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How to remove it from the camera lens
On the side of the larger part which connects to your camera,there is a silver button.Please pull that button away from the camera.Then you can remove it.
Can be connected to 1.25 inch eyepiece
The SV149 AF camera lens adapter with eyepiece interface for all standard 1.25inch telescopes eyepiece.
All-metal materials
The SV149 camera lens adapter is made all-metal materials; It has a long service life.
Brass eye ring
The brass eye ring is fixed at the eyepiece interface to prevent falling off and scratch.
Anders J Nereim
Reviewed in the United States on September 5, 2024
works great, better than most, and I've had a few others.
Olbensen
Reviewed in the United States on September 1, 2024
Perfect way to create a guide camera out of a lens.
DMCDD
Reviewed in the United States on June 6, 2024
It works, but you have to view the world upside down. Not very practical for our uses.
KC
Reviewed in the United States on February 1, 2023
I have been searching for such adapter for a long time. What a fun! With my Nikon 80-200mm, 2X extender, and a 3X Barlow, I turned a 200mm lens into 1,200mm. Yes, it is a stretch from an optical quality perspective. But still doable.
Frank N
Reviewed in the United States on March 31, 2022
I took a chance that it may allow me to use a 45 deg. erecting prism to allow for terrestrial use. It does not work. this is because the erecting prism adds too much path length putting focal point of the virtual image almost out of reach of the eyepeice.using the erecting prism and a 1.25" eyepeice only works only with objects that are within a couple feet of the lens because the erecting prism is acting as an extension tube. Removing parts from the SVBony and the erecting prism allows the eyepiece to get a bit closer Nikkor lens and max focal distance with lens set to infinity ends up at ~ 4 feet. OK, for macro viewing bugs.SV149 works well (as advertised) with just eyepieces only. It inverts the image which is fine for astronomical use. I tried Televue 7mm and 25mm eyepieces alone with a 200mm F4 Nikkor telephoto , a 80-200 mm F2.8 Nikkor zoom and a legacy Nikkor 50mm F 1.4. Razor sharp image quality on the tele lenses was but image is inverted. Understandably a bit soft on F1.4 because it is soft wide open. I will try to find an inverting prism solution with less optical path to see if I can make it work.In comparison, Nikon has a 10X only solution that is non inverting because in contains a small erecting prism. I think the key to the Nikon design is that the eyepiece is a super shallow (simple) design and the inverting prism is very small in aperture. This allows the prism to have very short optical path length The downside of Nikon design is that erecting prism aperture limits the aperture of the system to ~F3.5.The SV Bony does restrict aperture to the 1.25" diameter of eyepiece tube. I could not estimate the aperture limit because my fastest lens is NIKKOR 50mm F1.4 . Agreed that a 50mm lens is not likely the lens that will be used with the SV149 but it let me explore the aperture limits of the SV149. My Televue 24mm eyepiece was tested and found to have an input aperture that is likely slightly wider than camera lens (F1.4) as it did not change the visible aperture when inserted into the SV149.The SV149 will not restrict aperture with lenses as wide as F1.4 . I estimate that is is good as wide as F1.2. Keep in mind that either the eyepiece or the camera lens will restrict F number of the system before the SV149 does. the restrictions are not cumulative. the dominant restriction defines the aperture.Aperture restriction was quantified by looking backward into the objective of the Nikkor lens from ~ 1m away with a bright background at the eyepiece to backlight the internal aperture. .
Customer
Reviewed in the United States on April 1, 2022
I bought this for SV305Pro and Nikon 55-200 lens. Unfortunately, it was not focused at all. I think this product is just modified from Canon model. So, flange back is not correct for Nikon lens. I'm using this product without naming cap. It helps to get focused.
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