter diameters available goth the Series 7 & 8 filters?

A: I'm not sure I understand the question, can you rephrase?

Q: 2. All of my filters are for 1.25 mm . My camera is a Canon T3 Rebel . Will this filter fit in my lenses (1.25 mm) or on my camera?

A: The Heliopan 30mm RG 1000 Infrared Filter will fit a lens with a 30mm diameter front

Q: 3. These posts are old. Is it compatible with OS 12.6.3?

A: Unfortunately, according to the manufacturer's website the Evoluent VerticalMouse D is not compatible with Mac OS 10.5 and newer.

Q: 4. How soft is this lead? #2 #5?

A: The Rite in the Rain Mechanical Pencil Lead Refill is 1.3mm.

Q: 5. Is this compatible with a Synology DS1019+?

A: The Synology DX1215II is not listed as compatible with the DS1019+. The recommended expansion unit for this NAS is the Synology DX517.

Q: 6. Will this hold a softie windscreen in addition to the mic?

A: The Alfa Case is designed to accommodate mic only.

Q: 7. What additional features are found in the Series 8 filters when compared to those of Series 7?

A: Series 7 or Series 8 simply refers to size only.

Q: 8. Is it possible to use 2 of these filters on both the taking and the viewing lens of a Rolleiflex 2.8F to protect both lenses at the same time?

A: No, unfortunately the Rolleiflex only allows filters to be used on the shooting lens.

Q: 9. How is the 'protection' capability of this lens, if I'm looking to replace my protection/UV filters with this one? And does it have 8 coatings, or one on each side? I've heard conflicting descriptions.

A: The filter has one coating per side to help with reflections and protection of the glass.

Q: 10. Where can I find the rack rails for this device?

A: You can use the Synology Sliding Rail Kit BH #SYRKS02.

Nathanael	23/09/2024
The new D series VerticalMouse comes in three sizes (S, M, L), and the M fits my hand well. Evoluent wins out over other vertical mice I've tried, at least in my book. The only snag is the Evoluent software got hung up on my Mac Pro running OS 14.6. After deleting the scattered bits of the app, I'm simply using the standard button functions that the Mac OS allows rather than being able to assign different functions to the many different buttons and such. (Another option is USB Overdrive, but I haven't tried it yet on this particular mouse.) Even with the software snag, the Evoluent VerticalMouse D rocks. And yes, it really does help keep your wrist healthy by keeping it in a far more natural orientation. Highly recommended. 5

Filipe	08/04/2024
We keyboard warriors and office drones often find many things to complain about, like lag, screens to small, not enough ram but I've nothing to complain about when it comes to this mouse other than 35 years of adjustment to the new style. I never noticed how much my wrist actually hurt after the 10-12 hours a day I put into using a mouse and then age caught up with me. And while I may never be able to play counterstrike with this mouse, because I'm old and don't want to change that part of me, the majority of my work day is using this new mouse. My arm pain and soreness has been reduced by at least 90%(does nothing for my eyes or my hunched back). It does require a bit of learning curve and yes, I do unintentionally whack it from time to time because of it's height but I would recommend this to any desktop worker and feel like this type of model should be put in all schools. 5