lens – What are the goals to consider when upgrading the Tamron 70-300mm Di LD Tamron macro for

I'm looking to upgrade to a better telephoto lens that can be mounted on a Canon (APS-C & FF).

I currently have a cheap Tamron 70-300mm Di LD Macro which, for the price, has pleasantly surprised me with an entry-level goal. However, I use the manual focus exclusively on this lens and the sharpness is poor at high focal lengths if the light / tripod mode is not available.

I am looking for a replacement product ideally less than ~ £ 600 (ready to buy used lenses). The following characteristics are important:

  • Fast autofocus
  • Sharpness at higher focal lengths
  • Ideally, I would still like to be able to reach 300mm (I know that there are quite a few 200mm lenses)

Options I'm aware of so far:

  • Tamron SP AF 70-300mm f / 4.0-5.6 Di VC USD
  • Canon EF 75-300mm f / 4-5.6 III USM
  • Canon EF 70-300MM f / 4-5.6 IS II USM
  • Canon EF 70-200mm f / 4 USM

I am interested in other options available and what users recommend here is the best.

my goals for my Canon Rebel XTi will they work on a new Canon EOS Rebel T7i

I want to upgrade my old Canon EOS Rebel XTI to a Canon EOS Rebel T7i. Do my existing goals work on the T7i?

Google Analytics: Matching Settings for Goals Using the Regular Expression Option

I have two goals in Google Analytics: a subscription order and a one-time order. Both go the same way. Using the regular expression option in the drop-down menu, how do I match the following?

Single order (numbers and random letters are variable):


Subscription (numbers and random letters are variable):


olympus – What are the best goals for street photography?

I am interested in street photography. So I'm looking for something portable and I wonder if there is a difference in relative weight between the two objectives.

It's really a matter of preference. On occasion, I hike with a Pentax 645N. At the time, shooters used things like a Graflex. So, if something is "portable" or not, it's not something that someone can decide for you.

As for the differences in the lens, the 17mm is 120g while the zoom (if I look good) is 91g. A difference of 29 g equals about 1 ounce, or a single slice of bread. If it's the drip that makes yours overflow … well, remove something from your bag and worry less about it.

I also like doing black and white photos and I sometimes need to zoom in and cut them later. I am therefore looking for a solution that allows me to preserve the sharpness as much as possible.

"Make black and white" and "zoom and cut" (also called "crop") have nothing to do with each other. All digital images will become unwanted if you trim and twiddle back at one time. The only thing you can really do is crop and not interpolate but limit yourself to the resolution you have now. In today's high-resolution sensors, this is generally enough, but you have to wonder if the lens is able to solve these small details. This varies with each camera, lens and camera + lens combo.

Again – this is something not to worry about. If you reduce your shots too much, you need to buy a longer lens. Period.

Another requirement is to be able to focus quickly, because I capture moving subjects: I wonder if the choice of lenses makes the difference.

There is an old street shooter who says, "F / 8 and be here." The shooters fixed the lens at a preconceived distance, the camera at f / 8 and the depth of field occupied the rest. Sometimes the hyperfocal distance was used. It just allows you to aim and take a picture.

Even with fast autofocus systems, this method remains very valuable. Why do I report it? Just to show you that the quick focus is as much an operator skill as a camera feature.

Finally, is there a significant difference in their market value?

Of course there is. The premium seems to be about $ 150 more than the zoom. Why is it important? The market value does not affect the images taken. One of the most used lenses in the world is the Canon 50mm f / 1.8 – and it's brand new at $ 125.

What is the best option between the two lenses?

Simple really: whatever you choose.

Your questions indicate that you are very new in this game. I can understand the pressure of a first lens and to be honest, there are many advantages and disadvantages for one or the other of these. choice.

You will divide the photographic community in half on a choice between a zoom and a premium and you will hear both opinions. The best thing to do is to try them yourself. Renting the camera and both lenses is the best option to take pictures with both, see and feel the differences, then make the best choice for you.

try to reach your goals in a concrete way – Discussions & Help

Each forex trader can have convincing goals that he always tends to accomplish here. But with the main premise of achieving the goals, a trader can not clearly articulate his aspiration to achieve his goals. A trader must constantly work to put in place a real business plan to achieve his business objectives in accordance with his knowledge and skills. Even a trader should work at a reliable level to exploit his funds appropriately here.



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google analytics – Total goals and separate goals do not add up

I have created four goals. The total number of goals completed is 5,889. But on his right, the fourth are separated: goal 4 is 343, goal 5 is 2008, goal 6 is 201 and goal 7 is 40. It would have an additional result Objectives 1, 2 and 3 are inactive. Why does it make sense the sum?

Scope of achievement of Google Analytics goals

You have trouble finding the answer to this query, but is a Google Analytics goal conversion scope (URL destination) set on the hit, session, or user?

that is, if this was within the reach of the user and that a user clicked 5 times on the same URL, would the conversion of the goal be 5 for the user or 1?

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Conversion goals in Google Analytics

I have 6 products, each product has a separate application form (a different URL), but the "Thank you for your request" page only contains one for all application forms.
I put in place lens with funnel / product-1-request-form (required) and / thank you for application and other objective with funnel / product-2-request-form (required) and / thank you for application but still Quelqu & # 39 an email sent an app, Google Analytics counts this goal for both product goals.
How to set goals for which Google Analytics has separate goals for products 1 and 2?