What type of lens to use? Photography Type Best Lens Type to Use Lens Recommendation Landscape Wide-angle lens Canon EF-S 10mm-22mm f/3.5-4.5 USM Wedding Prime lens Sigma 50mm f/1.4 DG HSM ART Sports Prime lens Canon EF 400mm f/2.8L IS … Continue reading →

And it’s not just DSLRs. Something like the mirrorless Fujifilm X100s is still as good as its newer siblings, for most people. Generally, digital cameras age faster than film—new features and better sensors mean “old” models are obsolete much faster … Continue reading →

Specific Staining: For the purpose of double staining usually Delafleld’s Haematoxylin in distilled water and Eosin in 70% alcohol are used. Procedure: The material, after thorough washing, is put in Haematoxylin for 5 minutes till it is dark or blackish … Continue reading →

Yes. For people who they are worth it for. Canons range of L lenses are all weather sealed (after a front filter is installed on some), durable, and offers very good image quality. They cost more, which many beginners think … Continue reading →

For cameras, dynamic range is what determines how much detail one can capture within an image. It is measured in f/stops or t/stops. The wider the range in stops, the greater the range. A high dynamic range typically means that … Continue reading →

The Canon flash attaches directly to the Sony A7R III’s hotshoe without any issues. You’ll notice that not all of the contacts line up, which is probably why you’ll run into your first issue: There is no ETTL mode available … Continue reading →

malfunction. Err 20. Description: A malfunction with the mechanical mechanism has been detected. Resolution: Turn the power off, then remove and re-install the battery. Then turn the power on again. This is direct from Canon. How do I fix Error … Continue reading →

Automatic maximum aperture indexing. In 1977 Nikon introduced a new system for coupling the lens to the camera’s exposure system. This new coupling system was called Automatic maximum aperture indexing or AI for short. What is the difference between AI … Continue reading →

What do the buttons on my camera do? Lock buttons – These buttons are used to lock settings such as exposure, aperture, shutter speed and focus when held down. 7. Control dials – These dials are used for altering key … Continue reading →

lens. –a narrowed filter through which to examine your topic/issue. What are lenses and perspectives? Lenses and Perspectives ​Lens: Filter through which an issue or topic is considered or examined. Perspective: A point of view conveyed through an argument. What … Continue reading →

Magnification: Your microscope has 4 objective lenses: Scanning (4x), Low (10x), High (40x), and Oil Immersion (100x). What are the 4 objective lenses on a microscope? Objective Lenses: Usually you will find 3 or 4 objective lenses on a microscope. … Continue reading →

Honey brown, hazel, green and grey are the best color choices for contact lenses that complement Indian skin tone. Which Colour lens is best for brown skin? If you are brown-skinned or tanned, you need bright colored contact lenses, colors … Continue reading →

Those lenses can cut, scratch, or infect your eyes. In some cases, decorative contacts can hurt your vision and even cause blindness. Despite what the package may say, nonprescription colored contact lenses are not one-size-fits-all. Ill-fitting lenses can scrape the … Continue reading →

The Sony FE 50mm f1. 8 is an affordable standard prime lens for Alpha mirrorless cameras. It delivers standard coverage on full-frame bodies making it an ideal walk-around lens, and becomes a short telephoto on APSC bodies, equivalent to 75mm, … Continue reading →

High power microscopes go up to 1000x and have a light under the specimen. The light on a high power microscope must pass through the specimen for you to see an image. You would not look at a coin with … Continue reading →