Recently I'm fond me to photography and bought a reflex camera. Soon I learn I'm more interested to improve the technique and better use of the capacity of the camera, but often I run into limitations that can not afford if I do not invest in the photographic material I have. Hence to develop a small guide to choosing and objective reflex camera. In this guide I collect different links of websites where to find some help to clarify some doubts or differences between the different models of cameras or market objectives. This way I will be easier to figure out where I invest, if the camera body or lens.

Compare models of cameras and lenses for its features and price

On this website we can compare characteristics both cameras as target. It also allows comparison between compact cameras.

Comparativa Camaras Guía para elegir cámara reflex y objetivo

We can also perform comparative purposes. For example models:

  • Canon EF 24-70mm f4 L IS USM
  • Canon EF 24-105mm f4 L IS USM
  • Canon EF 24-70mm f2.8 L II USM
  • Canon 18-135mm f3.5-5.6 IS EF-S STM

Compare sizes of sensors to see if they are full frame or APS-C

Full frame vs APSC Guía para elegir cámara reflex y objetivo

With this website we can find out the size of a particular model of camera sensor. It includes models even mobile. In this way we know to distinguish which models have sensor size APS-C or Full Frame.

cameraimagesensor Guía para elegir cámara reflex y objetivo

To not go into detail, as there are many blogs specialists on this issue, saying that the sensor size limit us the range of objectives that can access, and of course in some technical aspects of our camera such as sensitivity light or depth of field. All of them is better than ye seek specialized software to get more detailed article.

This article for example Engadget Photo He explains it very well, among others.

Canon lens range

This is the official website of Canon we can see the Range Objectives they have available. In my case, I have a Canon, and this link is good for me to know what goals you currently offering this brand and know in detail their characteristics from the point of view of the manufacturer are.

Gama Objetivos Canon Guía para elegir cámara reflex y objetivo

Wizard know what suits us best goal

Canon on this website we can make use of a guided assistant where we will indicate what use we make our camera, and depending on the needs that we will introduce tell us that goals serve us. Then we can make comparisons between the results obtained to see the differences between the two:

Canon Asistente Guiado Guía para elegir cámara reflex y objetivo

Analyzing Reviews of cameras and lenses

On this website we can see reviews of camera and lenses, as well as to see which targets are consistent with our camera and have been tested and tested it.

DXOmark Guía para elegir cámara reflex y objetivo

Meaning of the letters in the objectives

This web describes (in English) the meaning of the letters appearing in the objectives Canon.

In short, we must know:

IS: Image stabilizer for the pictures do not blur because of having bad pulse.

L: Indicates the Luxury version of Canon or "deluxe" version as I would say. It is clearly identified by wearing a red ring. Normally these goals are to be used on a full frame camera, although compatible with APS-C cameras but not vice versa.

Canon 24 70 Guía para elegir cámara reflex y objetivo

USM: Together with the L should come acronym USM. Usually they go in pairs. It indicates that it has silent ultrasonic motor. Which improves the shutter speed and lens runs may own.

STM: Failure to bring the L and put STM instead of USM, is when it comes to the standard version of Canon lenses. It is clearly identified by wearing a silver ring.

Canon 18 55 Guía para elegir cámara reflex y objetivo

other: It can take other acronyms such as EF, EF-S or Macro already indicate the type of target in question. If angle, telephoto, Macro, etc.

For purposes TamronThe equivalence is as follows:

  • VC: Image Stabilizer
  • USD: Ultrasonic Motor
  • SP: Super Performance
  • Gave: Suitable for full frame cameras but can be compatible with APS-C cameras
  • di II: Exclusively for APS-C cameras

interesting goals I've looked at some point

The fixed 50mm lens: Special for portrait photos. It has an opening large enough plot and collects more light than the goal that brings us our default camera. With this goal will not need to increase the ISO too when you have problems with light.

The objective canon 24-70: I'm looking at this goal because it has a macro mode that can serve me to shoot where I require detail of little things. At the same time I would aim "off-road" when I realize pictures of landscapes or daily. There are two versions of this objective, with an aperture of f / 2.8 or f / 4. According to our budget either choice are always good if we use it for personal use.


  • Canon 18-135 mm / F 3.5 to 5.6 EF-S IS STM
  • Canon 24-70mm f / 4 L IS USM EF
  • Canon EF 24-105mm f / 3.5-5.6 IS STM
  • Canon EF 24-105mm f / 4.0L IS USM
  • A09E Tamron SP AF 28-75mm F / 2.8
  • A007E Tamron SP 24-70mm F / 2.8 Di VC USD



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