## macro: how can I calculate what will be the effect of an extension tube?

I think there are some formulas that you can use. For the Matt Grum point, I haven't tested them with zoom lenses, and to my knowledge they only apply to premium lenses (fixed focal length). It didn't specifically specify zoom lenses, so …

The easiest way to calculate the magnification of a lens is through the following formula:

``````  Magnification = TotalExtension / FocalLength
M = TE / F
``````

To calculate magnification with an extension tube, you must know the total extension … that is, the extension provided by the lens itself, as well as that provided by the extension tube. Most lens statistics these days include intrinsic magnification. If we take the Canon 50mm f / 1.8 lens, the intrinsic magnification is 0.15x. We can solve the lenses built in extension as follows:

``````   0.15 = TE / 50
TE = 50 * 0.15
TE = 7.5mm
``````

The extension with additional extension can now be calculated as follows:

``````  Magnification = (IntrinsicExtension + TubeExtension) / FocalLength
M = IE + TE / F
``````

If we assume an additional 25mm extension through an extension tube:

``````  M = 7.5mm + 25mm / 50mm
M = 32.5mm / 50mm
M = 0.65x
``````

A fairly simple formula that allows us to calculate magnification quite easily, assuming you know the intrinsic magnification of the lens (or its intrinsic extension). If we assume that the wonderful 50mm lens is the lens you are stretching, to create a 1: 1 magnification macro, you would need a 50mm extension. The problem here is that if you add too much extension, the world plane that is in focus (the virtual image) could end inside The lens itself. Furthermore, this assumes a "simple" lens, one with well-defined and well-known characteristics (ie, a single element single lens).

In a real-world setting, it is unlikely to have a clear understanding of the particular characteristics of the lenses. With internally focused lenses, or zoom lenses, the above simple formula is insufficient to allow you to calculate exactly what your minimum focus and magnification distance may be for any lens, focal length, and magnification. There are too many variables, most of which are probably unknown, to calculate a meaningful value.

## How do i make a channel name on your tube not my first and last name

How do I change the name of my YouTube channel?

## Sale – HoneyTits.com – Tube site with blog

Hello guys,

I am putting HoneyTits.com up for sale. It is a fully functional tube site with:
– more than 24,000 embedded videos (I chose many of them manually to ensure the site had high quality content)
– 100 photo albums
– 60 flash games for adults
-> Flash update is required to enable them.
– Blog
-> A fully functional separate blog attached to the site to make blog posts easier to add / manage
– 12 content categories
-> To classify videos and photo albums

Why are you selling this site?

One of my other companies is taking off and I just don't have time to promote / grow this site, but a lot of effort went into creating this site including selecting videos to insert to ensure high quality content.

How is it monetized?
Affiliate Deals: The site allows you to place ads on top, side, bottom, and before and after videos.

Does this site come with social media accounts?
No

How long does this site take to run?
The site is fully functional, so nothing needs to be done to run it. You just need to put your affiliate links and promote it.

What challenges are there to running this site?
None. I have had the website for over 4 years and practically solved all the challenges I encountered.

## Looking for adult tube editors

I have advertisers waiting for adult preroll announcements at CPM. Daily payments!

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features:
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## Your ultimate guide to Tube Porn websites. The | Proxies123.com

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## tracing: why does Tube treat this list of triplicate machine numbers differently from Line?

