Canon Eos
Canon Eos
What is best way to learn how to use telephoto lens on Canon EOS Digital camera?
I have a Canon EOS 350 D. Today I bought a Opteka 500 mm 8.0f lens. The instructions with the lens were not enough for an amateur photographer like me.
That;s the digital ELPH, right?
It’s actually quite simple. Don’t over complicate it. You attach the lens and use the camera’s own zoom. The lens simply magnifies the camera’s actual zoom.
Canon Eos

Canon EOS 7D Review
Canon EOS 7D 18 MP CMOS Digital SLR Camera with 3-inch LCD
Canon EOS 7D features an all-new 18.0-megapixel APS-C size CMOS sensor and Dual DIGIC 4 image processors, capturing tremendous images at up to ISO 12800 and speeds of up to 8 fps. The Canon EOS 7D has a new all cross-type 19-point AF system with improved AI Servo AF subject tracking and user-selectable AF area selection modes for sharp focus no matter the situation. The Canon EOS 7D‘s Intelligent Viewfinder, an entirely newly designed technology, provides 100% coverage and displays user-selected AF modes as well as a spot metering circle and on demand grid lines.
New iFCL Metering with 63-zone dual-layer metering system uses both focus and color information to provide accurate exposure even in difficult lighting. The Canon EOS 7D also captures Full HD video at 30p (29.97 fps), 24p (23.976 fps) and 25p with an array of manual controls, including manual exposure during movie shooting and ISO speed selection. The Canon EOS 7D features a magnesium alloy body that is dust and weather resistant and shutter durability of up to 150,000 cycles. Compatible with over 60 EF and EF-S lenses as well as with EOS System accessories, the creative opportunities–not just with stills but also with video–are beyond amazement.
Canon EOS 7D Features
- 18.0-megapixel CMOS Sensor and Dual DIGIC 4 Image Processors for high image quality and speed
- Body only; lenses sold separately
- Advanced HD movie mode with manual exposure control and selectable frame rates
- Intelligent Viewfinder with 100 percent field of view; 19-point, all cross-type AF system equipped with dual diagonal cross-type sensors
- Capture images to CF Card Type I and II, UDMA-compliant CF cards (not included)
Canon EOS 7D Details
- Brand Name: Canon
- Model: EOS 7D
- Optical Sensor Resolution: 18 MP
- Optical Sensor Technology: CMOS
- Optical Sensor Size: 14.9 x 22.3mm
- Included Flash Type: Pop-up flash
- Display Size: 3 inches
- Light Sensitivity: ISO auto (100-3200), ISO 12800, ISO 100-6400
- Image types: JPEG, RAW
- Viewfinder Type: Optical
- Width: 5.8 inches
- Depth: 2.9 inches
- Height: 4.4 inches
- Weight: 1.8 pounds
>> Compare Canon EOS 7D Price
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what is the difference between the canon eos 350d and the canon eos 7d cameras?
i am looking to upgrade my camera from a very very well used canon eos 350d. I would like to purchase the canon eos 7d but i am not sure whether all of my lenses will be compatible with the camera or not. Help me please!
You don’t need to worry about lenses, any lens that functions on the 350D will work properly on the 7D. The only thing you should be careful about is that low quality lenses that don’t show their flaws on a 350D may show up on the 7D’s higher resolution sensor.
The main differences you experience with a camera such as the 7D is the speed, efficiency and accuracy in which you can operate it. The secondary control wheel at the back allows for a much easier manipulation of settings. Your viewfinder will be considerably better too, since it’s a high quality pentaprism, rather than a pentamirror. The 7D also has a much more advanced autofocus system, it’s smarter, faster and more accurate, allowing you to track fast moving objects. In the time from the 350D to now there have been many developments to allow for higher megapixel counts without sacrificing noise, and you will find that the 7D can beat the 350D’s noise performance.
Then the 7D also has 2x D!GiC IV processors which will hurry up it’s 18MP output. Plus it’s the first Canon SLR to have built in flash commander. So all in all it is Canon’s biggest box of techology and at the price it’s pretty damned amazing.
Canon EOS 550D vs. 7D – Head to Head Comparison
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