Products

Isolates the 393.3nm Calcium-K emission line for high-contrast solar imaging Ultra-narrow 3nm bandpass designed to maximize imaging contrast of su...

5Å (0.5nm) Ultra-Narrow Bandpass Filter Centered on the 393.3nm Calcium II K-Line 12mm Clear Aperture Refractors up to 100mm Aperture Without Extr...

Dualband design passes both H-alpha (656.3nm) and CaK/CaH (393nm) wavelengths Wide 25nm FWHM bandpass with over 90% peak transmission in both band...

Passes Ha (656.3nm), CaK (393.3nm), and CaH (396.8nm) wavelengths Without extra light reduction, for refractors up to 100mm aperture only Comes wi...

Passes Ha (656.3nm), CaK (393.3nm), and CaH (396.8nm) wavelengths Without extra light reduction, for refractors up to 100mm aperture only Comes wi...

Enhanced Transmission for Superior Signal-to-Noise Ratio Anti-Reflection Coating to Reduce Halo Effect Optimized for Fast Optics up to f/2 Desc...

Designed for imaging the ultraviolet cloud structures of Venus and Jupiter Average transmission greater than 80% in the target UV bandpass Blocks ...

APM 3.7" Rack and Pinion Deluxe FocuserThe new 3,7" focuser is a Rack and Pinion type, with 1:10 focusing. It remains rigid under high loads making...

APM Image Master Mini Guiding Scope 50 mm - Deluxe Finder ScopeThe compact lightweight mini Telescope - perfect for guiding, searching or spottingT...

APM 2 inch star diagonal mirror with 99% di-electric coating with fast-lockThe diagonal mirror is produced by APM-Telescopes with highest qualityOp...

Illuminator for reticle eyepiecesModelilluminated for Reticle Eyepieces

APM MS 11 x 70 Magnesium ED APO Binocular with Nitrogen FillA good pair of 11 x 70 binoculars can be an amateur astronomer´s best friend. Step outs...

Phototripodadapter for BinocularsSolid All-Metal Binocular Adaptor for Camera TripodsThis adapter is suitable for nearly all binoculars offering th...

Transforms Askar 103APO to an f/4.08, 420.24mm focal length system Quadruplet optical design provides field flattening for full-frame sensors Stan...

0.75x Reduction Factor Transforms Askar 71F to f/5.2 New Focal Length: 369mm Standard 55mm Back Focus Triplet Optical Design Description FAQ Sp...

0.76x reduction factor specifically for the Askar 80PHQ Reduces focal ratio from f/7.5 to a faster f/5.7 Creates a new focal length of 456mm Gener...

0.7x Focal Reduction Factor 44mm Full-Frame Image Circle Maintains a Standard 55mm Backfocus 3-Element Air-Spaced Design with ED Glass Optimized f...

Reduces telescope focal ratio to a faster f/5.44 Shortens 103APO focal length to 560.32mm for wider fields Triplet optical design provides field f...

Reduces Askar 120APO to a fast f/5.6 focal ratio Shortens focal length to 672mm for wider fields of view Triplet optical design provides field fla...

Reduces 140APO Focal Ratio to f/5.6 Shortens 140APO Focal Length to 784mm Standard 55mm Back Focus Requirement Triplet Optical Design with Field F...

103mm Aperture Triplet Air-Spaced APO Objective 700.4mm Focal Length f/6.8 Native Focal Ratio Includes One ED Glass Element for Superb Color Corre...

107mm Aperture Quadruplet APO Optical Design 749mm Focal Length at f/7 44mm Corrected Image Circle for Full-Frame Sensors Integrated Field Flatten...

Reduces Telescope Focal Ratio to f/5.1 Creates a 566mm Focal Length Imaging System Triplet Optical Design for Field Flattening Provides Standard 5...

111mm Aperture 766mm Focal Length (f/6.9) Quadruplet Air-Spaced APO Design with ED Glass 44mm Corrected Image Circle Integrated Field Flattener Ne...