I have a set of data that `Line` enjoy quite well, however, `Tube` It seems to throw a tantrum when I deliver the same data set. The data:

``````data = {{-1214.2199935658107`,-848.2705321806565`,-0.00001416666666666664`},{-1244.2463057872262`,-804.5024679750907`,-0.000013333333333333296`},{-1272.6743663132045`,-759.6590618571543`,-0.000012499999999999979`},{-1299.4664556851817`,-713.7981785755134`,-0.000011666666666666634`},{-1324.5865758011587`,-666.978491137754`,-0.000010833333333333317`},{-1348.0004016604767`,-619.2595928877795`,-9.999999999999972`*^-6},{-1369.6752736128424`,-570.7021396907099`,-9.166666666666655`*^-6},{-1389.5802339318311`,-521.3680065458933`,-8.33333333333331`*^-6},{-1407.6861084082525`,-471.32044184944846`,-7.4999999999999655`*^-6},{-1423.9656304860086`,-420.62420257475856`,-6.666666666666648`*^-6},{-1438.3936024494813`,-369.34565482908965`,-5.8333333333333306`*^-6},{-1450.9470855141483`,-317.5528264957635`,-4.999999999999959`*^-6},{-1461.6056085442237`,-265.31540183164884`,-4.1666666666666415`*^-6},{-1470.3513836617653`,-212.70465174468688`,-3.333333333333324`*^-6},{-1477.169516316059`,-159.79329776504858`,-2.4999999999999523`*^-6},{-1482.0481974956165`,-106.65531215558806`,-1.666666666666635`*^-6},{-1484.9788666805996`,-53.3656608828774`,-8.333333333333174`*^-7},{-1485.9563357913094`,-1.0921533706287417`*^-11,0.`},{-1484.9788666806012`,53.36566088285824`,8.333333333333717`*^-7},{-1482.0481974956178`,106.6553121555689`,1.6666666666666891`*^-6},{-1477.1695163160618`,159.79329776502965`,2.5000000000000066`*^-6},{-1470.351383661767`,212.70465174466793`,3.3333333333333782`*^-6},{-1461.6056085442272`,265.3154018316305`,4.166666666666696`*^-6},{-1450.9470855141521`,317.55282649574525`,5.000000000000013`*^-6},{-1438.3936024494853`,369.3456548290715`,5.833333333333385`*^-6},{-1423.9656304860139`,420.62420257474065`,6.666666666666702`*^-6},{-1407.6861084082593`,471.320441849431`,7.50000000000002`*^-6},{-1389.5802339318382`,521.3680065458755`,8.333333333333337`*^-6},{-1369.67527361285`,570.7021396906931`,9.166666666666709`*^-6},{-1348.0004016604855`,619.2595928877626`,0.000010000000000000026`},{-1324.58657580117`,666.9784911377373`,0.000010833333333333344`},{-1299.4664556851928`,713.7981785754989`,0.000011666666666666715`}};
``````

