PRODUCT HIGHLIGHTS
Dual-Channel Wireless Receiver
48 Selectable UHF Channels
Broadcast-Quality Sound
Includes Two Transmitters and One Receiver
Seletable Stereo and Mono Mode
Mic and Line-in
Selectable Mute function
Easy-to-read LCD displays
Automatic LCD-locked Function
Monitoring sound by headphone output (Receiver)
More than 6 Hours Continuous Operation
Operation range can reach up to 100m(300')(without obstacle)
Two AA batteries for both transmitter and receiver
SPECIFICATIONS
SYSTEM
Oscillator Type: PLL Synthesized Control Oscillator
Carrier Frequency Range:
576.4 MHz-599.9 MHz (Transmitter: A )
568.6 MHz-592.1 MHz (Transmitter: B )
Channels : 48
Frequency Response: 40 Hz to 18 kHz (+/-3dB)
Operation Range: 100m (300')(without obstacle)
Operating Temperature: 14° F to 122° F (-10℃ to +50℃)
Storage Temperature: 14° F to 131° F (-10℃ to +55℃)
TRANSMITTER
RF output Power: ≤10 mW
Antenna: 1/4λ wire antenna
Spurious Emission: 250 nW or less
Audio input Connector: 3.5 mm mini jack
Reference Audio input Level: –60 dBV (MIC input, 0 dB attenuation)
Reference Deviation: ±5 kHz (–60 dBV, 1 kHz input)
Input Frequency Range : 20 Hz-20 KHz
Distortion: 0.5% or less
Power Supply: Two AA size batteries
Operation Time: About 6 hours
Dimensions: 208(H) × 67(W) × 29(L)mm
Weight: 80 g without batteries
RECEIVER
Antenna: 1/4λ wire antenna
Audio input Connector: 3.5mm mini jack
Signal-to-noise Ratio: 70 dB or more
Distortion: 0.5% or less
Headphone output Level: 30mW (16 Ω)
Audio output Level: –60 dBV
Power Supply: Two AA size batteries
Operation Time: About 4 hours
Dimensions: 208(H) × 67(W) × 29(L)mm
Weight: 90g without batteries
LAVALIER MICROPHONE
Transducer: Back electret Condenser
Polar Pattern: Omni-directional
Frequency Range: 35Hz ~ 18 KHz
Signal / Noise: 74dB SPL
Sensitivity: -30dB +/-3dB / 0dB=1V/Pa, 1 kHz
Connector: 3.5mm locking mini plug
Length: 1.2m (4’)
PACKAGE INCLUDES:
2 x BOYA Transmitters
1 x BOYA Receiver
1 x XLR output cable
1 x Stereo 3.5mm mini plug cable
2 x Omni-directional lavalier microphone
3 x Belt clip
1 x Shoe mount adapter
Medium Format
Medium format refers to the size of your roll of film (or if you’re talking digital, it’s the size of the camera sensor). It really just means that you are shooting on a bigger piece of film than you do with a 35mm camera. The increased size of medium format film means a much larger negative. This will give you finer details and less grain.
Choosing your Right Medium Format Camera
Twin Lens Reflex (TLRS)
TLRs use two objective lens of the same focal length. The photographic objective lens is the one that is used to take the picture. The other lens, called the view lens, is connected to the viewfinder. Most TLRs are fixed focal length, and the more expensive models may incorporate a rudimentary room function. Most TLRs use a leaf shutter system, resulting in high speeds, quiet operation and low shutter vibration. There are also close-up, wide angle and telephoto adapters for TLRs.
Some popular TLRS cameras are: Yashica MAT-124G, Rolleiflex 2.8F, Minolta Autocord and Mamiya C330
Rangefinder
Rangefinder cameras are medium format cameras with a range finder. This negates the waistline, viewing that most TLRs carry. They are also much smaller than TLRs, and allow for easier point and shoot photographs. They tend to have limited focusing ranges, and do not have lenses larger than 180mm or 200mm. Rangefinders are quieter and easier to focus in dim light. They are mostly fixed lens models, but higher range models also provide for interchangeability.
Some popular rangefinder cameras are: Fujica G690, Mamiya 6/7, Bronica RF645, Norita 66 and Pentax 67
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