For deep-sky astrophotography, your ISO levels should generally be set high and support your other exposure settings. For some, 800 or 1600 works in bringing out the moon and stars during long-exposure shots of dark night skies. Is higher ISO … Continue reading →

Polycarbonate plastic. Polycarbonate plastic has an index of refraction of 1.586, a specific gravity of 1.20, and is very impact resistant. This allows lenses to be thinner, lighter, and much more impact resistant than CR-39. Polycarbonate is considered the best … Continue reading →

Condenser is used to collect and focus the light from the illuminator on to the specimen. It is located under the stage often in conjunction with an iris diaphragm. Iris Diaphragm controls the amount of light reaching the specimen. It … Continue reading →

Focal lengths and lenses used by great directors S. No. Director Focal length, Lens 8 Martin Scorsese 25mm and wider, 32mm (The King of Comedy), long lenses for Raging Bull 9 Joel and Ethan Coen 27 and 32mm (Stays between … Continue reading →

Solution. AF-assist beam firing. Enables or disables the EOS-dedicated Speedlite’s AF-assist beam. ON: Enable. The external Speedlite emits the AFassist beam when necessary. What is autofocus assist beam? One camera and flash feature that helps with shooting sharp photos in … Continue reading →

Add Gram’s iodine for 1 minute- this is a mordant, or an agent that fixes the crystal violet to the bacterial cell wall. Rinse sample/slide with acetone or alcohol for ~3 seconds and rinse with a gentle stream of water. … Continue reading →

The length of decolorization is a critical step in gram staining as prolonged exposure to a decolorizing agent can remove all the stains from both types of bacteria. The final step in gram staining is to use basic fuchsin stain … Continue reading →

100x objective. The Oil immersion technique is used in order to enhance resolution. This requires a special 100x objective. Can you use immersion oil with 40x objective? d. Never turn your nosepiece back to the 40x objective when using oil … Continue reading →

Base. 14 Cards in this Set Broad bottom support of microscope; flat, lower part of the microscope that supports the rest of the instrument? Base Connects the objective lenses to the head and allows different objective lenses to be moved … Continue reading →

The L-Mount Alliance is a partnership between Leica Camera, SIGMA, Panasonic and, more recently, Leitz Cine Lenses. Its aim is to provide photographers with one unified lens mount standard. Developed by Leica Camera, the L-Mount allows photographers to combine lenses … Continue reading →

No, it’s a lens designed for mirrorless. The Canon version will be for the EF-M mount which has the same flange distance as E mount. No adapter will fit. Can you use Sony E mount lenses on Canon EF? Although … Continue reading →

Obviously the Apple dongle isn’t going to do balanced, which is basically a second amp creating an opposite inverse ground reference for double the power. Does the Apple dongle have an amp? No, it is not a portable amplifier. The … Continue reading →

Consistently a great choice for audio, the iPhone 12 Pro builds upon what worked so well for the iPhone 11 Pro. That means it has excellent internal speakers with stereo drivers for a more immersive experience. Enhanced with Dolby Atmos, … Continue reading →

You can buy generic lens hoods that will fit the filter thread size, but they also have to match the focal length/angle of view of the lens to be effective. A hood made for a 50mm lens doesn’t provide enough … Continue reading →

In short, aux cables are better at providing a superior sound quality when compared to Bluetooth. However, it’s probably not very noticeable unless you are an audiophile yourself. Is wired sound better than Bluetooth? Wired headphones receive an analog signal, … Continue reading →