MrStarGuy Adjustable Objective White Light Solar Filter (66-94mm OD)

MrStarGuy Adjustable Objective White Light Solar Filter (66-94mm OD)

MrStarGuy Adjustable Objective White Light Solar Filter (66-94mm OD)

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Product Highlights

  • Certified for Safe Direct Solar Viewing
  • Adapt Nighttime Scopes for Solar Viewing
  • Mount on Front of Camera Lens
  • Filters 99.99% Intense White Light
  • Blocks 100% UV and IR Radiation
  • Provides Neutral Color and High Contrast
  • For 66-94mm Outside Diameter OTAs
  • Anodized Aluminum Frame
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SAFETY FIRST: Observing the Sun without the proper protection may result in serious personal injury, including permanent eye damage and blindness, and/or damage to equipment. Never point an optic at the sun without an approved solar filter on the front of the optic. For direct solar viewing, viewing the sun through an optic, or when using cameras with an optical viewfinder, ensure your filter is ISO 12312-2 (also written as ISO 12312-2:2015) certified. Never use photographic neutral density filters for direct solar viewing, viewing the sun through an optic, or when using cameras with an optical viewfinder.

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MrStarGuy SGFT040 overview

  • 1Description

Use Mr. Star Guy's 66-94mm Adjustable Objective White Light Solar Filter to adapt your nighttime refractor telescope to safely view the sun, and on camera lenses without front filter threads or when conventional screw-on filters are unavailable. Outfitted with three thumbscrews for a secure and centered fit, this filter is designed to fit over the entire objective bell so for the correct fit simply measure the outside diameter of the bell — including hardware like retaining rings and screw heads — and choose the size that matches the measurement with some extra room. This model is made to fit objective bells measuring 66-94mm (2.598-3.7").

EN 1836:2005 + A1:2007 certified for safe direct solar viewing, the filter blocks greater than 99.99% of the intense visible white light from the sun plus 100% of harmful ultraviolet (UV) and infrared (IR) radiation. The filter is made of a durable acrylic resin that delivers high-contrast images of the Sun with a neutral color balance revealing the Sun in white, as opposed to the more common red or blue seen when viewing through other solar filters, which restricts bands of the visual spectrum and inhibits clear viewing. The filter housing is made of a lightweight and durable aluminum alloy with a scratch-resistant anodized finish.

UPC: 811971018648
In the Box
MrStarGuy Adjustable Objective White Light Solar Filter (66-94mm OD)
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    MrStarGuy SGFT040 specs

    Packaging Info
    Package Weight 0.3 lb
    Box Dimensions (LxWxH) 5.5 x 5.0 x 1.1"

    MrStarGuy SGFT040 reviews

    Adjustable Objective White Light Solar Filter (66-94mm OD) is rated 4.4 out of 5 by 16.
    Rated 5 out of 5 by from Great Value I bought this filter to use for photographing the solar eclipse. It seemed like a reasonable option to much more expensive photo filters. Given the price, I wasn't expecting great quality/construction. But I'm more than pleased, after putting it to use. One of the things I most like about this filter is adjustability for lenses of various diameters. I also appreciate not needing a separate filter holder, which allows me to quickly attach/remove the filter. In addition, it's lightweight, but well constructed. Even though the filter itself is mylar, when packed and stored safely, the filter should last a long time. Overall, this is an exceptional value.
    Date published: 2017-08-25
    Rated 4 out of 5 by from Did the job I bought this for the eclipse. The product is fine and does the job for shooting the full and partial sun. I got clear photos and even saw sun spots. However, in an eclipse situation, where you only have 150 seconds of totality, unscrewing the three screws to remove it takes valuable time and risks moving the image out of view. Next time I shoot an eclipse (in 2024) I'm going to buy a simple sheet of ISO approved solar film and tape it to the front of the lens for quick removal (Nikon has a good tutorial for that. Also, note that this is a white light filter, meaning all images of the sun are white. There are other types of filters that give a more yellowish or reddish tint.
    Date published: 2017-08-23
    Rated 5 out of 5 by from This filter made shooting the 2017 eclipse a possibility It does one thing, and it does it perfectly. I bought it for this ridiculous Opteka 650-1300mm lens to shoot the eclipse. Turns out I didn't have quite enough tripod for the heavy lens so I switched to my Canon 70-200mm lens. I had worried about this very thing so I bought this filter just in case. The filter fit both lenses (95mm and 67mm) perfectly, saving my day. I may not have an opportunity to use it again until at least 2024, but I know I have it now and won't have to worry about backorders and out-of-stock conditions like I did this time.
    Date published: 2017-08-24
    Rated 4 out of 5 by from I would buy this product again. I was a bit skeptical about using this filter. It doesn't look like much. In fact, it looks like it's a 'homemade' filter. It's essentially a film that resembles Mylar, attached to an aluminum frame, with three screws that clamp to your lens. But the product works quite well. I took over 300 images of the 2017 eclipse using this filter with my Canon lenses. I'll continue to use this filter for photographing the sun, and I'm planning on ordering a larger one for my 8 astrograph. - PJ Hamlin -
    Date published: 2017-08-27
    Rated 1 out of 5 by from not very happy with this purchase no information on use , images are only B&W nothing said that prior to purchase, very poorly made screws wont stay in ,nylon tip fell of one on first test , not the quality product I am used to buying from B&H
    Date published: 2017-08-29
    Rated 5 out of 5 by from I would buy this type of filter again. I used this filter to capture shots of the 2017 Total Eclipse. I had it screwed all the way onto my lens but seemed a little big. It stayed on but seemed a little floppy. This was my error though because I didn't know the correct OD size of my 67mm lens. But in all it worked good and I got some great shots. I just recommend getting the proper OD measurements of your lens. It will work fine if I buy a bigger lens. I highly recommend this filter.
    Date published: 2017-08-26
    Rated 4 out of 5 by from Highly effective product, could use a slight improvement. Everything about the product worked as described and as needed. I got some great eclipse photos and sunspot images and am looking forward to using it in the future. The only thing that could use some improvement is the thread fit between the thumbscrews and the collar. Not very precise. I expect continued use will result in stripping if I am not extremely careful.
    Date published: 2017-08-28
    Rated 5 out of 5 by from Worked as advertised on my 70-200 f/4 lens I just used this to photograph the 2017 total solar eclipse and it worked great. I have no real long lens so I attached it to the end of my 70-200 mm f/4 along with a tele-extender. Though this magnification is rather low, the images on a full-frame 5D iv could still be cropped to give nice sharp final images.
    Date published: 2017-08-24
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