You enter in:

``````Grid[{{Graphics3D[{
{Darker[Green, 2/3], Thickness[0.01],

}, AlignmentPoint -> Center, AspectRatio -> Automatic,
AutomaticImageSize -> False, Axes -> False, AxesEdge -> None,
AxesLabel -> None, AxesOrigin -> {1650.`, -1650.`, -0.00025`},
AxesStyle -> {}, Background -> None,
BaselinePosition -> Automatic, BaseStyle -> {}, Boxed -> False,
BoxRatios -> {3.2`, 3.2`, 6.5`}, BoxStyle -> {},
ClipPlanes -> None, ClipPlanesStyle -> Automatic,
ColorOutput -> Automatic, ContentSelectable -> Automatic,
ControllerLinking -> Automatic, ControllerMethod -> Automatic,
ControllerPath -> Automatic, CoordinatesToolOptions -> Automatic,
DisplayFunction -> Identity, Epilog -> {}, FaceGrids -> None,
FaceGridsStyle -> {}, FormatType -> TraditionalForm,
ImageMargins -> 0.`, ImagePadding -> All, ImageSize -> 500.`,
ImageSizeRaw -> Automatic, LabelStyle -> {},
Lighting -> Automatic, Method -> Automatic, PlotLabel -> None,
PlotRange -> {{-2475.`,
1815.0000000000002`}, {-1815.0000000000002`,
2475.`}, {-0.00032500000000000004`, 0.00032500000000000004`}},
PlotRangePadding -> Automatic, PlotRegion -> Automatic,
PreserveImageOptions -> Automatic, Prolog -> {},
RotationAction -> "Fit", SphericalRegion -> True, Ticks -> None,
TicksStyle -> {}, TouchscreenAutoZoom -> False,
ViewAngle -> 0.33632810973764027`,
ViewCenter -> {0.5`, 0.5`, 0.5`}, ViewMatrix -> Automatic,
ViewPoint -> {-1.9461497767487252`, 1.477527579217831`,
2.340814665690469`}, ViewProjection -> Automatic,
ViewRange -> All, ViewVector -> Automatic,
ViewVertical -> {0.23556268765910476`, -0.24706981260320413`,
0.9399291079028442`}], Graphics3D[{
{Darker[Green, 2/3], Thickness[0.01],

}, AlignmentPoint -> Center, AspectRatio -> Automatic,
AutomaticImageSize -> False, Axes -> False, AxesEdge -> None,
AxesLabel -> None, AxesOrigin -> {1650.`, -1650.`, -0.00025`},
AxesStyle -> {}, Background -> None,
BaselinePosition -> Automatic, BaseStyle -> {}, Boxed -> False,
BoxRatios -> {3.2`, 3.2`, 6.5`}, BoxStyle -> {},
ClipPlanes -> None, ClipPlanesStyle -> Automatic,
ColorOutput -> Automatic, ContentSelectable -> Automatic,
ControllerLinking -> Automatic, ControllerMethod -> Automatic,
ControllerPath -> Automatic, CoordinatesToolOptions -> Automatic,
DisplayFunction -> Identity, Epilog -> {}, FaceGrids -> None,
FaceGridsStyle -> {}, FormatType -> TraditionalForm,
ImageMargins -> 0.`, ImagePadding -> All, ImageSize -> 500.`,
ImageSizeRaw -> Automatic, LabelStyle -> {},
Lighting -> Automatic, Method -> Automatic, PlotLabel -> None,
PlotRange -> {{-2475.`,
1815.0000000000002`}, {-1815.0000000000002`,
2475.`}, {-0.00032500000000000004`, 0.00032500000000000004`}},
PlotRangePadding -> Automatic, PlotRegion -> Automatic,
PreserveImageOptions -> Automatic, Prolog -> {},
RotationAction -> "Fit", SphericalRegion -> True, Ticks -> None,
TicksStyle -> {}, TouchscreenAutoZoom -> False,
ViewAngle -> 0.33632810973764027`,
ViewCenter -> {0.5`, 0.5`, 0.5`}, ViewMatrix -> Automatic,
ViewPoint -> {-1.9461497767487252`, 1.477527579217831`,
2.340814665690469`}, ViewProjection -> Automatic,
ViewRange -> All, ViewVector -> Automatic,
ViewVertical -> {0.23556268765910476`, -0.24706981260320413`,
0.9399291079028442`}]}}]
``````

What gives:

The scaling does nothing to solve this problem.

Examples of adaptive transmission protocols such as HLS (.m3u8) and MPEGTS (.ts) and DASH is the abbreviation for Dynamic Adaptive Streaming over HTTP (.mpd)

I find this current trend very jarring, when all I want to do is watch a video in a traditional browser … progressive downloading is just the simplest and easiest to use protocol, and easiest to download to watch offline. And if something isn't broken, don't fix it … So I don't understand.

I find this current trend very discordant, when all I want to do is watch a video in a traditional browser … progressive downloading is the simplest and easiest to use protocol. So I do not understand ..

## Lifetime video redirection to your URL on a high quality adult tube site with 180k PV / day

Summary traffic is 2.46 million sessions per month (82 thousand sessions per day or 898 million sessions per year). This domain is over 6 years old. As of January 1, 2020, the Alexa rank is 39xxx. 178k page views per day.

Session duration: 02:22 minutes; 2.12 page views per session, and bounce rate – 60.94%

86.2 percent of visits to this site come from a search engine, while 8.1% comes directly and 5.6% through a hyperlink somewhere on the Internet.

Most sessions start from Italy – 89.4%, France – 1.7%, United States of America – 1.7%, Germany – 1.7%, Belgium – 0.7%

I will publish the thumbnail of your video in 2 categories where they will remain throughout the life of the site. You should give me an ITALIAN translation of the name and description of your thumb. The relevant video offers for the thumb work best. Once the user CLICK on the thumbnail, it will be REDIRECTED to its offer page. The thumbnail you provide must be relevant for each category chosen.

I cannot guarantee the amount of TRAFFIC you will receive and I cannot provide you with an accurate estimate. From 100 unique to 4000 unique per month for life!

All this for the special introductory price of \$ 35 subject to change soon.

Contact me for the URL.